#include <assert.h>
#include "partition_sr.h"
#include "dbtype.h"
#include "fetch.h"
#include "heap_file.h"
#include "object_primitive.h"
#include "object_representation.h"
#include "query_aggregate.hpp"
#include "query_executor.h"
#include "query_opfunc.h"
#include "stream_to_xasl.h"
#include "xasl.h"
#include "xasl_predicate.hpp"
#include "xasl_unpack_info.hpp"

Include dependency graph for partition.c:

Classes
struct	pruning_bitset

struct	pruning_bitset_iterator

struct	partition_cache_entry

Macros
#define	NELEMENTS 1024 /* maximum number of partitions */

#define	_WORDSIZE 8 * sizeof(int)

#define	MAX_ELEMENTS 1024

#define	BITSET_WORD_SIZE sizeof (unsigned int)

#define	BITS_IN_WORD (8 * BITSET_WORD_SIZE)

#define	BITSET_WORD_COUNT (MAX_ELEMENTS / BITS_IN_WORD)

#define	BITSET_LENGTH(s) ((((s)->count - 1) / BITS_IN_WORD)+1)

#define	PARTITIONS_COUNT(pinfo) (((pinfo) == NULL) ? 0 : (pinfo)->count - 1)

#define	PARTITION_CACHE_NAME "Partitions_Cache"

#define	PARTITION_CACHE_SIZE 200

#define	PARTITION_IS_CACHE_INITIALIZED() (db_Partition_Ht != NULL)

Typedefs
typedef enum match_status	MATCH_STATUS

typedef enum pruning_op	PRUNING_OP

typedef struct pruning_bitset	PRUNING_BITSET

typedef struct pruning_bitset_iterator	PRUNING_BITSET_ITERATOR

typedef struct partition_cache_entry	PARTITION_CACHE_ENTRY

Enumerations
enum	match_status { MATCH_OK, MATCH_NOT_FOUND }

enum	pruning_op { PO_INVALID = 0, PO_LT, PO_LE, PO_GT, PO_GE, PO_EQ, PO_NE, PO_IN, PO_NOT_IN, PO_IS_NULL }

Functions
static void	pruningset_init (PRUNING_BITSET *, int)

static void	pruningset_set_all (PRUNING_BITSET *)

static void	pruningset_copy (PRUNING_BITSET , const PRUNING_BITSET )

static void	pruningset_add (PRUNING_BITSET *, int)

static void	pruningset_remove (PRUNING_BITSET *, int)

static void	pruningset_intersect (PRUNING_BITSET , const PRUNING_BITSET )

static void	pruningset_union (PRUNING_BITSET , const PRUNING_BITSET )

static bool	pruningset_is_set (const PRUNING_BITSET *, int)

static int	pruningset_popcount (const PRUNING_BITSET *)

static void	pruningset_iterator_init (const PRUNING_BITSET , PRUNING_BITSET_ITERATOR )

static int	pruningset_iterator_next (PRUNING_BITSET_ITERATOR *)

static int	pruningset_to_spec_list (PRUNING_CONTEXT pinfo, const PRUNING_BITSET pruned)

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

static int	partition_free_cache_entry (PARTITION_CACHE_ENTRY *entry)

static int	partition_cache_pruning_context (PRUNING_CONTEXT pinfo, bool already_exists)

static bool	partition_load_context_from_cache (PRUNING_CONTEXT pinfo, bool is_modified)

static int	partition_cache_entry_to_pruning_context (PRUNING_CONTEXT pinfo, PARTITION_CACHE_ENTRY entry_p)

static PARTITION_CACHE_ENTRY *	partition_pruning_context_to_cache_entry (PRUNING_CONTEXT *pinfo)

static PRUNING_OP	partition_rel_op_to_pruning_op (REL_OP op)

static int	partition_load_partition_predicate (PRUNING_CONTEXT pinfo, OR_PARTITION master)

static void	partition_free_partition_predicate (PRUNING_CONTEXT *pinfo)

static void	partition_set_specified_partition (PRUNING_CONTEXT pinfo, const OID partition_oid)

static int	partition_get_position_in_key (PRUNING_CONTEXT pinfo, BTID btid)

static ATTR_ID	partition_get_attribute_id (REGU_VARIABLE *regu_var)

static void	partition_set_cache_info_for_expr (REGU_VARIABLE regu_var, ATTR_ID attr_id, HEAP_CACHE_ATTRINFO info)

static MATCH_STATUS	partition_match_pred_expr (PRUNING_CONTEXT pinfo, const PRED_EXPR pr, PRUNING_BITSET *pruned)

static MATCH_STATUS	partition_match_index_key (PRUNING_CONTEXT pinfo, const KEY_INFO key, RANGE_TYPE range_type, PRUNING_BITSET *pruned)

static MATCH_STATUS	partition_match_key_range (PRUNING_CONTEXT pinfo, const KEY_RANGE range, PRUNING_BITSET *pruned)

static bool	partition_do_regu_variables_match (PRUNING_CONTEXT pinfo, const REGU_VARIABLE left, const REGU_VARIABLE *right)

static MATCH_STATUS	partition_prune (PRUNING_CONTEXT pinfo, const REGU_VARIABLE arg, const PRUNING_OP op, PRUNING_BITSET *pruned)

static MATCH_STATUS	partition_prune_db_val (PRUNING_CONTEXT pinfo, const DB_VALUE val, const PRUNING_OP op, PRUNING_BITSET *pruned)

static int	partition_get_value_from_key (PRUNING_CONTEXT pinfo, const REGU_VARIABLE key, DB_VALUE attr_key, bool is_present)

static int	partition_get_value_from_inarith (PRUNING_CONTEXT pinfo, const REGU_VARIABLE src, DB_VALUE value_p, bool is_present)

static int	partition_get_value_from_regu_var (PRUNING_CONTEXT pinfo, const REGU_VARIABLE key, DB_VALUE value_p, bool is_value)

static MATCH_STATUS	partition_prune_range (PRUNING_CONTEXT pinfo, const DB_VALUE val, const PRUNING_OP op, PRUNING_BITSET *pruned)

static MATCH_STATUS	partition_prune_list (PRUNING_CONTEXT pinfo, const DB_VALUE val, const PRUNING_OP op, PRUNING_BITSET *pruned)

static MATCH_STATUS	partition_prune_hash (PRUNING_CONTEXT pinfo, const DB_VALUE val, const PRUNING_OP op, PRUNING_BITSET *pruned)

static int	partition_find_partition_for_record (PRUNING_CONTEXT pinfo, const OID class_oid, RECDES recdes, OID partition_oid, HFID *partition_hfid)

static int	partition_prune_heap_scan (PRUNING_CONTEXT *pinfo)

static int	partition_prune_index_scan (PRUNING_CONTEXT *pinfo)

static int	partition_find_inherited_btid (THREAD_ENTRY thread_p, OID src_class, OID dest_class, BTID src_btid, BTID *dest_btid)

static int	partition_attrinfo_get_key (THREAD_ENTRY thread_p, PRUNING_CONTEXT pcontext, DB_VALUE curr_key, OID class_oid, BTID btid, DB_VALUE partition_key)

static bool	partition_decrement_value (DB_VALUE *val)

int	partition_cache_init (THREAD_ENTRY *thread_p)

void	partition_cache_finalize (THREAD_ENTRY *thread_p)

void	partition_decache_class (THREAD_ENTRY thread_p, const OID class_oid)

static bool	partition_is_reguvar_const (const REGU_VARIABLE *regu_var)

void	partition_init_pruning_context (PRUNING_CONTEXT *pinfo)

int	partition_find_root_class_oid (THREAD_ENTRY thread_p, const OID class_oid, OID *super_oid)

int	partition_load_pruning_context (THREAD_ENTRY thread_p, const OID class_oid, int pruning_type, PRUNING_CONTEXT *pinfo)

void	partition_clear_pruning_context (PRUNING_CONTEXT *pinfo)

int	partition_prune_spec (THREAD_ENTRY thread_p, val_descr vd, access_spec_node *spec)

int	partition_prune_insert (THREAD_ENTRY thread_p, const OID class_oid, RECDES recdes, HEAP_SCANCACHE scan_cache, PRUNING_CONTEXT pcontext, int pruning_type, OID pruned_class_oid, HFID pruned_hfid, OID superclass_oid)

int	partition_prune_update (THREAD_ENTRY thread_p, const OID class_oid, RECDES recdes, PRUNING_CONTEXT pcontext, int pruning_type, OID pruned_class_oid, HFID pruned_hfid, OID *superclass_oid)

PRUNING_SCAN_CACHE *	partition_get_scancache (PRUNING_CONTEXT pcontext, const OID partition_oid)

PRUNING_SCAN_CACHE *	partition_new_scancache (PRUNING_CONTEXT *pcontext)

int	partition_get_partition_oids (THREAD_ENTRY thread_p, const OID class_oid, OID *partition_oids, int count)

int	partition_prune_unique_btid (PRUNING_CONTEXT pcontext, DB_VALUE key, OID class_oid, HFID class_hfid, BTID *btid)

int	partition_load_aggregate_helper (PRUNING_CONTEXT pcontext, access_spec_node spec, int pruned_count, BTID root_btid, HIERARCHY_AGGREGATE_HELPER helper)

int	partition_prune_partition_index (PRUNING_CONTEXT pcontext, DB_VALUE key, OID class_oid, BTID btid, int *position)

Variables
static MHT_TABLE *	db_Partition_Ht = NULL

Macro Definition Documentation

#define _WORDSIZE 8 * sizeof(int)

Definition at line 60 of file partition.c.

#define BITS_IN_WORD (8 * BITSET_WORD_SIZE)

Definition at line 64 of file partition.c.

Referenced by pruningset_add(), pruningset_is_set(), pruningset_iterator_next(), and pruningset_remove().

#define BITSET_LENGTH ( s ) ((((s)->count - 1) / BITS_IN_WORD)+1)

Definition at line 66 of file partition.c.

Referenced by pruningset_copy(), pruningset_intersect(), pruningset_iterator_next(), pruningset_popcount(), and pruningset_union().

#define BITSET_WORD_COUNT (MAX_ELEMENTS / BITS_IN_WORD)

Definition at line 65 of file partition.c.

Referenced by pruningset_init(), and pruningset_set_all().

#define BITSET_WORD_SIZE sizeof (unsigned int)

Definition at line 63 of file partition.c.

Referenced by pruningset_init(), and pruningset_set_all().

#define MAX_ELEMENTS 1024

Definition at line 62 of file partition.c.

#define NELEMENTS 1024 /* maximum number of partitions */

Definition at line 59 of file partition.c.

#define PARTITION_CACHE_NAME "Partitions_Cache"

Definition at line 84 of file partition.c.

Referenced by partition_cache_init().

#define PARTITION_CACHE_SIZE 200

Definition at line 85 of file partition.c.

Referenced by partition_cache_init().

#define PARTITION_IS_CACHE_INITIALIZED ( ) (db_Partition_Ht != NULL)

Definition at line 90 of file partition.c.

Referenced by partition_cache_finalize(), partition_cache_init(), partition_cache_pruning_context(), partition_decache_class(), and partition_load_context_from_cache().

#define PARTITIONS_COUNT ( pinfo ) (((pinfo) == NULL) ? 0 : (pinfo)->count - 1)

Definition at line 82 of file partition.c.

Referenced by partition_find_partition_for_record(), partition_get_partition_oids(), partition_match_index_key(), partition_match_key_range(), partition_match_pred_expr(), partition_prune_hash(), partition_prune_heap_scan(), partition_prune_index_scan(), partition_prune_list(), partition_prune_partition_index(), partition_prune_range(), and partition_set_specified_partition().

Typedef Documentation

typedef enum match_status MATCH_STATUS

typedef struct partition_cache_entry PARTITION_CACHE_ENTRY

Definition at line 92 of file partition.c.

typedef struct pruning_bitset PRUNING_BITSET

Definition at line 68 of file partition.c.

typedef struct pruning_bitset_iterator PRUNING_BITSET_ITERATOR

Definition at line 75 of file partition.c.

typedef enum pruning_op PRUNING_OP

Enumeration Type Documentation

enum match_status

Enumerator
MATCH_OK
MATCH_NOT_FOUND

Definition at line 39 of file partition.c.

enum pruning_op

Enumerator
PO_INVALID
PO_LT
PO_LE
PO_GT
PO_GE
PO_EQ
PO_NE
PO_IN
PO_NOT_IN
PO_IS_NULL

Definition at line 45 of file partition.c.

Function Documentation

static int partition_attrinfo_get_key	(	THREAD_ENTRY *	thread_p,
		PRUNING_CONTEXT *	pcontext,
		DB_VALUE *	curr_key,
		OID *	class_oid,
		BTID *	btid,
		DB_VALUE *	partition_key
	)

static

Definition at line 3826 of file partition.c.

References pruning_context::attr_id, pruning_context::attr_info, btree_attrinfo_read_dbvalues(), btree_read_key_type(), cleanup(), db_value::data, DB_PARTITIONED_CLASS, db_private_free_and_init, DB_TYPE_MIDXKEY, DB_VALUE_TYPE, db_midxkey::domain, ER_FAILED, error(), func_pred::func_regu, heap_attrinfo_start(), heap_get_indexinfo_of_btid(), pruning_context::is_attr_info_inited, db_data::midxkey, NO_ERROR, NULL, partition_clear_pruning_context(), partition_init_pruning_context(), partition_load_pruning_context(), pruning_context::partition_pred, partition_set_cache_info_for_expr(), pr_clone_value(), and pruning_context::root_oid.

Referenced by partition_prune_partition_index().

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static int partition_cache_entry_to_pruning_context	(	PRUNING_CONTEXT *	pinfo,
		PARTITION_CACHE_ENTRY *	entry_p
	)

static

Definition at line 447 of file partition.c.

References ARG_FILE_LINE, assert, pruning_context::attr_id, partition_cache_entry::attr_id, pruning_context::count, partition_cache_entry::count, ER_ERROR_SEVERITY, ER_FAILED, ER_GENERIC_ERROR, er_set(), pruning_context::error_code, NO_ERROR, NULL, pruning_context::partition_type, or_partition::partition_type, pruning_context::partitions, and partition_cache_entry::partitions.

Referenced by partition_load_context_from_cache().

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void partition_cache_finalize ( THREAD_ENTRY * thread_p )

Definition at line 748 of file partition.c.

References ARG_FILE_LINE, csect_enter, csect_exit, CSECT_PARTITION_CACHE, er_log_debug, INF_WAIT, mht_destroy(), mht_map(), NO_ERROR, NULL, partition_free_cache_entry_kv(), and PARTITION_IS_CACHE_INITIALIZED.

Referenced by boot_server_all_finalize().

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int partition_cache_init ( THREAD_ENTRY * thread_p )

Definition at line 711 of file partition.c.

References ARG_FILE_LINE, cleanup(), csect_enter, csect_exit, CSECT_PARTITION_CACHE, ER_FAILED, er_log_debug, error(), INF_WAIT, mht_create(), NO_ERROR, NULL, oid_compare_equals(), oid_hash(), PARTITION_CACHE_NAME, PARTITION_CACHE_SIZE, and PARTITION_IS_CACHE_INITIALIZED.

Referenced by boot_restart_server().

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static int partition_cache_pruning_context	(	PRUNING_CONTEXT *	pinfo,
		bool *	already_exists
	)

static

Definition at line 575 of file partition.c.

References assert, partition_cache_entry::class_oid, csect_enter, csect_exit, CSECT_PARTITION_CACHE, ER_FAILED, INF_WAIT, log_is_class_being_modified(), mht_put_if_not_exists(), NO_ERROR, NULL, partition_free_cache_entry(), PARTITION_IS_CACHE_INITIALIZED, partition_pruning_context_to_cache_entry(), pruning_context::root_oid, and pruning_context::thread_p.

Referenced by partition_load_pruning_context().

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void partition_clear_pruning_context ( PRUNING_CONTEXT * pinfo )

Definition at line 2380 of file partition.c.

References assert, pruning_context::attr_info, pruning_context::count, db_private_free, pruning_scan_cache::func_index_pred, heap_attrinfo_end(), heap_clear_partition_info(), heap_free_func_pred_unpack_info(), heap_scancache_end(), pruning_context::is_attr_info_inited, pruning_context::is_from_cache, pruning_scan_cache::is_scan_cache_started, pruning_scan_cache::n_indexes, scancache_list::next, NULL, partition_free_partition_predicate(), pruning_context::partitions, pruning_scan_cache::scan_cache, scancache_list::scan_cache, pruning_context::scan_cache_list, pruning_context::selected_partition, and pruning_context::thread_p.

Referenced by btree_check_foreign_key(), btree_load_check_fk(), locator_check_foreign_key(), logtb_tran_load_global_stats_func(), partition_attrinfo_get_key(), partition_get_partition_oids(), partition_load_aggregate_helper(), partition_load_pruning_context(), partition_prune_insert(), partition_prune_spec(), partition_prune_update(), qexec_clear_internal_classes(), qexec_execute_insert(), qexec_init_agg_hierarchy_helpers(), redistribute_partition_data(), and xbtree_find_multi_uniques().

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void partition_decache_class	(	THREAD_ENTRY *	thread_p,
		const OID *	class_oid
	)

Definition at line 775 of file partition.c.

References csect_enter, csect_exit, CSECT_PARTITION_CACHE, INF_WAIT, mht_rem(), NO_ERROR, NULL, partition_free_cache_entry_kv(), and PARTITION_IS_CACHE_INITIALIZED.

Referenced by log_cleanup_modified_class().

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static bool partition_decrement_value ( DB_VALUE * val )

static

Definition at line 3465 of file partition.c.

References db_data::bigint, db_value::data, db_datetime::date, db_data::date, db_datetimetz::datetime, db_data::datetime, db_data::datetimetz, DB_IS_NULL, DB_TYPE_BIGINT, DB_TYPE_DATE, DB_TYPE_DATETIME, DB_TYPE_DATETIMELTZ, DB_TYPE_DATETIMETZ, DB_TYPE_INTEGER, DB_TYPE_SHORT, DB_TYPE_TIME, DB_TYPE_TIMESTAMP, DB_TYPE_TIMESTAMPLTZ, DB_TYPE_TIMESTAMPTZ, DB_VALUE_TYPE, db_data::i, MILLISECONDS_OF_ONE_DAY, db_datetime::time, db_data::time, db_timestamptz::timestamp, db_data::timestamptz, and db_data::utime.

Referenced by partition_prune_range().

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static bool partition_do_regu_variables_match	(	PRUNING_CONTEXT *	pinfo,
		const REGU_VARIABLE *	left,
		const REGU_VARIABLE *	right
	)

static

Definition at line 968 of file partition.c.

References DB_EQ, val_descr::dbval_ptr, NULL, tp_value_compare(), TYPE_ATTR_ID, TYPE_CONSTANT, TYPE_DBVAL, TYPE_INARITH, TYPE_OUTARITH, TYPE_POS_VALUE, and pruning_context::vd.

Referenced by partition_match_pred_expr().

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static int partition_find_inherited_btid	(	THREAD_ENTRY *	thread_p,
		OID *	src_class,
		OID *	dest_class,
		BTID *	src_btid,
		BTID *	dest_btid
	)

static

Definition at line 3595 of file partition.c.

References ARG_FILE_LINE, assert, BTID_IS_NULL, cleanup(), ER_BTREE_INVALID_INDEX_ID, ER_ERROR_SEVERITY, er_set(), error(), vfid::fileid, free_and_init, heap_get_index_with_name(), heap_get_indexinfo_of_btid(), NO_ERROR, NULL, btid::root_pageid, btid::vfid, and vfid::volid.

Referenced by partition_prune_partition_index(), and partition_prune_unique_btid().

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static int partition_find_partition_for_record	(	PRUNING_CONTEXT *	pinfo,
		const OID *	class_oid,
		RECDES *	recdes,
		OID *	partition_oid,
		HFID *	partition_hfid
	)

static

Definition at line 2954 of file partition.c.

References ARG_FILE_LINE, assert, assert_release, pruning_context::attr_id, pruning_context::attr_info, or_partition::class_hfid, or_partition::class_oid, cleanup(), COPY_OID, pruning_bitset::count, db_value_is_null(), ER_ERROR_SEVERITY, ER_PARTITION_NOT_EXIST, er_set(), error(), pruning_context::error_code, fetch_peek_dbval(), func_pred::func_regu, heap_attrinfo_clear_dbvalues(), heap_attrinfo_read_dbvalues(), heap_attrinfo_start(), HFID_COPY, pruning_context::is_attr_info_inited, MATCH_NOT_FOUND, MATCH_OK, NO_ERROR, NULL, NULL_REPRID, OID_EQ, or_rep_id(), or_set_rep_id(), pruning_context::partition_pred, partition_prune_db_val(), partition_set_cache_info_for_expr(), pruning_context::partitions, PARTITIONS_COUNT, PO_EQ, PO_IS_NULL, pruningset_init(), pruningset_iterator_init(), pruningset_iterator_next(), pruningset_popcount(), or_partition::rep_id, pruning_context::root_oid, pruning_context::root_repr_id, and pruning_context::thread_p.

Referenced by partition_prune_insert(), and partition_prune_update().

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int partition_find_root_class_oid	(	THREAD_ENTRY *	thread_p,
		const OID *	class_oid,
		OID *	super_oid
	)

Definition at line 2199 of file partition.c.

References ASSERT_ERROR, COPY_OID, error(), free_and_init, heap_get_class_supers(), NO_ERROR, NULL, and OID_SET_NULL.

Referenced by partition_load_pruning_context(), partition_prune_update(), and qexec_evaluate_aggregates_optimize().

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static int partition_free_cache_entry ( PARTITION_CACHE_ENTRY * entry )

static

Definition at line 405 of file partition.c.

References partition_cache_entry::count, db_change_private_heap(), db_seq_free(), free_and_init, i, NO_ERROR, NULL, partition_cache_entry::partitions, and or_partition::values.

Referenced by partition_cache_pruning_context(), and partition_free_cache_entry_kv().

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

static

Definition at line 389 of file partition.c.

References partition_free_cache_entry().

Referenced by partition_cache_finalize(), and partition_decache_class().

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static void partition_free_partition_predicate ( PRUNING_CONTEXT * pinfo )

static

Definition at line 2481 of file partition.c.

References pruning_context::fp_cache_context, free_xasl_unpack_info(), func_pred::func_regu, NULL, pruning_context::partition_pred, qexec_clear_partition_expression(), and pruning_context::thread_p.

Referenced by partition_clear_pruning_context(), and partition_load_pruning_context().

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static ATTR_ID partition_get_attribute_id ( REGU_VARIABLE * regu_var )

static

Definition at line 2583 of file partition.c.

References assert, regu_variable_list_node::next, NULL, NULL_ATTRID, TYPE_ATTR_ID, TYPE_FUNC, TYPE_INARITH, TYPE_OUTARITH, and regu_variable_list_node::value.

Referenced by partition_load_pruning_context().

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int partition_get_partition_oids	(	THREAD_ENTRY *	thread_p,
		const OID *	class_oid,
		OID **	partition_oids,
		int *	count
	)

Definition at line 3380 of file partition.c.

References assert_release, or_partition::class_oid, cleanup(), COPY_OID, pruning_context::count, DB_PARTITIONED_CLASS, db_private_alloc, db_private_free, ER_FAILED, error(), or_classrep::has_partition_info, heap_classrepr_free_and_init, heap_classrepr_get(), i, NO_ERROR, NULL, NULL_REPRID, partition_clear_pruning_context(), partition_init_pruning_context(), partition_load_pruning_context(), pruning_context::partitions, and PARTITIONS_COUNT.

Referenced by catalog_get_cardinality(), and xstats_update_statistics().

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static int partition_get_position_in_key	(	PRUNING_CONTEXT *	pinfo,
		BTID *	btid
	)

static

Definition at line 2656 of file partition.c.

References ASSERT_ERROR, pruning_context::attr_position, db_private_free, error(), func_pred::func_regu, heap_get_indexinfo_of_btid(), i, NO_ERROR, NULL, pruning_context::partition_pred, pruning_context::root_oid, pruning_context::thread_p, and TYPE_ATTR_ID.

Referenced by partition_load_aggregate_helper(), and partition_prune_spec().

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PRUNING_SCAN_CACHE* partition_get_scancache	(	PRUNING_CONTEXT *	pcontext,
		const OID *	partition_oid
	)

Definition at line 3320 of file partition.c.

References assert_release, heap_scancache_node::class_oid, scancache_list::next, heap_scancache::node, NULL, OID_EQ, pruning_scan_cache::scan_cache, scancache_list::scan_cache, and pruning_context::scan_cache_list.

Referenced by locator_get_partition_scancache().

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static int partition_get_value_from_inarith	(	PRUNING_CONTEXT *	pinfo,
		const REGU_VARIABLE *	src,
		DB_VALUE *	value_p,
		bool *	is_present
	)

static

Definition at line 1784 of file partition.c.

References assert_release, db_make_null(), error(), fetch_peek_dbval(), NO_ERROR, NULL, partition_is_reguvar_const(), pr_clone_value(), pruning_context::thread_p, TYPE_INARITH, and pruning_context::vd.

Referenced by partition_get_value_from_regu_var().

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static int partition_get_value_from_key	(	PRUNING_CONTEXT *	pinfo,
		const REGU_VARIABLE *	key,
		DB_VALUE *	attr_key,
		bool *	is_present
	)

static

Definition at line 1683 of file partition.c.

References ARG_FILE_LINE, assert, pruning_context::attr_position, db_make_null(), val_descr::dbval_ptr, ER_ERROR_SEVERITY, ER_FAILED, ER_GENERIC_ERROR, er_set(), error(), F_MIDXKEY, i, regu_variable_list_node::next, NO_ERROR, NULL, partition_get_value_from_regu_var(), pr_clone_value(), TYPE_CONSTANT, TYPE_DBVAL, TYPE_FUNC, TYPE_INARITH, TYPE_POS_VALUE, regu_variable_list_node::value, and pruning_context::vd.

Referenced by partition_get_value_from_regu_var().

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static int partition_get_value_from_regu_var	(	PRUNING_CONTEXT *	pinfo,
		const REGU_VARIABLE *	key,
		DB_VALUE *	value_p,
		bool *	is_value
	)

static

Definition at line 1560 of file partition.c.

References assert, db_make_null(), val_descr::dbval_ptr, ER_FAILED, error(), F_MIDXKEY, if(), NO_ERROR, NULL, partition_get_value_from_inarith(), partition_get_value_from_key(), pr_clone_value(), TYPE_DBVAL, TYPE_FUNC, TYPE_INARITH, TYPE_POS_VALUE, and pruning_context::vd.

Referenced by partition_get_value_from_key(), and partition_prune().

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void partition_init_pruning_context ( PRUNING_CONTEXT * pinfo )

Definition at line 2164 of file partition.c.

References assert, pruning_context::attr_position, pruning_context::count, DB_PARTITIONED_CLASS, pruning_context::error_code, pruning_context::fp_cache_context, pruning_context::is_attr_info_inited, pruning_context::is_from_cache, NO_ERROR, NULL, OID_SET_NULL, pruning_context::partition_pred, pruning_context::partitions, pruning_context::pruning_type, pruning_context::root_oid, pruning_context::scan_cache_list, pruning_context::selected_partition, pruning_context::spec, pruning_context::thread_p, and pruning_context::vd.

Referenced by btree_check_foreign_key(), btree_load_check_fk(), locator_check_foreign_key(), logtb_tran_load_global_stats_func(), partition_attrinfo_get_key(), partition_get_partition_oids(), partition_load_aggregate_helper(), partition_load_pruning_context(), partition_prune_insert(), partition_prune_spec(), partition_prune_update(), qexec_create_internal_classes(), qexec_execute_insert(), qexec_init_agg_hierarchy_helpers(), redistribute_partition_data(), and xbtree_find_multi_uniques().

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static bool partition_is_reguvar_const ( const REGU_VARIABLE * regu_var )

static

Definition at line 1637 of file partition.c.

References arith_list_node::leftptr, NULL, arith_list_node::rightptr, arith_list_node::thirdptr, TYPE_DBVAL, TYPE_INARITH, TYPE_OUTARITH, TYPE_POS_VALUE, TYPE_REGUVAL_LIST, and arith_list_node::value.

Referenced by partition_get_value_from_inarith().

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int partition_load_aggregate_helper	(	PRUNING_CONTEXT *	pcontext,
		access_spec_node *	spec,
		int	pruned_count,
		BTID *	root_btid,
		HIERARCHY_AGGREGATE_HELPER *	helper
	)

Definition at line 3639 of file partition.c.

References assert, assert_release, pruning_context::attr_position, BTID_IS_NULL, cubquery::hierarchy_aggregate_helper::btids, btree_is_unique_type(), BTREE_PRIMARY_KEY, cleanup(), pruning_context::count, cubquery::hierarchy_aggregate_helper::count, DB_PARTITIONED_CLASS, db_private_alloc, db_private_free_and_init, ER_OUT_OF_VIRTUAL_MEMORY, error(), free_and_init, heap_get_index_with_name(), heap_get_indexinfo_of_btid(), HFID_COPY, cubquery::hierarchy_aggregate_helper::hfids, i, NO_ERROR, NULL, partition_clear_pruning_context(), partition_get_position_in_key(), partition_init_pruning_context(), partition_load_pruning_context(), access_spec_node::pruning_type, pruning_context::root_oid, and pruning_context::thread_p.

Referenced by qexec_init_agg_hierarchy_helpers().

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static bool partition_load_context_from_cache	(	PRUNING_CONTEXT *	pinfo,
		bool *	is_modified
	)

static

Definition at line 647 of file partition.c.

References assert, csect_enter_as_reader, csect_exit, CSECT_PARTITION_CACHE, ER_FAILED, pruning_context::error_code, INF_WAIT, pruning_context::is_from_cache, log_is_class_being_modified(), mht_get(), NO_ERROR, NULL, partition_cache_entry_to_pruning_context(), PARTITION_IS_CACHE_INITIALIZED, pruning_context::root_oid, and pruning_context::thread_p.

Referenced by partition_load_pruning_context().

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static int partition_load_partition_predicate	(	PRUNING_CONTEXT *	pinfo,
		OR_PARTITION *	master
	)

static

Definition at line 2437 of file partition.c.

References ARG_FILE_LINE, assert, ASSERT_ERROR, CONST_CAST, db_get_string(), db_get_string_size(), db_set_get(), db_set_size(), DB_TYPE_CHAR, DB_VALUE_TYPE, ER_ERROR_SEVERITY, ER_FAILED, ER_GENERIC_ERROR, er_set(), error(), pruning_context::fp_cache_context, NO_ERROR, NULL, pruning_context::partition_pred, pr_clear_value(), stx_map_stream_to_func_pred(), pruning_context::thread_p, and or_partition::values.

Referenced by partition_load_pruning_context().

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int partition_load_pruning_context	(	THREAD_ENTRY *	thread_p,
		const OID *	class_oid,
		int	pruning_type,
		PRUNING_CONTEXT *	pinfo
	)

Definition at line 2249 of file partition.c.

References assert, ASSERT_ERROR, assert_release, pruning_context::attr_id, COPY_OID, pruning_context::count, DB_PARTITION_CLASS, DB_PARTITIONED_CLASS, ER_FAILED, error(), pruning_context::error_code, func_pred::func_regu, heap_clear_partition_info(), heap_get_class_partitions(), pruning_context::is_from_cache, NO_ERROR, NULL, partition_cache_pruning_context(), partition_clear_pruning_context(), partition_find_root_class_oid(), partition_free_partition_predicate(), partition_get_attribute_id(), partition_init_pruning_context(), partition_load_context_from_cache(), partition_load_partition_predicate(), pruning_context::partition_pred, partition_set_specified_partition(), pruning_context::partition_type, or_partition::partition_type, pruning_context::partitions, pruning_context::pruning_type, or_partition::rep_id, pruning_context::root_oid, pruning_context::root_repr_id, and pruning_context::thread_p.

Referenced by btree_check_foreign_key(), btree_load_check_fk(), locator_check_foreign_key(), logtb_tran_load_global_stats_func(), partition_attrinfo_get_key(), partition_get_partition_oids(), partition_load_aggregate_helper(), partition_prune_insert(), partition_prune_spec(), partition_prune_update(), qexec_create_internal_classes(), qexec_execute_insert(), qexec_init_agg_hierarchy_helpers(), redistribute_partition_data(), and xbtree_find_multi_uniques().

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static MATCH_STATUS partition_match_index_key	(	PRUNING_CONTEXT *	pinfo,
		const KEY_INFO *	key,
		RANGE_TYPE	range_type,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 2122 of file partition.c.

References func_pred::func_regu, i, key_info::key_cnt, key_info::key_ranges, MATCH_NOT_FOUND, MATCH_OK, partition_match_key_range(), pruning_context::partition_pred, PARTITIONS_COUNT, pruningset_init(), pruningset_set_all(), pruningset_union(), and TYPE_ATTR_ID.

Referenced by partition_prune_index_scan().

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static MATCH_STATUS partition_match_key_range	(	PRUNING_CONTEXT *	pinfo,
		const KEY_RANGE *	range,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1981 of file partition.c.

References EQ_NA, pruning_context::error_code, GE_INF, GE_LE, GE_LT, GT_INF, GT_LE, GT_LT, INF_INF, INF_LE, INF_LT, key_range::key1, key_range::key2, LE_GE, LE_GT, LT_GE, LT_GT, MATCH_NOT_FOUND, MATCH_OK, NA_NA, NEQ_NA, NO_ERROR, partition_prune(), PARTITIONS_COUNT, PO_EQ, PO_GE, PO_GT, PO_INVALID, PO_LE, PO_LT, pruningset_copy(), pruningset_init(), pruningset_intersect(), and key_range::range.

Referenced by partition_match_index_key().

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static MATCH_STATUS partition_match_pred_expr	(	PRUNING_CONTEXT *	pinfo,
		const PRED_EXPR *	pr,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1829 of file partition.c.

References assert, B_AND, B_OR, cubxasl::pred::bool_op, cubxasl::alsm_eval_term::elem, cubxasl::alsm_eval_term::elemset, cubxasl::alsm_eval_term::eq_flag, cubxasl::eval_term::et, cubxasl::eval_term::et_alsm, cubxasl::eval_term::et_comp, cubxasl::eval_term::et_type, F_SOME, func_pred::func_regu, cubxasl::pred::lhs, cubxasl::comp_eval_term::lhs, cubxasl::pred_expr::m_eval_term, cubxasl::pred_expr::m_pred, MATCH_NOT_FOUND, MATCH_OK, NULL, partition_do_regu_variables_match(), pruning_context::partition_pred, partition_prune(), partition_rel_op_to_pruning_op(), PARTITIONS_COUNT, cubxasl::pred_expr::pe, PO_EQ, PO_IN, PO_NE, PO_NOT_IN, pruningset_copy(), pruningset_init(), pruningset_intersect(), pruningset_union(), cubxasl::comp_eval_term::rel_op, cubxasl::alsm_eval_term::rel_op, cubxasl::pred::rhs, cubxasl::comp_eval_term::rhs, T_ALSM_EVAL_TERM, T_COMP_EVAL_TERM, T_EVAL_TERM, T_LIKE_EVAL_TERM, T_NOT_TERM, T_PRED, T_RLIKE_EVAL_TERM, and cubxasl::pred_expr::type.

Referenced by partition_prune_heap_scan(), and partition_prune_index_scan().

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PRUNING_SCAN_CACHE* partition_new_scancache ( PRUNING_CONTEXT * pcontext )

Definition at line 3350 of file partition.c.

References db_private_alloc, pruning_scan_cache::func_index_pred, pruning_scan_cache::is_scan_cache_started, pruning_scan_cache::n_indexes, scancache_list::next, NULL, scancache_list::scan_cache, pruning_context::scan_cache_list, and pruning_context::thread_p.

Referenced by locator_get_partition_scancache().

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static MATCH_STATUS partition_prune	(	PRUNING_CONTEXT *	pinfo,
		const REGU_VARIABLE *	arg,
		const PRUNING_OP	op,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1515 of file partition.c.

References db_make_null(), ER_FAILED, pruning_context::error_code, MATCH_NOT_FOUND, NO_ERROR, NULL, partition_get_value_from_regu_var(), partition_prune_db_val(), PO_IS_NULL, and pr_clear_value().

Referenced by partition_match_key_range(), and partition_match_pred_expr().

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static MATCH_STATUS partition_prune_db_val	(	PRUNING_CONTEXT *	pinfo,
		const DB_VALUE *	val,
		const PRUNING_OP	op,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1486 of file partition.c.

References DB_PARTITION_HASH, DB_PARTITION_LIST, DB_PARTITION_RANGE, MATCH_NOT_FOUND, partition_prune_hash(), partition_prune_list(), partition_prune_range(), and pruning_context::partition_type.

Referenced by partition_find_partition_for_record(), partition_prune(), and partition_prune_partition_index().

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static MATCH_STATUS partition_prune_hash	(	PRUNING_CONTEXT *	pinfo,
		const DB_VALUE *	val,
		const PRUNING_OP	op,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1212 of file partition.c.

References cleanup(), db_get_set(), db_make_null(), db_set_get(), db_set_size(), DB_VALUE_TYPE, db_value_type_is_collection(), DOMAIN_INCOMPATIBLE, er_clear(), ER_FAILED, pruning_context::error_code, func_pred::func_regu, i, MATCH_NOT_FOUND, MATCH_OK, mht_get_hash_number(), NO_ERROR, NULL, pruning_context::partition_pred, PARTITIONS_COUNT, PO_EQ, PO_IN, PO_IS_NULL, pr_clear_value(), pr_clone_value(), pruningset_add(), TP_DOMAIN_TYPE, and tp_value_cast().

Referenced by partition_prune_db_val().

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static int partition_prune_heap_scan ( PRUNING_CONTEXT * pinfo )

static

Definition at line 2709 of file partition.c.

References assert, ASSERT_ERROR, error(), pruning_context::error_code, MATCH_NOT_FOUND, NO_ERROR, NULL, partition_match_pred_expr(), pruning_context::partitions, PARTITIONS_COUNT, pruningset_init(), pruningset_set_all(), pruningset_to_spec_list(), pruning_context::spec, and access_spec_node::where_pred.

Referenced by partition_prune_spec().

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static int partition_prune_index_scan ( PRUNING_CONTEXT * pinfo )

static

Definition at line 2762 of file partition.c.

References assert, ASSERT_ERROR, pruning_context::attr_position, error(), pruning_context::error_code, indx_info::func_idx_col_id, access_spec_node::indexptr, indx_info::key_info, MATCH_NOT_FOUND, MATCH_OK, NO_ERROR, NULL, partition_match_index_key(), partition_match_pred_expr(), pruning_context::partitions, PARTITIONS_COUNT, pruningset_init(), pruningset_set_all(), pruningset_to_spec_list(), indx_info::range_type, pruning_context::spec, indx_info::use_iss, access_spec_node::where_key, and access_spec_node::where_pred.

Referenced by partition_prune_spec().

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int partition_prune_insert	(	THREAD_ENTRY *	thread_p,
		const OID *	class_oid,
		RECDES *	recdes,
		HEAP_SCANCACHE *	scan_cache,
		PRUNING_CONTEXT *	pcontext,
		int	pruning_type,
		OID *	pruned_class_oid,
		HFID *	pruned_hfid,
		OID *	superclass_oid
	)

Definition at line 3092 of file partition.c.

References ARG_FILE_LINE, assert, or_partition::class_oid, cleanup(), COPY_OID, DB_NOT_PARTITIONED_CLASS, DB_PARTITION_CLASS, ER_ERROR_SEVERITY, ER_INVALID_DATA_FOR_PARTITION, er_set(), error(), NO_ERROR, NULL, OID_EQ, OID_SET_NULL, partition_clear_pruning_context(), partition_find_partition_for_record(), partition_init_pruning_context(), partition_load_pruning_context(), pruning_context::partitions, pruning_context::root_oid, and pruning_context::selected_partition.

Referenced by locator_insert_force().

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static MATCH_STATUS partition_prune_list	(	PRUNING_CONTEXT *	pinfo,
		const DB_VALUE *	val,
		const PRUNING_OP	op,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1077 of file partition.c.

References db_get_set(), db_set_get(), db_set_has_null(), db_set_ismember(), db_set_size(), db_value_type_is_collection(), i, MATCH_NOT_FOUND, MATCH_OK, NULL, pruning_context::partitions, PARTITIONS_COUNT, PO_EQ, PO_GE, PO_GT, PO_IN, PO_IS_NULL, PO_LE, PO_LT, PO_NE, PO_NOT_IN, pr_clear_value(), pruningset_add(), and or_partition::values.

Referenced by partition_prune_db_val().

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int partition_prune_partition_index	(	PRUNING_CONTEXT *	pcontext,
		DB_VALUE *	key,
		OID *	class_oid,
		BTID *	btid,
		int *	position
	)

Definition at line 3926 of file partition.c.

References assert, assert_release, DB_PARTITION_CLASS, ER_FAILED, error(), MATCH_NOT_FOUND, NO_ERROR, NULL, OID_SET_NULL, partition_attrinfo_get_key(), partition_find_inherited_btid(), partition_prune_db_val(), PARTITIONS_COUNT, PO_EQ, pr_clear_value(), pruning_context::pruning_type, pruningset_init(), pruningset_iterator_init(), pruningset_iterator_next(), pruningset_popcount(), pruning_context::root_oid, and pruning_context::thread_p.

Referenced by btree_load_check_fk(), and partition_prune_unique_btid().

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static MATCH_STATUS partition_prune_range	(	PRUNING_CONTEXT *	pinfo,
		const DB_VALUE *	val,
		const PRUNING_OP	op,
		PRUNING_BITSET *	pruned
	)

static

Definition at line 1331 of file partition.c.

References cleanup(), DB_EQ, DB_IS_NULL, DB_LT, db_make_null(), db_set_get(), DB_UNK, error(), pruning_context::error_code, i, MATCH_NOT_FOUND, MATCH_OK, max, min, NO_ERROR, partition_decrement_value(), pruning_context::partitions, PARTITIONS_COUNT, PO_EQ, PO_GE, PO_GT, PO_IS_NULL, PO_LE, PO_LT, pr_clear_value(), pruningset_add(), tp_value_compare(), and or_partition::values.

Referenced by partition_prune_db_val().

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int partition_prune_spec	(	THREAD_ENTRY *	thread_p,
		val_descr *	vd,
		access_spec_node *	spec
	)

Definition at line 2841 of file partition.c.

References access_spec_node::access, ACCESS_METHOD_SEQUENTIAL, ACCESS_METHOD_SEQUENTIAL_PAGE_SCAN, ACCESS_METHOD_SEQUENTIAL_RECORD_INFO, ACCESS_SPEC_CLS_OID, ARG_FILE_LINE, assert, ASSERT_ERROR, pruning_context::attr_position, indx_info::btid, DB_PARTITIONED_CLASS, ER_ERROR_SEVERITY, ER_FAILED, ER_GENERIC_ERROR, er_set(), error(), func_pred::func_regu, access_spec_node::indexptr, NO_ERROR, NULL, partition_clear_pruning_context(), partition_get_position_in_key(), partition_init_pruning_context(), partition_load_pruning_context(), pruning_context::partition_pred, partition_prune_heap_scan(), partition_prune_index_scan(), pruning_context::partitions, access_spec_node::pruning_type, pruning_context::spec, TARGET_CLASS, TARGET_CLASS_ATTR, access_spec_node::type, TYPE_ATTR_ID, and pruning_context::vd.

Referenced by qexec_execute_obj_fetch(), and qexec_prune_spec().

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int partition_prune_unique_btid	(	PRUNING_CONTEXT *	pcontext,
		DB_VALUE *	key,
		OID *	class_oid,
		HFID *	class_hfid,
		BTID *	btid
	)

Definition at line 3553 of file partition.c.

References BTID_COPY, or_partition::class_hfid, or_partition::class_oid, COPY_OID, error(), HFID_COPY, NO_ERROR, partition_find_inherited_btid(), partition_prune_partition_index(), pruning_context::partitions, pruning_context::root_oid, and pruning_context::thread_p.

Referenced by btree_check_foreign_key(), btree_load_check_fk(), locator_check_foreign_key(), qexec_oid_of_duplicate_key_update(), qexec_remove_duplicates_for_replace(), and xbtree_find_multi_uniques().

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int partition_prune_update	(	THREAD_ENTRY *	thread_p,
		const OID *	class_oid,
		RECDES *	recdes,
		PRUNING_CONTEXT *	pcontext,
		int	pruning_type,
		OID *	pruned_class_oid,
		HFID *	pruned_hfid,
		OID *	superclass_oid
	)