#include <assert.h>
#include "config.h"
#include "misc_string.h"
#include "memory_alloc.h"
#include "error_manager.h"
#include "dbtype.h"
#include "trigger_manager.h"
#include "memory_hash.h"
#include "work_space.h"
#include "schema_manager.h"
#include "object_accessor.h"
#include "object_primitive.h"
#include "object_print.h"
#include "set_object.h"
#include "authenticate.h"
#include "db.h"
#include "parser.h"
#include "system_parameter.h"
#include "locator_cl.h"
#include "transaction_cl.h"

Macros
#define	TR_EXECUTION_ENABLED (tr_Execution_enabled == true)

#define	UNIQUE_SAVEPOINT_RENAME_TRIGGER "rENAMEtRIGGER"

#define	UNIQUE_SAVEPOINT_DROP_TRIGGER "dROPtRIGGER"

#define	UNIQUE_SAVEPOINT_CREATE_TRIGGER "cREATEtRIGGER"

#define	IS_USER_EVENT(event)

#define	IS_CLASS_EVENT(event) (!IS_USER_EVENT(event))

#define	COMPARE_TRIGGER_NAMES intl_identifier_casecmp

#define	MAX_ERROR_STRING 2048

Functions
static const char *	time_as_string (DB_TRIGGER_TIME tr_time)

static char *	tr_process_name (const char *name_string)

static TR_ACTIVITY *	make_activity (void)

static void	free_activity (TR_ACTIVITY *act)

static TR_TRIGGER *	tr_make_trigger (void)

static void	tr_clear_trigger (TR_TRIGGER *trigger)

static void	free_trigger (TR_TRIGGER *trigger)

static int	insert_trigger_list (TR_TRIGLIST *list, TR_TRIGGER trigger)

static int	merge_trigger_list (TR_TRIGLIST *list, TR_TRIGLIST more, int destructive)

static void	remove_trigger_list_element (TR_TRIGLIST *list, TR_TRIGLIST element)

static void	remove_trigger_list (TR_TRIGLIST *list, TR_TRIGGER trigger)

static void	reinsert_trigger_list (TR_TRIGLIST *list, TR_TRIGGER trigger)

static TR_DEFERRED_CONTEXT *	add_deferred_activity_context (void)

static int	add_deferred_activities (TR_TRIGLIST *triggers, MOP current)

static void	flush_deferred_activities (void)

static void	remove_deferred_activity (TR_DEFERRED_CONTEXT context, TR_TRIGLIST element)

static void	remove_deferred_context (TR_DEFERRED_CONTEXT *c)

static TR_STATE *	make_state (void)

static void	free_state (TR_STATE *state)

static DB_OBJECT *	trigger_to_object (TR_TRIGGER *trigger)

static int	object_to_trigger (DB_OBJECT object, TR_TRIGGER trigger)

static void	get_reference_names (TR_TRIGGER trigger, TR_ACTIVITY activity, const char curname, const char tempname)

static int	compile_trigger_activity (TR_TRIGGER trigger, TR_ACTIVITY activity, int with_evaluate)

static int	validate_trigger (TR_TRIGGER *trigger)

static int	register_user_trigger (DB_OBJECT *object)

static int	unregister_user_trigger (TR_TRIGGER *trigger, int rollback)

static int	get_user_trigger_objects (DB_TRIGGER_EVENT event, bool active_filter, DB_OBJLIST **trigger_list)

static void	reorder_schema_caches (TR_TRIGGER *trigger)

static int	trigger_table_add (const char name, DB_OBJECT trigger)

static int	trigger_table_find (const char name, DB_OBJECT *trigger_p)

static int	trigger_table_rename (DB_OBJECT trigger_object, const char newname)

static int	trigger_table_drop (const char *name)

static bool	check_authorization (TR_TRIGGER *trigger, bool alter_flag)

static int	find_all_triggers (bool active_filter, bool alter_filter, DB_OBJLIST **list)

static int	get_schema_trigger_objects (DB_OBJECT class_mop, const char attribute, DB_TRIGGER_EVENT event, bool active_flag, DB_OBJLIST **objlist)

static int	find_event_triggers (DB_TRIGGER_EVENT event, DB_OBJECT class_mop, const char attribute, bool active_filter, DB_OBJLIST **list)

static bool	check_target (DB_TRIGGER_EVENT event, DB_OBJECT class_mop, const char attribute)

static int	check_semantics (TR_TRIGGER *trigger)

static PT_NODE *	tr_check_correlation (PARSER_CONTEXT parser, PT_NODE node, void arg, int walk_on)

static int	tr_drop_trigger_internal (TR_TRIGGER *trigger, int rollback, bool need_savepoint)

static bool	value_as_boolean (DB_VALUE *value)

static int	signal_evaluation_error (TR_TRIGGER *trigger, int error)

static int	eval_condition (TR_TRIGGER trigger, DB_OBJECT current, DB_OBJECT temp, bool status)

static int	eval_action (TR_TRIGGER trigger, DB_OBJECT current, DB_OBJECT temp, bool reject)

static int	execute_activity (TR_TRIGGER trigger, DB_TRIGGER_TIME tr_time, DB_OBJECT current, DB_OBJECT temp, bool rejected)

static int	tr_execute_activities (TR_STATE state, DB_TRIGGER_TIME tr_time, DB_OBJECT current, DB_OBJECT *temp)

static int	run_user_triggers (DB_TRIGGER_EVENT event, DB_TRIGGER_TIME time)

static int	compare_recursion_levels (int rl_1, int rl_2)

static TR_STATE *	start_state (TR_STATE *current, const char name)

static void	tr_finish (TR_STATE *state)

static int	its_deleted (DB_OBJECT *object)

static int	map_flush_helper (const void key, void data, void *args)

static int	define_trigger_classes (void)

static TR_RECURSION_DECISION	tr_check_recursivity (OID oid, OID stack[], int stack_size, bool is_statement)

void	tr_free_trigger_list (TR_TRIGLIST *list)

TR_TRIGGER *	tr_map_trigger (DB_OBJECT *object, int fetch)

int	tr_unmap_trigger (TR_TRIGGER *trigger)

int	tr_update_user_cache (void)

TR_SCHEMA_CACHE *	tr_make_schema_cache (TR_CACHE_TYPE type, DB_OBJLIST *objects)

TR_SCHEMA_CACHE *	tr_copy_schema_cache (TR_SCHEMA_CACHE *cache, MOP filter_class)

int	tr_merge_schema_cache (TR_SCHEMA_CACHE destination, TR_SCHEMA_CACHE source)

int	tr_empty_schema_cache (TR_SCHEMA_CACHE *cache)

void	tr_free_schema_cache (TR_SCHEMA_CACHE *cache)

int	tr_add_cache_trigger (TR_SCHEMA_CACHE cache, DB_OBJECT trigger_object)

int	tr_drop_cache_trigger (TR_SCHEMA_CACHE cache, DB_OBJECT trigger_object)

int	tr_get_cache_objects (TR_SCHEMA_CACHE cache, DB_OBJLIST *list)

int	tr_validate_schema_cache (TR_SCHEMA_CACHE *cache, MOP class_mop)

int	tr_active_schema_cache (MOP class_mop, TR_SCHEMA_CACHE cache, DB_TRIGGER_EVENT event_type, bool has_event_type_triggers)

int	tr_delete_schema_cache (TR_SCHEMA_CACHE cache, DB_OBJECT class_object)

int	tr_delete_triggers_for_class (TR_SCHEMA_CACHE *cache, DB_OBJECT class_object)

DB_OBJECT *	tr_create_trigger (const char name, DB_TRIGGER_STATUS status, double priority, DB_TRIGGER_EVENT event, DB_OBJECT class_mop, const char attribute, DB_TRIGGER_TIME cond_time, const char cond_source, DB_TRIGGER_TIME action_time, DB_TRIGGER_ACTION action_type, const char action_source, const char comment)

int	tr_find_all_triggers (DB_OBJLIST **list)

DB_OBJECT *	tr_find_trigger (const char *name)

int	tr_find_event_triggers (DB_TRIGGER_EVENT event, DB_OBJECT class_mop, const char attribute, bool active, DB_OBJLIST **list)

int	tr_check_authorization (DB_OBJECT *trigger_object, int alter_flag)

int	tr_drop_trigger (DB_OBJECT *obj, bool call_from_api)

int	tr_prepare_statement (TR_STATE *state_p, DB_TRIGGER_EVENT event, DB_OBJECT class_mop, int attcount, const char **attnames)

int	tr_prepare_class (TR_STATE *state_p, TR_SCHEMA_CACHE cache, MOP class_mop, DB_TRIGGER_EVENT event)

void	tr_abort (TR_STATE *state)

int	tr_before_object (TR_STATE state, DB_OBJECT current, DB_OBJECT *temp)

int	tr_before (TR_STATE *state)

int	tr_after_object (TR_STATE state, DB_OBJECT current, DB_OBJECT *temp)

int	tr_after (TR_STATE *state)

int	tr_has_user_trigger (bool *has_user_trigger)

int	tr_check_commit_triggers (DB_TRIGGER_TIME time)

void	tr_check_rollback_triggers (DB_TRIGGER_TIME time)

void	tr_check_abort_triggers (void)

int	tr_execute_deferred_activities (DB_OBJECT trigger_object, DB_OBJECT target)

int	tr_drop_deferred_activities (DB_OBJECT trigger_object, DB_OBJECT target)

int	tr_trigger_name (DB_OBJECT trigger_object, char *name)

int	tr_trigger_status (DB_OBJECT trigger_object, DB_TRIGGER_STATUS status)

int	tr_trigger_priority (DB_OBJECT trigger_object, double priority)

int	tr_trigger_event (DB_OBJECT trigger_object, DB_TRIGGER_EVENT event)

int	tr_trigger_class (DB_OBJECT trigger_object, DB_OBJECT *class_mop_p)

int	tr_trigger_attribute (DB_OBJECT trigger_object, char *attribute)

int	tr_trigger_condition (DB_OBJECT trigger_object, char *condition)

int	tr_trigger_condition_time (DB_OBJECT trigger_object, DB_TRIGGER_TIME tr_time)

int	tr_trigger_action (DB_OBJECT trigger_object, char *action)

int	tr_trigger_action_time (DB_OBJECT trigger_object, DB_TRIGGER_TIME tr_time)

int	tr_trigger_action_type (DB_OBJECT trigger_object, DB_TRIGGER_ACTION type)

int	tr_trigger_comment (DB_OBJECT trigger_object, char *comment)

int	tr_is_trigger (DB_OBJECT trigger_object, int status)

const char *	tr_time_as_string (DB_TRIGGER_TIME time)

const char *	tr_event_as_string (DB_TRIGGER_EVENT event)

const char *	tr_status_as_string (DB_TRIGGER_STATUS status)

int	tr_rename_trigger (DB_OBJECT trigger_object, const char name, bool call_from_api)

int	tr_set_status (DB_OBJECT *trigger_object, DB_TRIGGER_STATUS status, bool call_from_api)

int	tr_set_priority (DB_OBJECT *trigger_object, double priority, bool call_from_api)

int	tr_set_comment (DB_OBJECT trigger_object, const char comment, bool call_from_api)

int	tr_get_depth (void)

int	tr_set_depth (int depth)

int	tr_get_trace (void)

int	tr_set_trace (bool trace)

void	tr_init (void)

void	tr_final (void)

void	tr_dump (FILE *fpp)

int	tr_install (void)

bool	tr_get_execution_state (void)

bool	tr_set_execution_state (bool new_state)

const char *	tr_get_class_name (void)

Variables
static const int	TR_RETURN_ERROR = -1

static const int	TR_RETURN_FALSE = 0

static const int	TR_RETURN_TRUE = 1

static const int	TR_EST_MAP_SIZE = 1024

static const char *	OBJ_REFERENCE_NAME = "obj"

static const char *	NEW_REFERENCE_NAME = "new"

static const char *	OLD_REFERENCE_NAME = "old"

static const char *	EVAL_PREFIX = "EVALUATE ( "

static const char *	EVAL_SUFFIX = " ) "

const char *	TR_CLASS_NAME = "db_trigger"

const char *	TR_ATT_NAME = "name"

const char *	TR_ATT_OWNER = "owner"

const char *	TR_ATT_EVENT = "event"

const char *	TR_ATT_STATUS = "status"

const char *	TR_ATT_PRIORITY = "priority"

const char *	TR_ATT_CLASS = "target_class"

const char *	TR_ATT_ATTRIBUTE = "target_attribute"

const char *	TR_ATT_CLASS_ATTRIBUTE = "target_class_attribute"

const char *	TR_ATT_CONDITION_TYPE = "condition_type"

const char *	TR_ATT_CONDITION_TIME = "condition_time"

const char *	TR_ATT_CONDITION = "condition"

const char *	TR_ATT_ACTION_TYPE = "action_type"

const char *	TR_ATT_ACTION_TIME = "action_time"

const char *	TR_ATT_ACTION = "action_definition"

const char *	TR_ATT_ACTION_OLD = "action"

const char *	TR_ATT_PROPERTIES = "properties"

const char *	TR_ATT_COMMENT = "comment"

int	tr_Current_depth = 0

int	tr_Maximum_depth = TR_MAX_RECURSION_LEVEL

OID	tr_Stack [TR_MAX_RECURSION_LEVEL+1]

bool	tr_Invalid_transaction = false

char	tr_Invalid_transaction_trigger [SM_MAX_IDENTIFIER_LENGTH+2]

bool	tr_Trace = true

TR_DEFERRED_CONTEXT *	tr_Deferred_activities = NULL

TR_DEFERRED_CONTEXT *	tr_Deferred_activities_tail = NULL

static int	tr_User_triggers_valid = 0

static int	tr_User_triggers_modified = 0

static TR_TRIGLIST *	tr_User_triggers = NULL

static TR_TRIGLIST *	tr_Uncommitted_triggers = NULL

static TR_SCHEMA_CACHE *	tr_Schema_caches = NULL

static bool	tr_Execution_enabled = true

static MHT_TABLE *	tr_object_map = NULL

Macro Definition Documentation

#define COMPARE_TRIGGER_NAMES intl_identifier_casecmp

Definition at line 82 of file trigger_manager.c.

Referenced by trigger_table_drop(), and trigger_table_find().

#define IS_CLASS_EVENT ( event ) (!IS_USER_EVENT(event))

Definition at line 75 of file trigger_manager.c.

Referenced by check_authorization(), and check_target().

#define IS_USER_EVENT ( event )

Value:

((event) == TR_EVENT_COMMIT || \
   (event) == TR_EVENT_ROLLBACK || \
   (event) == TR_EVENT_ABORT || \
   (event) == TR_EVENT_TIMEOUT)

Definition at line 68 of file trigger_manager.c.

#define MAX_ERROR_STRING 2048

Definition at line 86 of file trigger_manager.c.

Referenced by signal_evaluation_error().

#define TR_EXECUTION_ENABLED (tr_Execution_enabled == true)

Definition at line 53 of file trigger_manager.c.

Referenced by tr_after_object(), tr_before_object(), tr_check_abort_triggers(), tr_check_commit_triggers(), tr_check_rollback_triggers(), tr_dump(), tr_execute_deferred_activities(), tr_has_user_trigger(), and tr_prepare_class().

#define UNIQUE_SAVEPOINT_CREATE_TRIGGER "cREATEtRIGGER"

Definition at line 56 of file trigger_manager.c.

Referenced by tr_create_trigger().

#define UNIQUE_SAVEPOINT_DROP_TRIGGER "dROPtRIGGER"

Definition at line 55 of file trigger_manager.c.

Referenced by tr_drop_trigger_internal().

#define UNIQUE_SAVEPOINT_RENAME_TRIGGER "rENAMEtRIGGER"

Definition at line 54 of file trigger_manager.c.

Referenced by tr_rename_trigger().

Function Documentation

static int add_deferred_activities	(	TR_TRIGLIST *	triggers,
		MOP	current
	)

static

Definition at line 778 of file trigger_manager.c.

References add_deferred_activity_context(), assert, er_errid(), tr_deferred_context::head, tr_triglist::next, NO_ERROR, NULL, tr_triglist::prev, tr_deferred_context::tail, tr_triglist::target, and tr_Deferred_activities_tail.

Referenced by tr_after_object().

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static TR_DEFERRED_CONTEXT * add_deferred_activity_context ( void )

static

Definition at line 735 of file trigger_manager.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), tr_deferred_context::head, tr_deferred_context::next, NULL, tr_deferred_context::prev, tr_deferred_context::savepoint_id, tr_deferred_context::tail, and tr_Deferred_activities_tail.

Referenced by add_deferred_activities(), and remove_deferred_context().

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static bool check_authorization	(	TR_TRIGGER *	trigger,
		bool	alter_flag
	)

static

Definition at line 3407 of file trigger_manager.c.

References ARG_FILE_LINE, AU_ALTER, au_check_authorization(), au_is_dba_group_member(), AU_SELECT, Au_user, tr_trigger::class_mop, ER_ERROR_SEVERITY, er_set(), ER_TR_INTERNAL_ERROR, error(), tr_trigger::event, IS_CLASS_EVENT, tr_trigger::name, NO_ERROR, NULL, tr_trigger::owner, tr_trigger::status, TR_STATUS_INVALID, and ws_is_same_object().

Referenced by find_all_triggers(), tr_check_authorization(), tr_drop_trigger(), tr_find_trigger(), tr_rename_trigger(), tr_set_comment(), tr_set_priority(), and tr_set_status().

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static int check_semantics ( TR_TRIGGER * trigger )

static

Definition at line 3740 of file trigger_manager.c.

References tr_trigger::action, ARG_FILE_LINE, ASSERT_ERROR_AND_SET, tr_trigger::attribute, check_target(), tr_trigger::class_mop, tr_trigger::condition, er_errid(), ER_ERROR_SEVERITY, er_set(), ER_TR_INVALID_ACTION_TIME, ER_TR_INVALID_CONDITION_TYPE, ER_TR_INVALID_EVENT, ER_TR_INVALID_PRIORITY, ER_TR_REJECT_AFTER_EVENT, ER_TR_REJECT_NOT_POSSIBLE, ER_TR_TRIGGER_EXISTS, error(), tr_trigger::event, tr_trigger::name, NO_ERROR, NULL, tr_trigger::priority, tr_activity::time, time_as_string(), TR_ACT_EXPRESSION, TR_ACT_INVALIDATE, TR_ACT_NULL, TR_ACT_REJECT, TR_EVENT_ABORT, TR_EVENT_ALL, TR_EVENT_NULL, TR_EVENT_TIMEOUT, TR_TIME_AFTER, TR_TIME_DEFERRED, trigger_table_find(), and tr_activity::type.

Referenced by tr_create_trigger().

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static bool check_target	(	DB_TRIGGER_EVENT	event,
		DB_OBJECT *	class_mop,
		const char *	attribute
	)

static

Definition at line 3679 of file trigger_manager.c.

References ARG_FILE_LINE, AU_ALTER, au_check_authorization(), db_get_attribute(), ER_ERROR_SEVERITY, er_set(), ER_TR_BAD_TARGET_ATTR, ER_TR_BAD_TARGET_CLASS, ER_TR_MISSING_TARGET_CLASS, IS_CLASS_EVENT, NO_ERROR, NULL, sm_get_ch_name(), TR_EVENT_ALL, TR_EVENT_STATEMENT_UPDATE, and TR_EVENT_UPDATE.

Referenced by check_semantics(), and tr_find_event_triggers().

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static int compare_recursion_levels	(	int	rl_1,
		int	rl_2
	)

static

Definition at line 5198 of file trigger_manager.c.

Referenced by start_state().

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static int compile_trigger_activity	(	TR_TRIGGER *	trigger,
		TR_ACTIVITY *	activity,
		int	with_evaluate
	)

static

Definition at line 1594 of file trigger_manager.c.

References ARG_FILE_LINE, assert, tr_trigger::class_mop, ER_EMERGENCY_ERROR, er_errid(), ER_ERROR_SEVERITY, ER_IS_ABORTED_DUE_TO_DEADLOCK, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), ER_SYNTAX_ERROR_SEVERITY, ER_TR_ACTION_COMPILE, ER_TR_CONDITION_COMPILE, ER_TR_CORRELATION_ERROR, ER_TR_INTERNAL_ERROR, err, error(), EVAL_PREFIX, EVAL_SUFFIX, tr_trigger::event, free_and_init, get_reference_names(), parser_node::info, tr_trigger::name, NO_ERROR, NULL, tr_activity::parser, parser_create_parser(), parser_free_parser(), parser_free_tree(), parser_walk_tree(), pt_compile_trigger_stmt(), pt_get_errors(), pt_get_next_error(), pt_has_error, pt_statement_info::scope, tr_activity::source, tr_activity::statement, pt_scope_info::stmt, strlen, tr_activity::time, TR_ACT_EXPRESSION, tr_check_correlation(), TR_EVENT_INSERT, TR_TIME_BEFORE, and tr_activity::type.

Referenced by eval_action(), eval_condition(), tr_create_trigger(), and validate_trigger().

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static int define_trigger_classes ( void )

static

Definition at line 7279 of file trigger_manager.c.

References ASSERT_ERROR, db_make_float(), db_make_int(), dbt_abort_class(), dbt_add_attribute(), dbt_create_class(), dbt_finish_class(), er_errid(), locator_create_heap_if_needed(), NO_ERROR, NULL, TR_ATT_ACTION, TR_ATT_ACTION_TIME, TR_ATT_ACTION_TYPE, TR_ATT_ATTRIBUTE, TR_ATT_CLASS, TR_ATT_CLASS_ATTRIBUTE, TR_ATT_COMMENT, TR_ATT_CONDITION, TR_ATT_CONDITION_TIME, TR_ATT_CONDITION_TYPE, TR_ATT_EVENT, TR_ATT_NAME, TR_ATT_OWNER, TR_ATT_PRIORITY, TR_ATT_STATUS, TR_CLASS_NAME, TR_EVENT_NULL, TR_LOWEST_PRIORITY, TR_STATUS_ACTIVE, and TR_TIME_AFTER.

Referenced by tr_install().

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static int eval_action	(	TR_TRIGGER *	trigger,
		DB_OBJECT *	current,
		DB_OBJECT *	temp,
		bool *	reject
	)

static

Definition at line 4776 of file trigger_manager.c.

References tr_trigger::action, ARG_FILE_LINE, assert, compile_trigger_activity(), er_clear(), ER_ERROR_SEVERITY, ER_QPROC_INVALID_XASLNODE, er_set(), ER_TR_ACTION_EVAL, ER_TR_EXCEEDS_MAX_REC_LEVEL, ER_TR_INTERNAL_ERROR, error(), tr_trigger::event, tr_activity::exec_cnt, tr_trigger::name, NO_ERROR, NULL, tr_trigger::object, vid_oid::oid, db_object::oid_info, tr_activity::parser, parser_free_parser(), prm_get_integer_value(), PRM_ID_RESET_TR_PARSER, pt_exec_trigger_stmt(), pt_reset_error(), signal_evaluation_error(), tr_activity::source, tr_activity::statement, TR_ACT_EXPRESSION, TR_ACT_INVALIDATE, TR_ACT_PRINT, TR_ACT_REJECT, tr_check_recursivity(), tr_Current_depth, TR_DECISION_CONTINUE, TR_DECISION_DO_NOT_CONTINUE, TR_DECISION_HALT_WITH_ERROR, TR_EVENT_STATEMENT_DELETE, TR_EVENT_STATEMENT_INSERT, TR_EVENT_STATEMENT_UPDATE, tr_Invalid_transaction, tr_Invalid_transaction_trigger, TR_MAX_RECURSION_LEVEL, tr_Trace, and tr_activity::type.

Referenced by execute_activity().

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static int eval_condition	(	TR_TRIGGER *	trigger,
		DB_OBJECT *	current,
		DB_OBJECT *	temp,
		bool *	status
	)

static

Definition at line 4633 of file trigger_manager.c.

References ARG_FILE_LINE, compile_trigger_activity(), tr_trigger::condition, ER_ERROR_SEVERITY, er_set(), ER_TR_CONDITION_EVAL, ER_TR_INTERNAL_ERROR, ER_TR_INVALID_CONDITION_TYPE, error(), tr_activity::exec_cnt, tr_trigger::name, NO_ERROR, NULL, tr_activity::parser, parser_free_parser(), prm_get_integer_value(), PRM_ID_RESET_TR_PARSER, pt_exec_trigger_stmt(), signal_evaluation_error(), tr_activity::statement, TR_ACT_EXPRESSION, tr_Trace, tr_activity::type, and value_as_boolean().

Referenced by execute_activity().

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static int execute_activity	(	TR_TRIGGER *	trigger,
		DB_TRIGGER_TIME	tr_time,
		DB_OBJECT *	current,
		DB_OBJECT *	temp,
		bool *	rejected
	)

static

Definition at line 4976 of file trigger_manager.c.

References tr_trigger::action, AU_SET_USER, Au_user, tr_trigger::condition, eval_action(), eval_condition(), NO_ERROR, NULL, tr_trigger::owner, tr_trigger::status, tr_activity::time, TR_RETURN_ERROR, TR_RETURN_FALSE, TR_RETURN_TRUE, and TR_STATUS_ACTIVE.

Referenced by run_user_triggers(), tr_execute_activities(), and tr_execute_deferred_activities().

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static int find_all_triggers	(	bool	active_filter,
		bool	alter_filter,
		DB_OBJLIST **	list
	)

static

Definition at line 3471 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, Au_root, check_authorization(), db_get_object(), db_get_set(), DB_IS_NULL, DB_TYPE_OBJECT, DB_VALUE_TYPE, error(), i, max, ml_ext_add(), ml_ext_free(), NO_ERROR, NULL, obj_get(), set_filter(), set_free(), set_get_element(), set_size(), tr_trigger::status, tr_map_trigger(), and TR_STATUS_ACTIVE.

Referenced by tr_find_all_triggers().

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static int find_event_triggers	(	DB_TRIGGER_EVENT	event,
		DB_OBJECT *	class_mop,
		const char *	attribute,
		bool	active_filter,
		DB_OBJLIST **	list
	)

static

Definition at line 3649 of file trigger_manager.c.

References error(), get_schema_trigger_objects(), get_user_trigger_objects(), NO_ERROR, and NULL.

Referenced by tr_find_event_triggers().

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static void flush_deferred_activities ( void )

static

Definition at line 823 of file trigger_manager.c.

References free_and_init, tr_deferred_context::head, tr_deferred_context::next, NULL, and tr_free_trigger_list().

Referenced by tr_check_abort_triggers(), tr_check_rollback_triggers(), and tr_final().

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static void free_activity ( TR_ACTIVITY * act )

static

Definition at line 355 of file trigger_manager.c.

References free_and_init, NULL, tr_activity::parser, parser_free_parser(), parser_free_tree(), tr_activity::source, and tr_activity::statement.

Referenced by tr_clear_trigger().

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static void free_state ( TR_STATE * state )

static

Definition at line 976 of file trigger_manager.c.

References free_and_init, tr_free_trigger_list(), and tr_state::triggers.

Referenced by tr_finish().

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static void free_trigger ( TR_TRIGGER * trigger )

static

Definition at line 472 of file trigger_manager.c.

References free_and_init, and tr_clear_trigger().

Referenced by map_flush_helper(), tr_create_trigger(), tr_drop_trigger_internal(), and tr_map_trigger().

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static void get_reference_names	(	TR_TRIGGER *	trigger,
		TR_ACTIVITY *	activity,
		const char **	curname,
		const char **	tempname
	)

static

Definition at line 1460 of file trigger_manager.c.

References tr_trigger::event, NEW_REFERENCE_NAME, NULL, OBJ_REFERENCE_NAME, OLD_REFERENCE_NAME, prm_get_bool_value(), PRM_ID_MYSQL_TRIGGER_CORRELATION_NAMES, tr_activity::time, TR_EVENT_DELETE, TR_EVENT_INSERT, TR_EVENT_UPDATE, TR_TIME_AFTER, TR_TIME_BEFORE, and TR_TIME_DEFERRED.

Referenced by compile_trigger_activity().

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static int get_schema_trigger_objects	(	DB_OBJECT *	class_mop,
		const char *	attribute,
		DB_TRIGGER_EVENT	event,
		bool	active_flag,
		DB_OBJLIST **	objlist
	)

static

Definition at line 3557 of file trigger_manager.c.

References tr_schema_cache::array_length, assert, ASSERT_ERROR_AND_SET, er_errid(), error(), ml_ext_add(), ml_ext_copy(), ml_ext_free(), tr_triglist::next, NO_ERROR, NULL, tr_trigger::object, tr_schema_cache::objects, sm_get_trigger_cache(), tr_trigger::status, TR_EVENT_ALL, TR_STATUS_ACTIVE, tr_validate_schema_cache(), tr_triglist::trigger, and tr_schema_cache::triggers.

Referenced by find_event_triggers().

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static int get_user_trigger_objects	(	DB_TRIGGER_EVENT	event,
		bool	active_filter,
		DB_OBJLIST **	trigger_list
	)

static

Definition at line 2049 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, Au_user, db_get_object(), db_get_set(), DB_IS_NULL, DB_TYPE_OBJECT, DB_VALUE_TYPE, error(), i, max, ml_ext_add(), ml_ext_free(), NO_ERROR, NULL, obj_get(), set_filter(), set_free(), set_get_element(), set_size(), tr_trigger::status, TR_EVENT_NULL, tr_map_trigger(), TR_STATUS_ACTIVE, and tr_trigger_event().

Referenced by find_event_triggers().

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static int insert_trigger_list	(	TR_TRIGLIST **	list,
		TR_TRIGGER *	trigger
	)

static

Definition at line 517 of file trigger_manager.c.

References assert, db_ws_alloc(), er_errid(), tr_triglist::next, NO_ERROR, NULL, tr_triglist::prev, tr_trigger::priority, tr_triglist::target, and tr_triglist::trigger.

Referenced by reinsert_trigger_list(), tr_add_cache_trigger(), tr_create_trigger(), tr_update_user_cache(), and tr_validate_schema_cache().

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static int its_deleted ( DB_OBJECT * object )

static

Definition at line 5901 of file trigger_manager.c.

References au_fetch_instance_force(), AU_FETCH_READ, db_object::decached, ER_HEAP_UNKNOWN_OBJECT, error(), NULL, TM_TRAN_READ_FETCH_VERSION, and WS_IS_DELETED.

Referenced by tr_execute_deferred_activities().

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static TR_ACTIVITY * make_activity ( void )

static

Definition at line 328 of file trigger_manager.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), tr_activity::exec_cnt, NULL, tr_activity::parser, tr_activity::source, tr_activity::statement, tr_activity::time, TR_ACT_NULL, TR_TIME_NULL, and tr_activity::type.

Referenced by object_to_trigger(), and tr_create_trigger().

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static TR_STATE * make_state ( void )

static

Definition at line 952 of file trigger_manager.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), NULL, and tr_state::triggers.

Referenced by start_state().

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static int map_flush_helper	(	const void *	key,
		void *	data,
		void *	args
	)

static

Definition at line 7191 of file trigger_manager.c.

References free_trigger(), NO_ERROR, and NULL.

Referenced by tr_final().

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static int merge_trigger_list	(	TR_TRIGLIST **	list,
		TR_TRIGLIST *	more,
		int	destructive
	)

static

Definition at line 576 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, db_ws_alloc(), error(), tr_triglist::next, NO_ERROR, NULL, tr_triglist::prev, tr_trigger::priority, tr_triglist::target, and tr_triglist::trigger.

Referenced by tr_prepare_class(), and tr_prepare_statement().

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static int object_to_trigger	(	DB_OBJECT *	object,
		TR_TRIGGER *	trigger
	)

static

Definition at line 1170 of file trigger_manager.c.

References tr_trigger::action, assert, tr_trigger::attribute, AU_DISABLE, AU_ENABLE, au_fetch_class_force(), au_fetch_instance_force(), AU_FETCH_READ, tr_trigger::chn, tr_trigger::class_attribute, tr_trigger::class_mop, tr_trigger::comment, tr_trigger::condition, db_get(), db_get_double(), db_get_int(), db_get_object(), db_get_string(), DB_IS_NULL, DB_TYPE_DOUBLE, DB_TYPE_INTEGER, DB_TYPE_OBJECT, DB_TYPE_STRING, db_value_clear(), DB_VALUE_TYPE, er_errid(), ER_HEAP_UNKNOWN_OBJECT, error(), tr_trigger::event, make_activity(), tr_trigger::name, NO_ERROR, NULL, tr_trigger::object, tr_trigger::owner, tr_trigger::priority, tr_activity::source, tr_trigger::status, strdup(), tr_activity::time, TM_TRAN_READ_FETCH_VERSION, TR_ATT_ACTION, TR_ATT_ACTION_OLD, TR_ATT_ACTION_TIME, TR_ATT_ACTION_TYPE, TR_ATT_ATTRIBUTE, TR_ATT_CLASS, TR_ATT_CLASS_ATTRIBUTE, TR_ATT_COMMENT, TR_ATT_CONDITION, TR_ATT_CONDITION_TIME, TR_ATT_CONDITION_TYPE, TR_ATT_EVENT, TR_ATT_NAME, TR_ATT_OWNER, TR_ATT_PRIORITY, TR_ATT_STATUS, TR_EVENT_NULL, TR_LOWEST_PRIORITY, TR_STATUS_INVALID, tr_activity::type, and WS_CHN.

Referenced by tr_map_trigger(), and validate_trigger().

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static int register_user_trigger ( DB_OBJECT * object )

static

Definition at line 1917 of file trigger_manager.c.

References AU_DISABLE, AU_ENABLE, Au_user, db_get_set(), DB_IS_NULL, db_make_object(), db_make_sequence(), error(), NO_ERROR, NULL, obj_get(), obj_inst_lock(), obj_set(), set_create_sequence(), set_free(), set_insert_element(), tr_update_user_cache(), and tr_User_triggers_modified.

Referenced by tr_create_trigger().

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static void reinsert_trigger_list	(	TR_TRIGLIST **	list,
		TR_TRIGGER *	trigger
	)

static

Definition at line 704 of file trigger_manager.c.

References insert_trigger_list(), tr_triglist::next, NULL, remove_trigger_list_element(), and tr_triglist::trigger.

Referenced by reorder_schema_caches().

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static void remove_deferred_activity	(	TR_DEFERRED_CONTEXT *	context,
		TR_TRIGLIST *	element
	)

static

Definition at line 846 of file trigger_manager.c.

References tr_deferred_context::head, tr_triglist::prev, remove_trigger_list_element(), and tr_deferred_context::tail.

Referenced by tr_drop_deferred_activities(), and tr_execute_deferred_activities().

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static void remove_deferred_context ( TR_DEFERRED_CONTEXT * c )

static

Definition at line 864 of file trigger_manager.c.

References add_deferred_activity_context(), assert, er_errid(), free_and_init, tr_deferred_context::head, tr_deferred_context::next, NO_ERROR, NULL, tr_deferred_context::prev, tr_deferred_context::savepoint_id, tr_Deferred_activities_tail, and tr_free_trigger_list().

Referenced by tr_drop_deferred_activities(), and tr_execute_deferred_activities().

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static void remove_trigger_list	(	TR_TRIGLIST **	list,
		TR_TRIGGER *	trigger
	)

static

Definition at line 678 of file trigger_manager.c.

References tr_triglist::next, NULL, remove_trigger_list_element(), and tr_triglist::trigger.

Referenced by tr_create_trigger(), tr_drop_cache_trigger(), tr_drop_trigger_internal(), and unregister_user_trigger().

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static void remove_trigger_list_element	(	TR_TRIGLIST **	list,
		TR_TRIGLIST *	element
	)

static

Definition at line 650 of file trigger_manager.c.

References tr_triglist::next, NULL, tr_triglist::prev, and tr_free_trigger_list().

Referenced by reinsert_trigger_list(), remove_deferred_activity(), remove_trigger_list(), and tr_execute_activities().

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static void reorder_schema_caches ( TR_TRIGGER * trigger )

static

Definition at line 2756 of file trigger_manager.c.

References tr_schema_cache::array_length, tr_schema_cache::compiled, i, tr_schema_cache::next, NULL, reinsert_trigger_list(), and tr_schema_cache::triggers.

Referenced by tr_set_priority().

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static int run_user_triggers	(	DB_TRIGGER_EVENT	event,
		DB_TRIGGER_TIME	time
	)

static

Definition at line 5132 of file trigger_manager.c.

References ARG_FILE_LINE, ASSERT_ERROR_AND_SET, er_set(), ER_TR_REJECTED, ER_WARNING_SEVERITY, error(), tr_trigger::event, execute_activity(), tr_trigger::name, tr_triglist::next, NO_ERROR, NULL, start_state(), tr_trigger::status, tr_finish(), TR_RETURN_ERROR, TR_RETURN_TRUE, TR_STATUS_ACTIVE, tr_update_user_cache(), tr_User_triggers_valid, and tr_triglist::trigger.

Referenced by tr_check_abort_triggers(), tr_check_commit_triggers(), and tr_check_rollback_triggers().

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static int signal_evaluation_error	(	TR_TRIGGER *	trigger,
		int	error
	)

static

Definition at line 4595 of file trigger_manager.c.

References ARG_FILE_LINE, er_errid(), ER_ERROR_SEVERITY, ER_LK_UNILATERALLY_ABORTED, er_msg(), ER_MVCC_SERIALIZABLE_CONFLICT, er_set(), error(), MAX_ERROR_STRING, tr_trigger::name, and NULL.

Referenced by eval_action(), and eval_condition().

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static TR_STATE * start_state	(	TR_STATE **	current,
		const char *	name
	)

static

Definition at line 5224 of file trigger_manager.c.

References ARG_FILE_LINE, compare_recursion_levels(), ER_ERROR_SEVERITY, er_set(), ER_TR_EXCEEDS_MAX_REC_LEVEL, make_state(), NULL, tr_Current_depth, and tr_Maximum_depth.

Referenced by run_user_triggers(), tr_execute_deferred_activities(), tr_prepare_class(), and tr_prepare_statement().

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static const char * time_as_string ( DB_TRIGGER_TIME tr_time )

static

Definition at line 264 of file trigger_manager.c.

References TR_TIME_AFTER, TR_TIME_BEFORE, TR_TIME_DEFERRED, and TR_TIME_NULL.

Referenced by check_semantics(), and double_to_string().

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void tr_abort ( TR_STATE * state )

Definition at line 5536 of file trigger_manager.c.

References tr_finish().

Referenced by check_merge_trigger(), check_trigger(), obt_apply_assignments(), tr_after_object(), and tr_before_object().

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int tr_active_schema_cache	(	MOP	class_mop,
		TR_SCHEMA_CACHE *	cache,
		DB_TRIGGER_EVENT	event_type,
		bool *	has_event_type_triggers
	)

Definition at line 2787 of file trigger_manager.c.

References tr_schema_cache::array_length, tr_trigger::event, i, tr_triglist::next, NULL, tr_trigger::status, TR_EVENT_ALL, TR_STATUS_ACTIVE, tr_validate_schema_cache(), tr_triglist::trigger, and tr_schema_cache::triggers.

Referenced by sm_active_triggers().

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int tr_add_cache_trigger	(	TR_SCHEMA_CACHE *	cache,
		DB_OBJECT *	trigger_object
	)

Definition at line 2477 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, tr_schema_cache::compiled, error(), tr_trigger::event, insert_trigger_list(), ml_add(), NO_ERROR, NULL, tr_schema_cache::objects, tr_map_trigger(), and tr_schema_cache::triggers.

Referenced by alter_trigger_cache().

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int tr_after ( TR_STATE * state )

Definition at line 5651 of file trigger_manager.c.

References NULL, and tr_after_object().

Referenced by check_merge_trigger(), and check_trigger().

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int tr_after_object	(	TR_STATE *	state,
		DB_OBJECT *	current,
		DB_OBJECT *	temp
	)

Definition at line 5608 of file trigger_manager.c.

References add_deferred_activities(), error(), NO_ERROR, NULL, tr_abort(), tr_execute_activities(), TR_EXECUTION_ENABLED, tr_finish(), TR_TIME_AFTER, and tr_state::triggers.

Referenced by obj_delete(), obt_apply_assignments(), and tr_after().

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int tr_before ( TR_STATE * state )

Definition at line 5593 of file trigger_manager.c.

References NULL, and tr_before_object().

Referenced by check_merge_trigger(), and check_trigger().

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int tr_before_object	(	TR_STATE *	state,
		DB_OBJECT *	current,
		DB_OBJECT *	temp
	)

Definition at line 5561 of file trigger_manager.c.

References error(), NO_ERROR, tr_abort(), tr_execute_activities(), TR_EXECUTION_ENABLED, and TR_TIME_BEFORE.

Referenced by obj_delete(), obt_apply_assignments(), and tr_before().

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void tr_check_abort_triggers ( void )

Definition at line 5865 of file trigger_manager.c.

References flush_deferred_activities(), run_user_triggers(), TR_EVENT_ABORT, TR_EXECUTION_ENABLED, tr_Invalid_transaction, and TR_TIME_AFTER.

Referenced by tran_abort_only_client(), and tran_unilaterally_abort().

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int tr_check_authorization	(	DB_OBJECT *	trigger_object,
		int	alter_flag
	)

Definition at line 4302 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_authorization(), error(), NO_ERROR, NULL, and tr_map_trigger().

Referenced by do_alter_trigger(), and do_drop_trigger().

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int tr_check_commit_triggers ( DB_TRIGGER_TIME time )

Definition at line 5715 of file trigger_manager.c.

References ARG_FILE_LINE, ASSERT_ERROR_AND_SET, ER_ERROR_SEVERITY, er_set(), ER_TR_TRANSACTION_INVALIDATED, error(), NO_ERROR, NULL, run_user_triggers(), TR_EVENT_COMMIT, tr_execute_deferred_activities(), TR_EXECUTION_ENABLED, tr_free_trigger_list(), tr_Invalid_transaction, tr_Invalid_transaction_trigger, TR_TIME_BEFORE, and tr_User_triggers_modified.

Referenced by tran_commit().

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static PT_NODE * tr_check_correlation	(	PARSER_CONTEXT *	parser,
		PT_NODE *	node,
		void *	arg,
		int *	walk_on
	)

static

Definition at line 3869 of file trigger_manager.c.

References er_msg(), parser_node::info, pt_statement_info::name, NEW_REFERENCE_NAME, parser_node::node_type, NULL, pt_name_info::original, PT_ERROR, PT_NAME, and pt_name_info::resolved.

Referenced by compile_trigger_activity().

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static TR_RECURSION_DECISION tr_check_recursivity	(	OID	oid,
		OID	stack[],
		int	stack_size,
		bool	is_statement
	)

static

Definition at line 4738 of file trigger_manager.c.

References assert, i, min, oid_compare(), TR_DECISION_CONTINUE, TR_DECISION_DO_NOT_CONTINUE, and TR_MAX_RECURSION_LEVEL.

Referenced by eval_action().

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void tr_check_rollback_triggers ( DB_TRIGGER_TIME time )

Definition at line 5782 of file trigger_manager.c.

References flush_deferred_activities(), tr_triglist::next, NULL, run_user_triggers(), tr_drop_trigger_internal(), TR_EVENT_ROLLBACK, TR_EVENT_TIMEOUT, TR_EXECUTION_ENABLED, tr_free_trigger_list(), tr_Invalid_transaction, TR_TIME_AFTER, tr_User_triggers_modified, tr_User_triggers_valid, and tr_triglist::trigger.

Referenced by tran_abort().

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static void tr_clear_trigger ( TR_TRIGGER * trigger )

static

Definition at line 429 of file trigger_manager.c.

References tr_trigger::action, tr_trigger::attribute, tr_trigger::class_mop, tr_trigger::comment, tr_trigger::condition, free_activity(), free_and_init, tr_trigger::name, NULL, tr_trigger::object, and tr_trigger::owner.

Referenced by free_trigger(), and validate_trigger().

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TR_SCHEMA_CACHE* tr_copy_schema_cache	(	TR_SCHEMA_CACHE *	cache,
		MOP	filter_class
	)

Definition at line 2308 of file trigger_manager.c.

References tr_schema_cache::array_length, tr_trigger::class_mop, ml_add(), ml_copy(), db_objlist::next, NULL, tr_schema_cache::objects, db_objlist::op, TR_CACHE_ATTRIBUTE, TR_CACHE_CLASS, tr_free_schema_cache(), tr_make_schema_cache(), tr_map_trigger(), and TR_MAX_CLASS_TRIGGERS.

Referenced by classobj_init_attribute(), classobj_make_template(), and flatten_trigger_cache().

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DB_OBJECT* tr_create_trigger	(	const char *	name,
		DB_TRIGGER_STATUS	status,
		double	priority,
		DB_TRIGGER_EVENT	event,
		DB_OBJECT *	class_mop,
		const char *	attribute,
		DB_TRIGGER_TIME	cond_time,
		const char *	cond_source,
		DB_TRIGGER_TIME	action_time,
		DB_TRIGGER_ACTION	action_type,
		const char *	action_source,
		const char *	comment
	)

Definition at line 3916 of file trigger_manager.c.

References tr_trigger::action, ARG_FILE_LINE, tr_trigger::attribute, Au_user, check_semantics(), tr_trigger::class_mop, tr_trigger::comment, compile_trigger_activity(), tr_trigger::condition, db_get_class_name(), db_is_vclass(), er_errid(), ER_ERROR_SEVERITY, ER_LK_UNILATERALLY_ABORTED, er_set(), ER_TR_MISSING_ACTION_STRING, ER_TR_NO_VCLASSES, error(), tr_trigger::event, free_trigger(), insert_trigger_list(), locator_all_flush(), make_activity(), mht_put(), mht_rem(), tr_trigger::name, NO_ERROR, NULL, tr_trigger::object, tr_trigger::owner, tr_trigger::priority, register_user_trigger(), remove_trigger_list(), sm_add_trigger(), sm_downcase_name(), SM_MAX_IDENTIFIER_LENGTH, tr_activity::source, tr_trigger::status, strdup(), tr_activity::time, TM_TRAN_ISOLATION, TR_ACT_EXPRESSION, TR_ACT_NULL, tr_drop_deferred_activities(), tr_make_trigger(), tr_process_name(), TR_TIME_AFTER, TR_TIME_NULL, tran_abort_upto_system_savepoint(), TRAN_REP_READ, tran_system_savepoint(), trigger_table_add(), trigger_table_drop(), trigger_to_object(), tr_activity::type, and UNIQUE_SAVEPOINT_CREATE_TRIGGER.

Referenced by db_create_trigger(), and do_create_trigger().

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int tr_delete_schema_cache	(	TR_SCHEMA_CACHE *	cache,
		DB_OBJECT *	class_object
	)

Definition at line 2841 of file trigger_manager.c.

References AU_DISABLE, AU_ENABLE, tr_trigger::class_mop, db_make_int(), db_put_internal(), db_objlist::next, NO_ERROR, NULL, tr_schema_cache::objects, db_objlist::op, tr_trigger::status, TR_ATT_STATUS, tr_free_schema_cache(), tr_map_trigger(), and TR_STATUS_INVALID.

Referenced by invalidate_unused_triggers().

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int tr_delete_triggers_for_class	(	TR_SCHEMA_CACHE **	cache,
		DB_OBJECT *	class_object
	)

Definition at line 2914 of file trigger_manager.c.

References AU_DISABLE, AU_ENABLE, tr_trigger::class_mop, error(), db_objlist::next, NO_ERROR, NULL, db_objlist::op, tr_drop_trigger_internal(), tr_free_schema_cache(), tr_map_trigger(), and tr_validate_schema_cache().

Referenced by remove_class_triggers().

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int tr_drop_cache_trigger	(	TR_SCHEMA_CACHE *	cache,
		DB_OBJECT *	trigger_object
	)

Definition at line 2519 of file trigger_manager.c.

References assert, tr_schema_cache::compiled, er_errid(), error(), tr_trigger::event, ml_remove(), NO_ERROR, NULL, tr_schema_cache::objects, remove_trigger_list(), tr_map_trigger(), and tr_schema_cache::triggers.

Referenced by alter_trigger_cache().

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int tr_drop_deferred_activities	(	DB_OBJECT *	trigger_object,
		DB_OBJECT *	target
	)

Definition at line 6055 of file trigger_manager.c.

References ARG_FILE_LINE, Au_dba_user, Au_user, ER_ERROR_SEVERITY, er_set(), ER_TR_ACTIVITY_NOT_OWNED, error(), tr_deferred_context::head, tr_triglist::next, tr_deferred_context::next, NO_ERROR, NULL, tr_trigger::object, tr_trigger::owner, remove_deferred_activity(), remove_deferred_context(), tr_triglist::target, tr_triglist::trigger, and ws_is_same_object().

Referenced by db_drop_deferred_activities(), do_remove_trigger(), tr_create_trigger(), and tr_drop_trigger().

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int tr_drop_trigger	(	DB_OBJECT *	obj,
		bool	call_from_api
	)

Definition at line 4442 of file trigger_manager.c.

References tr_trigger::action, ARG_FILE_LINE, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_authorization(), tr_trigger::condition, er_errid(), ER_ERROR_SEVERITY, er_set(), ER_TR_TRIGGER_DELETE_FAILURE, error(), free_and_init, tr_trigger::name, NO_ERROR, NULL, strdup(), tr_activity::time, TM_TRAN_ISOLATION, tr_drop_deferred_activities(), tr_drop_trigger_internal(), tr_map_trigger(), TR_TIME_DEFERRED, and TRAN_REP_READ.

Referenced by db_drop_trigger(), and do_drop_trigger().

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static int tr_drop_trigger_internal	(	TR_TRIGGER *	trigger,
		int	rollback,
		bool	need_savepoint
	)

static

Definition at line 4348 of file trigger_manager.c.

References tr_trigger::attribute, AU_DISABLE, AU_ENABLE, tr_trigger::class_mop, db_drop(), ER_HEAP_UNKNOWN_OBJECT, ER_LK_UNILATERALLY_ABORTED, error(), free_trigger(), locator_flush_instance(), tr_trigger::name, NO_ERROR, NULL, tr_trigger::object, remove_trigger_list(), sm_drop_trigger(), tr_unmap_trigger(), tran_abort_upto_system_savepoint(), tran_system_savepoint(), trigger_table_drop(), UNIQUE_SAVEPOINT_DROP_TRIGGER, unregister_user_trigger(), ws_clear_hints(), and ws_decache().

Referenced by tr_check_rollback_triggers(), tr_delete_triggers_for_class(), and tr_drop_trigger().

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void tr_dump ( FILE * fpp )

Definition at line 7240 of file trigger_manager.c.

References tr_deferred_context::head, tr_trigger::name, tr_triglist::next, tr_deferred_context::next, NULL, TR_EXECUTION_ENABLED, and tr_triglist::trigger.

Referenced by help_print_info().

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int tr_empty_schema_cache ( TR_SCHEMA_CACHE * cache )

Definition at line 2405 of file trigger_manager.c.

References NULL, and tr_schema_cache::objects.

Referenced by flatten_trigger_cache().

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const char* tr_event_as_string ( DB_TRIGGER_EVENT event )

Definition at line 6611 of file trigger_manager.c.

References TR_EVENT_ABORT, TR_EVENT_ALL, TR_EVENT_ALTER, TR_EVENT_COMMIT, TR_EVENT_DELETE, TR_EVENT_DROP, TR_EVENT_INSERT, TR_EVENT_NULL, TR_EVENT_ROLLBACK, TR_EVENT_STATEMENT_DELETE, TR_EVENT_STATEMENT_INSERT, TR_EVENT_STATEMENT_UPDATE, TR_EVENT_TIMEOUT, and TR_EVENT_UPDATE.

Referenced by object_printer::describe_class_trigger(), trigger_description::init(), and tr_dump_trigger().

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static int tr_execute_activities	(	TR_STATE *	state,
		DB_TRIGGER_TIME	tr_time,
		DB_OBJECT *	current,
		DB_OBJECT *	temp
	)

static

Definition at line 5082 of file trigger_manager.c.

References ARG_FILE_LINE, ASSERT_ERROR_AND_SET, er_set(), ER_TR_REJECTED, ER_WARNING_SEVERITY, error(), execute_activity(), tr_trigger::name, tr_triglist::next, NO_ERROR, NULL, remove_trigger_list_element(), TR_RETURN_ERROR, TR_RETURN_TRUE, tr_triglist::trigger, and tr_state::triggers.

Referenced by tr_after_object(), and tr_before_object().

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int tr_execute_deferred_activities	(	DB_OBJECT *	trigger_object,
		DB_OBJECT *	target
	)

Definition at line 5957 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, error(), execute_activity(), tr_deferred_context::head, its_deleted(), tr_trigger::name, tr_triglist::next, tr_deferred_context::next, NO_ERROR, NULL, tr_trigger::object, remove_deferred_activity(), remove_deferred_context(), start_state(), tr_triglist::target, TR_EXECUTION_ENABLED, tr_finish(), TR_RETURN_ERROR, TR_RETURN_TRUE, TR_TIME_DEFERRED, and tr_triglist::trigger.

Referenced by db_execute_deferred_activities(), do_execute_trigger(), and tr_check_commit_triggers().

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void tr_final ( void )

Definition at line 7206 of file trigger_manager.c.

References flush_deferred_activities(), map_flush_helper(), mht_destroy(), mht_map(), NULL, and tr_free_trigger_list().

Referenced by boot_client_all_finalize(), boot_initialize_client(), boot_restart_client(), and ws_final().

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int tr_find_all_triggers ( DB_OBJLIST ** list )

Definition at line 4186 of file trigger_manager.c.

References AU_DISABLE, AU_ENABLE, error(), and find_all_triggers().

Referenced by convert_speclist_to_objlist(), db_find_all_triggers(), and help_trigger_names().

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int tr_find_event_triggers	(	DB_TRIGGER_EVENT	event,
		DB_OBJECT *	class_mop,
		const char *	attribute,
		bool	active,
		DB_OBJLIST **	list
	)

Definition at line 4264 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_target(), error(), find_event_triggers(), and NO_ERROR.

Referenced by convert_speclist_to_objlist(), and db_find_event_triggers().

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DB_OBJECT* tr_find_trigger ( const char * name )

Definition at line 4216 of file trigger_manager.c.

References ARG_FILE_LINE, AU_DISABLE, AU_ENABLE, check_authorization(), ER_ERROR_SEVERITY, er_set(), ER_TR_TRIGGER_NOT_FOUND, ER_TR_TRIGGER_SELECT_FAILURE, NO_ERROR, NULL, tr_map_trigger(), and trigger_table_find().

Referenced by au_change_trigger_owner_method(), convert_speclist_to_objlist(), db_find_trigger(), do_rename_trigger(), and trigger_description::init().

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static void tr_finish ( TR_STATE * state )

static

Definition at line 5517 of file trigger_manager.c.

References free_state(), and tr_Current_depth.

Referenced by run_user_triggers(), tr_abort(), tr_after_object(), and tr_execute_deferred_activities().

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void tr_free_schema_cache ( TR_SCHEMA_CACHE * cache )

Definition at line 2419 of file trigger_manager.c.

References tr_schema_cache::array_length, db_ws_free(), i, ml_free(), tr_schema_cache::next, NULL, tr_schema_cache::objects, tr_free_trigger_list(), and tr_schema_cache::triggers.

Referenced by classobj_clear_attribute(), classobj_free_template(), classobj_install_template(), flatten_trigger_cache(), tr_copy_schema_cache(), tr_delete_schema_cache(), and tr_delete_triggers_for_class().

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void tr_free_trigger_list ( TR_TRIGLIST * list )

Definition at line 494 of file trigger_manager.c.

References db_ws_free(), tr_triglist::next, and NULL.

Referenced by flush_deferred_activities(), free_state(), remove_deferred_context(), remove_trigger_list_element(), tr_check_commit_triggers(), tr_check_rollback_triggers(), tr_final(), tr_free_schema_cache(), tr_prepare_statement(), tr_update_user_cache(), and tr_validate_schema_cache().

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int tr_get_cache_objects	(	TR_SCHEMA_CACHE *	cache,
		DB_OBJLIST **	list
	)

Definition at line 2562 of file trigger_manager.c.

References tr_schema_cache::array_length, error(), i, ml_add(), tr_triglist::next, NO_ERROR, NULL, tr_trigger::object, tr_schema_cache::objects, tr_triglist::trigger, and tr_schema_cache::triggers.

Referenced by attribute_size(), attribute_to_disk(), put_class_attributes(), put_class_varinfo(), and tf_class_size().

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const char* tr_get_class_name ( void )

Definition at line 7440 of file trigger_manager.c.

References DB_FETCH_QUERY_WRITE, db_get_string(), DB_IS_NULL, ER_FAILED, ml_ext_free(), db_objlist::next, NO_ERROR, NULL, obj_get(), obj_set(), db_objlist::op, sm_downcase_name(), sm_fetch_all_objects(), sm_find_class(), SM_MAX_IDENTIFIER_LENGTH, TR_CLASS_NAME, and ws_dirty().

int tr_get_depth ( void )

Definition at line 7106 of file trigger_manager.c.

References tr_Maximum_depth.

Referenced by do_get_trigger().

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bool tr_get_execution_state ( void )

Definition at line 7416 of file trigger_manager.c.

References tr_Execution_enabled.

Referenced by check_merge_trigger(), check_trigger(), do_run_update_query_for_class(), and sm_active_triggers().

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int tr_get_trace ( void )

Definition at line 7138 of file trigger_manager.c.

References tr_Trace.

Referenced by do_get_trigger().

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int tr_has_user_trigger ( bool * has_user_trigger )

Definition at line 5662 of file trigger_manager.c.

References assert, ASSERT_ERROR_AND_SET, error(), tr_triglist::next, NO_ERROR, NULL, tr_trigger::status, TR_EXECUTION_ENABLED, TR_STATUS_ACTIVE, tr_update_user_cache(), tr_User_triggers_valid, and tr_triglist::trigger.

Referenced by db_set_statement_auto_commit().

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void tr_init ( void )

Definition at line 7163 of file trigger_manager.c.

References mht_compare_ptrs_are_equal(), mht_create(), mht_ptrhash(), NULL, tr_Current_depth, TR_EST_MAP_SIZE, tr_Invalid_transaction, tr_Invalid_transaction_trigger, TR_MAX_RECURSION_LEVEL, tr_Maximum_depth, tr_Trace, tr_User_triggers_modified, and tr_User_triggers_valid.

Referenced by boot_initialize_client(), and boot_restart_client().

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int tr_install ( void )

Definition at line 7406 of file trigger_manager.c.

References define_trigger_classes().

Referenced by boot_initialize_client().

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int tr_is_trigger	(	DB_OBJECT *	trigger_object,
		int *	status
	)

Definition at line 6555 of file trigger_manager.c.

References error(), NO_ERROR, sm_find_class(), sm_get_class(), and TR_CLASS_NAME.

Referenced by help_print_obj().

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TR_SCHEMA_CACHE* tr_make_schema_cache	(	TR_CACHE_TYPE	type,
		DB_OBJLIST *	objects
	)

Definition at line 2258 of file trigger_manager.c.

References tr_schema_cache::array_length, tr_schema_cache::compiled, db_ws_alloc(), i, tr_schema_cache::next, NULL, tr_schema_cache::objects, TR_CACHE_CLASS, TR_MAX_ATTRIBUTE_TRIGGERS, TR_MAX_CLASS_TRIGGERS, tr_Schema_caches, and tr_schema_cache::triggers.

Referenced by alter_trigger_cache(), disk_to_attribute(), disk_to_class(), flatten_trigger_cache(), and tr_copy_schema_cache().

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static TR_TRIGGER * tr_make_trigger ( void )

static

Definition at line 388 of file trigger_manager.c.

References tr_trigger::action, ARG_FILE_LINE, tr_trigger::attribute, tr_trigger::chn, tr_trigger::class_attribute, tr_trigger::class_mop, tr_trigger::comment, tr_trigger::condition, tr_trigger::current_refname, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), tr_trigger::event, tr_trigger::name, NULL, NULL_CHN, tr_trigger::object, tr_trigger::owner, tr_trigger::priority, tr_trigger::status, tr_trigger::temp_refname, TR_EVENT_NULL, TR_LOWEST_PRIORITY, and TR_STATUS_INVALID.

Referenced by tr_create_trigger(), and tr_map_trigger().

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TR_TRIGGER* tr_map_trigger	(	DB_OBJECT *	object,
		int	fetch
	)

Definition at line 1829 of file trigger_manager.c.

References free_trigger(), mht_get(), mht_put(), NO_ERROR, NULL, object_to_trigger(), tr_make_trigger(), and validate_trigger().

Referenced by do_alter_trigger(), find_all_triggers(), get_user_trigger_objects(), trigger_description::init(), sch_trigger(), tr_add_cache_trigger(), tr_check_authorization(), tr_copy_schema_cache(), tr_delete_schema_cache(), tr_delete_triggers_for_class(), tr_drop_cache_trigger(), tr_drop_trigger(), tr_dump_selective_triggers(), tr_dump_trigger(), tr_find_trigger(), tr_rename_trigger(), tr_set_comment(), tr_set_priority(), tr_set_status(), tr_status_as_string(), tr_trigger_action(), tr_trigger_action_time(), tr_trigger_action_type(), tr_trigger_attribute(), tr_trigger_class(), tr_trigger_comment(), tr_trigger_condition(), tr_trigger_condition_time(), tr_trigger_event(), tr_trigger_name(), tr_trigger_priority(), tr_trigger_status(), tr_update_user_cache(), and tr_validate_schema_cache().

int tr_merge_schema_cache	(	TR_SCHEMA_CACHE *	destination,
		TR_SCHEMA_CACHE *	source
	)

Definition at line 2382 of file trigger_manager.c.

References error(), ml_add(), db_objlist::next, NO_ERROR, NULL, tr_schema_cache::objects, and db_objlist::op.

Referenced by flatten_trigger_cache().

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int tr_prepare_class	(	TR_STATE **	state_p,
		TR_SCHEMA_CACHE *	cache,
		MOP	class_mop,
		DB_TRIGGER_EVENT	event
	)

Definition at line 5452 of file trigger_manager.c.

References assert, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, er_errid(), error(), merge_trigger_list(), tr_trigger::name, NO_ERROR, NULL, start_state(), TR_EXECUTION_ENABLED, tr_validate_schema_cache(), tr_triglist::trigger, tr_state::triggers, and tr_schema_cache::triggers.

Referenced by obj_delete(), and obt_apply_assignments().

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int tr_prepare_statement	(	TR_STATE **	state_p,
		DB_TRIGGER_EVENT	event,
		DB_OBJECT *	class_mop,
		int	attcount,
		const char **	attnames
	)

Definition at line 5267 of file trigger_manager.c.

References ARG_FILE_LINE, assert, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, er_errid(), ER_ERROR_SEVERITY, ER_HEAP_UNKNOWN_OBJECT, ER_QPROC_INVALID_XASLNODE, er_set(), error(), i, merge_trigger_list(), tr_trigger::name, NO_ERROR, NULL, sm_get_trigger_cache(), start_state(), tr_free_trigger_list(), tr_validate_schema_cache(), tr_triglist::trigger, tr_state::triggers, and tr_schema_cache::triggers.

Referenced by check_merge_trigger(), and check_trigger().

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static char * tr_process_name ( const char * name_string )

static

Definition at line 307 of file trigger_manager.c.

References NULL, sm_check_name(), sm_downcase_name(), SM_MAX_IDENTIFIER_LENGTH, and strdup().

Referenced by tr_create_trigger(), and tr_rename_trigger().

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int tr_rename_trigger	(	DB_OBJECT *	trigger_object,
		const char *	name,
		bool	call_from_api
	)

Definition at line 6780 of file trigger_manager.c.

References ARG_FILE_LINE, ASSERT_ERROR, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_authorization(), db_make_string(), db_put_internal(), ER_ERROR_SEVERITY, ER_LK_UNILATERALLY_ABORTED, er_set(), ER_TR_TRIGGER_ALTER_FAILURE, error(), free_and_init, locator_flush_instance(), tr_trigger::name, NO_ERROR, NULL, strdup(), TM_TRAN_ISOLATION, TR_ATT_NAME, tr_map_trigger(), tr_process_name(), tran_abort_upto_system_savepoint(), TRAN_REP_READ, tran_system_savepoint(), trigger_table_rename(), and UNIQUE_SAVEPOINT_RENAME_TRIGGER.

Referenced by db_rename_trigger(), and do_rename_trigger().

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int tr_set_comment	(	DB_OBJECT *	trigger_object,
		const char *	comment,
		bool	call_from_api
	)

Definition at line 7038 of file trigger_manager.c.

References ARG_FILE_LINE, assert, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_authorization(), tr_trigger::comment, db_make_string_copy(), db_put_internal(), er_errid(), ER_ERROR_SEVERITY, ER_FAILED, er_set(), ER_TR_TRIGGER_ALTER_FAILURE, error(), free_and_init, tr_trigger::name, NO_ERROR, NULL, pr_clear_value(), strdup(), TR_ATT_COMMENT, and tr_map_trigger().

Referenced by do_alter_trigger().

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int tr_set_depth ( int depth )

Definition at line 7117 of file trigger_manager.c.

References ARG_FILE_LINE, ER_ERROR_SEVERITY, er_set(), ER_TR_MAX_DEPTH_TOO_BIG, NO_ERROR, TR_MAX_RECURSION_LEVEL, and tr_Maximum_depth.

Referenced by do_set_trigger().

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bool tr_set_execution_state ( bool new_state )

Definition at line 7430 of file trigger_manager.c.

References tr_Execution_enabled.

Referenced by db_disable_trigger(), db_enable_trigger(), do_run_update_query_for_class(), and sm_truncate_using_delete().

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int tr_set_priority	(	DB_OBJECT *	trigger_object,
		double	priority,
		bool	call_from_api
	)

Definition at line 6969 of file trigger_manager.c.

References ARG_FILE_LINE, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_authorization(), tr_trigger::class_mop, db_make_double(), db_put_internal(), ER_ERROR_SEVERITY, er_set(), ER_TR_TRIGGER_ALTER_FAILURE, error(), tr_trigger::name, NO_ERROR, NULL, tr_trigger::priority, reorder_schema_caches(), TR_ATT_PRIORITY, tr_map_trigger(), and tr_update_user_cache().

Referenced by db_alter_trigger_priority(), and do_alter_trigger().

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int tr_set_status	(	DB_OBJECT *	trigger_object,
		DB_TRIGGER_STATUS	status,
		bool	call_from_api
	)

Definition at line 6902 of file trigger_manager.c.

References ARG_FILE_LINE, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, check_authorization(), tr_trigger::class_mop, db_make_int(), db_put_internal(), ER_ERROR_SEVERITY, er_set(), ER_TR_TRIGGER_ALTER_FAILURE, error(), tr_trigger::name, NO_ERROR, NULL, sm_invalidate_trigger_cache(), tr_trigger::status, TR_ATT_STATUS, and tr_map_trigger().

Referenced by db_alter_trigger_status(), and do_alter_trigger().

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int tr_set_trace ( bool trace )

Definition at line 7149 of file trigger_manager.c.

References NO_ERROR, and tr_Trace.

Referenced by do_set_trigger().

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const char* tr_status_as_string ( DB_TRIGGER_STATUS status )

Definition at line 6668 of file trigger_manager.c.

References assert, Au_root, tr_trigger::class_mop, db_get_object(), db_get_set(), DB_IS_NULL, DB_TYPE_OBJECT, DB_VALUE_TYPE, er_errid(), error(), get_user_name(), i, max, tr_trigger::name, NO_ERROR, NULL, obj_get(), tr_trigger::owner, set_filter(), set_free(), set_get_element(), set_size(), sm_is_system_class(), tr_trigger::status, tr_dump_trigger(), tr_map_trigger(), TR_STATUS_ACTIVE, TR_STATUS_INACTIVE, and TR_STATUS_INVALID.

Referenced by trigger_description::init(), and tr_dump_trigger().

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const char* tr_time_as_string ( DB_TRIGGER_TIME time )

Definition at line 6583 of file trigger_manager.c.

References TR_TIME_AFTER, TR_TIME_BEFORE, and TR_TIME_DEFERRED.

Referenced by object_printer::describe_trigger_action_time(), object_printer::describe_trigger_condition_time(), and tr_dump_trigger().

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int tr_trigger_action	(	DB_OBJECT *	trigger_object,
		char **	action
	)

Definition at line 6393 of file trigger_manager.c.

References tr_trigger::action, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), NO_ERROR, NULL, tr_activity::source, TR_ACT_EXPRESSION, TR_ACT_INVALIDATE, TR_ACT_NULL, TR_ACT_PRINT, TR_ACT_REJECT, tr_map_trigger(), TR_MAX_PRINT_STRING, tr_activity::type, and ws_copy_string().

Referenced by db_trigger_action().

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int tr_trigger_action_time	(	DB_OBJECT *	trigger_object,
		DB_TRIGGER_TIME *	tr_time
	)

Definition at line 6456 of file trigger_manager.c.

References tr_trigger::action, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), NO_ERROR, NULL, tr_activity::time, tr_map_trigger(), and TR_TIME_NULL.

Referenced by db_trigger_action_time().

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int tr_trigger_action_type	(	DB_OBJECT *	trigger_object,
		DB_TRIGGER_ACTION *	type
	)

Definition at line 6490 of file trigger_manager.c.

References tr_trigger::action, ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), NO_ERROR, NULL, TR_ACT_NULL, tr_map_trigger(), and tr_activity::type.

Referenced by db_trigger_action_type().

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int tr_trigger_attribute	(	DB_OBJECT *	trigger_object,
		char **	attribute
	)

Definition at line 6286 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, tr_trigger::attribute, AU_DISABLE, AU_ENABLE, error(), NO_ERROR, NULL, tr_map_trigger(), and ws_copy_string().

Referenced by db_trigger_attribute().

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int tr_trigger_class	(	DB_OBJECT *	trigger_object,
		DB_OBJECT **	class_mop_p
	)

Definition at line 6250 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, tr_trigger::class_mop, error(), NO_ERROR, NULL, and tr_map_trigger().

Referenced by db_trigger_class().

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int tr_trigger_comment	(	DB_OBJECT *	trigger_object,
		char **	comment
	)

Definition at line 6525 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, tr_trigger::comment, error(), NO_ERROR, NULL, tr_map_trigger(), and ws_copy_string().

Referenced by db_trigger_comment().

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int tr_trigger_condition	(	DB_OBJECT *	trigger_object,
		char **	condition
	)

Definition at line 6322 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, tr_trigger::condition, error(), NO_ERROR, NULL, tr_activity::source, TR_ACT_EXPRESSION, tr_map_trigger(), tr_activity::type, and ws_copy_string().

Referenced by db_trigger_condition().

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int tr_trigger_condition_time	(	DB_OBJECT *	trigger_object,
		DB_TRIGGER_TIME *	tr_time
	)

Definition at line 6358 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, tr_trigger::condition, error(), NO_ERROR, NULL, tr_activity::time, tr_map_trigger(), and TR_TIME_NULL.

Referenced by db_trigger_condition_time().

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int tr_trigger_event	(	DB_OBJECT *	trigger_object,
		DB_TRIGGER_EVENT *	event
	)

Definition at line 6214 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), tr_trigger::event, NO_ERROR, NULL, TR_EVENT_NULL, and tr_map_trigger().

Referenced by db_trigger_event(), and get_user_trigger_objects().

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int tr_trigger_name	(	DB_OBJECT *	trigger_object,
		char **	name
	)

Definition at line 6109 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), tr_trigger::name, NO_ERROR, NULL, tr_map_trigger(), and ws_copy_string().

Referenced by db_trigger_name(), and help_trigger_names().

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int tr_trigger_priority	(	DB_OBJECT *	trigger_object,
		double *	priority
	)

Definition at line 6179 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), NO_ERROR, NULL, tr_trigger::priority, TR_LOWEST_PRIORITY, and tr_map_trigger().

Referenced by db_trigger_priority().

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int tr_trigger_status	(	DB_OBJECT *	trigger_object,
		DB_TRIGGER_STATUS *	status
	)

Definition at line 6144 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, AU_DISABLE, AU_ENABLE, error(), NO_ERROR, NULL, tr_trigger::status, tr_map_trigger(), and TR_STATUS_INACTIVE.

Referenced by db_trigger_status().

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int tr_unmap_trigger ( TR_TRIGGER * trigger )

Definition at line 1879 of file trigger_manager.c.

References ASSERT_ERROR_AND_SET, error(), mht_rem(), NO_ERROR, NULL, and tr_trigger::object.

Referenced by tr_drop_trigger_internal().

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int tr_update_user_cache ( void )

Definition at line 2146 of file trigger_manager.c.

References assert, Au_user, db_get_object(), db_get_set(), DB_IS_NULL, DB_TYPE_OBJECT, DB_VALUE_TYPE, er_errid(), error(), i, insert_trigger_list(), max, NO_ERROR, NULL, obj_get(), set_filter(), set_free(), set_get_element(), set_size(), tr_free_trigger_list(), tr_invalidate_user_cache(), tr_map_trigger(), and tr_User_triggers_valid.

Referenced by register_user_trigger(), run_user_triggers(), tr_has_user_trigger(), tr_set_priority(), and unregister_user_trigger().

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int tr_validate_schema_cache	(	TR_SCHEMA_CACHE *	cache,
		MOP	class_mop
	)

Definition at line 2602 of file trigger_manager.c.

References tr_schema_cache::array_length, ASSERT_ERROR_AND_SET, tr_trigger::class_mop, tr_schema_cache::compiled, er_errid(), ER_HEAP_UNKNOWN_OBJECT, ER_IS_ABORTED_DUE_TO_DEADLOCK, error(), tr_trigger::event, i, insert_trigger_list(), ml_free(), db_objlist::next, NO_ERROR, NULL, tr_schema_cache::objects, db_objlist::op, sm_find_subclass_in_hierarchy(), tr_free_trigger_list(), tr_map_trigger(), tr_validate_schema_cache(), tr_schema_cache::triggers, and ws_mop_compare().

Referenced by get_schema_trigger_objects(), tr_active_schema_cache(), tr_delete_triggers_for_class(), tr_prepare_class(), tr_prepare_statement(), and tr_validate_schema_cache().

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static int trigger_table_add	(	const char *	name,
		DB_OBJECT *	trigger
	)

static

Definition at line 2994 of file trigger_manager.c.

References ARG_FILE_LINE, AU_DISABLE, AU_ENABLE, Au_root, db_get_set(), DB_IS_NULL, db_make_object(), db_make_sequence(), db_make_string_copy(), er_errid(), ER_ERROR_SEVERITY, ER_GENERIC_ERROR, er_set(), error(), max, NO_ERROR, NULL, obj_get(), obj_inst_lock(), obj_set(), pr_clear_value(), set_create_sequence(), set_free(), set_put_element(), and set_size().

Referenced by tr_create_trigger().

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static int trigger_table_drop ( const char * name )

static

Definition at line 3308 of file trigger_manager.c.

References ARG_FILE_LINE, AU_DISABLE, AU_ENABLE, Au_root, COMPARE_TRIGGER_NAMES, db_get_set(), db_get_string(), DB_IS_NULL, DB_TYPE_STRING, DB_VALUE_TYPE, ER_ERROR_SEVERITY, er_set(), ER_TR_TRIGGER_NOT_FOUND, error(), i, max, NO_ERROR, NULL, obj_get(), obj_inst_lock(), pr_clear_value(), set_drop_seq_element(), set_filter(), set_free(), set_get_element(), and set_size().

Referenced by tr_create_trigger(), and tr_drop_trigger_internal().

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static int trigger_table_find	(	const char *	name,
		DB_OBJECT **	trigger_p
	)

static

Definition at line 3121 of file trigger_manager.c.

References Au_root, COMPARE_TRIGGER_NAMES, db_get_object(), db_get_set(), db_get_string(), DB_IS_NULL, DB_TYPE_OBJECT, DB_TYPE_STRING, DB_VALUE_TYPE, error(), i, max, NO_ERROR, NULL, obj_get(), pr_clear_value(), set_filter(), set_free(), set_get_element(), and set_size().

Referenced by check_semantics(), tr_find_trigger(), and trigger_table_rename().

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static int trigger_table_rename	(	DB_OBJECT *	trigger_object,
		const char *	newname
	)

static

Definition at line 3208 of file trigger_manager.c.

References ARG_FILE_LINE, assert, AU_DISABLE, AU_ENABLE, Au_root, db_get_object(), db_get_set(), DB_IS_NULL, db_make_string_copy(), DB_TYPE_OBJECT, DB_VALUE_TYPE, er_errid(), ER_ERROR_SEVERITY, er_set(), ER_TR_INTERNAL_ERROR, ER_TR_TRIGGER_EXISTS, ER_TR_TRIGGER_NOT_FOUND, error(), i, max, NO_ERROR, NULL, obj_get(), obj_inst_lock(), pr_clear_value(), set_filter(), set_free(), set_get_element(), set_put_element(), set_size(), and trigger_table_find().

Referenced by tr_rename_trigger().

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static DB_OBJECT * trigger_to_object ( TR_TRIGGER * trigger )

static

Definition at line 1002 of file trigger_manager.c.

References tr_trigger::action, tr_trigger::attribute, AU_DISABLE, AU_ENABLE, au_fetch_instance_force(), AU_FETCH_READ, tr_trigger::chn, tr_trigger::class_attribute, tr_trigger::class_mop, tr_trigger::comment, tr_trigger::condition, db_find_class(), db_make_float(), db_make_int(), db_make_object(), db_make_string(), db_make_string_copy(), dbt_abort_object(), dbt_create_object_internal(), dbt_finish_object(), dbt_put_internal(), err, error(), tr_trigger::event, LC_FETCH_DIRTY_VERSION, tr_trigger::name, NO_ERROR, NULL, tr_trigger::object, tr_trigger::owner, pr_clear_value(), tr_trigger::priority, tr_activity::source, tr_trigger::status, tr_activity::time, TR_ATT_ACTION, TR_ATT_ACTION_OLD, TR_ATT_ACTION_TIME, TR_ATT_ACTION_TYPE, TR_ATT_ATTRIBUTE, TR_ATT_CLASS, TR_ATT_CLASS_ATTRIBUTE, TR_ATT_COMMENT, TR_ATT_CONDITION, TR_ATT_CONDITION_TIME, TR_ATT_CONDITION_TYPE, TR_ATT_EVENT, TR_ATT_NAME, TR_ATT_OWNER, TR_ATT_PRIORITY, TR_ATT_STATUS, TR_CLASS_NAME, tr_activity::type, and WS_CHN.

Referenced by tr_create_trigger().

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static int unregister_user_trigger	(	TR_TRIGGER *	trigger,
		int	rollback
	)

static

Definition at line 1988 of file trigger_manager.c.

References AU_DISABLE, AU_ENABLE, Au_user, db_get_set(), DB_IS_NULL, db_make_object(), error(), NO_ERROR, NULL, obj_get(), obj_inst_lock(), tr_trigger::object, remove_trigger_list(), set_drop_element(), set_free(), tr_update_user_cache(), and tr_User_triggers_modified.

Referenced by tr_drop_trigger_internal().

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static int validate_trigger ( TR_TRIGGER * trigger )

static

Definition at line 1755 of file trigger_manager.c.

References tr_trigger::action, ASSERT_ERROR_AND_SET, au_fetch_instance_force(), AU_FETCH_READ, tr_trigger::chn, compile_trigger_activity(), tr_trigger::condition, er_errid(), ER_IS_ABORTED_DUE_TO_DEADLOCK, error(), NO_ERROR, tr_trigger::object, object_to_trigger(), tr_trigger::status, TM_TRAN_READ_FETCH_VERSION, tr_clear_trigger(), TR_STATUS_INVALID, and WS_CHN.

Referenced by tr_map_trigger().

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static bool value_as_boolean ( DB_VALUE * value )

static

Definition at line 4518 of file trigger_manager.c.

References db_monetary::amount, db_datetime::date, db_datetimetz::datetime, db_get_bigint(), db_get_date(), db_get_datetime(), db_get_datetimetz(), db_get_double(), db_get_float(), db_get_int(), db_get_monetary(), db_get_short(), db_get_time(), db_get_timestamp(), db_get_timestamptz(), DB_TYPE_BIGINT, DB_TYPE_DATE, DB_TYPE_DATETIME, DB_TYPE_DATETIMELTZ, DB_TYPE_DATETIMETZ, DB_TYPE_DOUBLE, DB_TYPE_FLOAT, DB_TYPE_INTEGER, DB_TYPE_MONETARY, DB_TYPE_NULL, DB_TYPE_SHORT, DB_TYPE_TIME, DB_TYPE_TIMESTAMP, DB_TYPE_TIMESTAMPLTZ, DB_TYPE_TIMESTAMPTZ, DB_VALUE_TYPE, db_datetime::time, and db_timestamptz::timestamp.

Referenced by eval_condition().

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Variable Documentation

const char* EVAL_PREFIX = "EVALUATE ( "

static

Definition at line 127 of file trigger_manager.c.

Referenced by compile_trigger_activity().

const char* EVAL_SUFFIX = " ) "

static

Definition at line 128 of file trigger_manager.c.

Referenced by compile_trigger_activity().

const char* NEW_REFERENCE_NAME = "new"

static

Definition at line 118 of file trigger_manager.c.

Referenced by get_reference_names(), and tr_check_correlation().

const char* OBJ_REFERENCE_NAME = "obj"

static

Definition at line 117 of file trigger_manager.c.

Referenced by get_reference_names().

const char* OLD_REFERENCE_NAME = "old"

static

Definition at line 119 of file trigger_manager.c.

Referenced by get_reference_names().

const char* TR_ATT_ACTION = "action_definition"

Definition at line 144 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_ACTION_OLD = "action"

Definition at line 145 of file trigger_manager.c.

Referenced by object_to_trigger(), and trigger_to_object().

const char* TR_ATT_ACTION_TIME = "action_time"

Definition at line 143 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_ACTION_TYPE = "action_type"

Definition at line 142 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_ATTRIBUTE = "target_attribute"

Definition at line 137 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_CLASS = "target_class"

Definition at line 136 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_CLASS_ATTRIBUTE = "target_class_attribute"

Definition at line 138 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_COMMENT = "comment"

Definition at line 147 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), tr_set_comment(), and trigger_to_object().

const char* TR_ATT_CONDITION = "condition"

Definition at line 141 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_CONDITION_TIME = "condition_time"

Definition at line 140 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_CONDITION_TYPE = "condition_type"

Definition at line 139 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_EVENT = "event"

Definition at line 133 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_NAME = "name"

Definition at line 131 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), tr_rename_trigger(), and trigger_to_object().

const char* TR_ATT_OWNER = "owner"

Definition at line 132 of file trigger_manager.c.

Referenced by au_change_trigger_owner(), define_trigger_classes(), object_to_trigger(), and trigger_to_object().

const char* TR_ATT_PRIORITY = "priority"

Definition at line 135 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), tr_set_priority(), and trigger_to_object().

const char* TR_ATT_PROPERTIES = "properties"

Definition at line 146 of file trigger_manager.c.

const char* TR_ATT_STATUS = "status"

Definition at line 134 of file trigger_manager.c.

Referenced by define_trigger_classes(), object_to_trigger(), tr_delete_schema_cache(), tr_set_status(), and trigger_to_object().

const char* TR_CLASS_NAME = "db_trigger"

Definition at line 130 of file trigger_manager.c.

Referenced by boot_define_view_trigger(), define_trigger_classes(), tr_get_class_name(), tr_is_trigger(), and trigger_to_object().

int tr_Current_depth = 0

Definition at line 149 of file trigger_manager.c.

Referenced by check_merge_trigger(), check_trigger(), eval_action(), start_state(), tr_finish(), and tr_init().

TR_DEFERRED_CONTEXT* tr_Deferred_activities = NULL

Definition at line 158 of file trigger_manager.c.

TR_DEFERRED_CONTEXT* tr_Deferred_activities_tail = NULL

Definition at line 159 of file trigger_manager.c.

Referenced by add_deferred_activities(), add_deferred_activity_context(), and remove_deferred_context().

const int TR_EST_MAP_SIZE = 1024

static

Definition at line 115 of file trigger_manager.c.

Referenced by tr_init().

bool tr_Execution_enabled = true

static

Definition at line 172 of file trigger_manager.c.

Referenced by tr_get_execution_state(), and tr_set_execution_state().

bool tr_Invalid_transaction = false

Definition at line 153 of file trigger_manager.c.

Referenced by eval_action(), tr_check_abort_triggers(), tr_check_commit_triggers(), tr_check_rollback_triggers(), and tr_init().

char tr_Invalid_transaction_trigger[SM_MAX_IDENTIFIER_LENGTH+2]

Definition at line 154 of file trigger_manager.c.

Referenced by eval_action(), tr_check_commit_triggers(), and tr_init().

int tr_Maximum_depth = TR_MAX_RECURSION_LEVEL

Definition at line 150 of file trigger_manager.c.

Referenced by start_state(), tr_get_depth(), tr_init(), and tr_set_depth().

MHT_TABLE* tr_object_map = NULL

static

Definition at line 184 of file trigger_manager.c.

const int TR_RETURN_ERROR = -1

static

Definition at line 103 of file trigger_manager.c.

Referenced by execute_activity(), run_user_triggers(), tr_execute_activities(), and tr_execute_deferred_activities().

const int TR_RETURN_FALSE = 0

static

Definition at line 104 of file trigger_manager.c.

Referenced by execute_activity().

const int TR_RETURN_TRUE = 1

static

Definition at line 105 of file trigger_manager.c.

Referenced by execute_activity(), run_user_triggers(), tr_execute_activities(), and tr_execute_deferred_activities().

TR_SCHEMA_CACHE* tr_Schema_caches = NULL

static

Definition at line 166 of file trigger_manager.c.

Referenced by tr_make_schema_cache().

OID tr_Stack[TR_MAX_RECURSION_LEVEL+1]

Definition at line 151 of file trigger_manager.c.

bool tr_Trace = true

Definition at line 156 of file trigger_manager.c.

Referenced by eval_action(), eval_condition(), tr_get_trace(), tr_init(), and tr_set_trace().

TR_TRIGLIST* tr_Uncommitted_triggers = NULL

static

Definition at line 165 of file trigger_manager.c.

TR_TRIGLIST* tr_User_triggers = NULL

static

Definition at line 163 of file trigger_manager.c.

int tr_User_triggers_modified = 0

static

Definition at line 162 of file trigger_manager.c.

Referenced by register_user_trigger(), tr_check_commit_triggers(), tr_check_rollback_triggers(), tr_init(), and unregister_user_trigger().

int tr_User_triggers_valid = 0

static

Definition at line 161 of file trigger_manager.c.

Referenced by run_user_triggers(), tr_check_rollback_triggers(), tr_has_user_trigger(), tr_init(), and tr_update_user_cache().

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Variables

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