show_scan.c File Reference

#include <cinttypes>
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "error_manager.h"
#include "memory_alloc.h"
#include "query_manager.h"
#include "object_primitive.h"
#include "object_representation.h"
#include "scan_manager.h"
#include "show_scan.h"
#include "disk_manager.h"
#include "log_manager.h"
#include "slotted_page.h"
#include "heap_file.h"
#include "btree.h"
#include "connection_support.h"
#include "critical_section.h"
#include "tz_support.h"
#include "db_date.h"
#include "network.h"
#include "porting.h"
#include "server_support.h"
#include "dbtype.h"
#include "thread_manager.hpp"

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Classes
struct	show_request

Typedefs
typedef SCAN_CODE(*	NEXT_SCAN_FUNC) (THREAD_ENTRY *thread_p, int cursor, DB_VALUE **out_values, int out_cnt, void *ctx)
typedef int(*	START_SCAN_FUNC) (THREAD_ENTRY *thread_p, int show_type, DB_VALUE **arg_values, int arg_cnt, void **ctx)
typedef int(*	END_SCAN_FUNC) (THREAD_ENTRY *thread_p, void **ctx)
typedef struct show_request	SHOW_REQUEST

Functions
static SCAN_CODE	showstmt_array_next_scan (THREAD_ENTRY *thread_p, int cursor, DB_VALUE **out_values, int out_cnt, void *ptr)
static int	showstmt_array_end_scan (THREAD_ENTRY *thread_p, void **ptr)
void	showstmt_scan_init (void)
SCAN_CODE	showstmt_next_scan (THREAD_ENTRY *thread_p, SCAN_ID *s_id)
int	showstmt_start_scan (THREAD_ENTRY *thread_p, SCAN_ID *s_id)
int	showstmt_end_scan (THREAD_ENTRY *thread_p, SCAN_ID *s_id)
SHOWSTMT_ARRAY_CONTEXT *	showstmt_alloc_array_context (THREAD_ENTRY *thread_p, int num_total, int num_cols)
void	showstmt_free_array_context (THREAD_ENTRY *thread_p, SHOWSTMT_ARRAY_CONTEXT *ctx)
DB_VALUE *	showstmt_alloc_tuple_in_context (THREAD_ENTRY *thread_p, SHOWSTMT_ARRAY_CONTEXT *ctx)
int	thread_start_scan (THREAD_ENTRY *thread_p, int type, DB_VALUE **arg_values, int arg_cnt, void **ptr)

Variables
const size_t	THREAD_SCAN_COLUMN_COUNT = 26
static bool	show_scan_Inited = false
static SHOW_REQUEST	show_Requests [SHOWSTMT_END]

Typedef Documentation

typedef int(* END_SCAN_FUNC) (THREAD_ENTRY *thread_p, void **ctx)

Definition at line 68 of file show_scan.c.

typedef SCAN_CODE(* NEXT_SCAN_FUNC) (THREAD_ENTRY *thread_p, int cursor, DB_VALUE **out_values, int out_cnt, void *ctx)

Definition at line 64 of file show_scan.c.

typedef struct show_request SHOW_REQUEST

Definition at line 70 of file show_scan.c.

typedef int(* START_SCAN_FUNC) (THREAD_ENTRY *thread_p, int show_type, DB_VALUE **arg_values, int arg_cnt, void **ctx)

Definition at line 66 of file show_scan.c.

Function Documentation

SHOWSTMT_ARRAY_CONTEXT* showstmt_alloc_array_context	(	THREAD_ENTRY *	thread_p,
		int	num_total,
		int	num_cols
	)

Definition at line 336 of file show_scan.c.

References db_private_alloc, db_private_free, NULL, showstmt_array_context::num_cols, showstmt_array_context::num_total, showstmt_array_context::num_used, on_error, and showstmt_array_context::tuples.

Referenced by csect_start_scan(), css_user_access_status_start_scan(), logtb_descriptors_start_scan(), pgbuf_start_scan(), thread_start_scan(), tz_full_timezones_start_scan(), and tz_timezones_start_scan().

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DB_VALUE* showstmt_alloc_tuple_in_context	(	THREAD_ENTRY *	thread_p,
		SHOWSTMT_ARRAY_CONTEXT *	ctx
	)

Definition at line 402 of file show_scan.c.

References db_make_null(), db_private_alloc, db_private_realloc, i, NULL, showstmt_array_context::num_cols, showstmt_array_context::num_total, showstmt_array_context::num_used, and showstmt_array_context::tuples.

Referenced by csect_start_scan(), css_make_access_status_exist_user(), css_user_access_status_start_scan(), css_wp_core_job_scan_mapper(), logtb_descriptors_start_scan(), pgbuf_start_scan(), showstmt_array_end_scan(), tz_full_timezones_start_scan(), and tz_timezones_start_scan().

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static int showstmt_array_end_scan ( THREAD_ENTRY *  thread_p, void **  ptr  )

static

Definition at line 477 of file show_scan.c.

References assert, ASSERT_ERROR, ASSERT_ERROR_AND_SET, db_localdatetime_msec(), db_make_bigint(), db_make_datetime(), db_make_int(), db_make_null(), db_make_string(), db_make_string_copy(), er_errid(), er_get_area_error(), er_get_ermsg_from_area_error(), error(), if(), LOCK_TO_LOCKMODE_STRING, lock_wait_state_to_string(), net_server_request_name(), NO_ERROR, NULL, OR_ALIGNED_BUF, OR_ALIGNED_BUF_START, private_heap_id, showstmt_alloc_tuple_in_context(), showstmt_free_array_context(), thread_resume_status_to_string(), THREAD_SCAN_COLUMN_COUNT, thread_status_to_string(), thread_type_to_string(), and trim().

Referenced by showstmt_scan_init().

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static SCAN_CODE showstmt_array_next_scan ( THREAD_ENTRY *  thread_p, int  cursor, DB_VALUE **  out_values, int  out_cnt, void *  ptr  )

static

Definition at line 447 of file show_scan.c.

References assert, i, NULL, showstmt_array_context::num_cols, showstmt_array_context::num_used, pr_clone_value(), S_END, S_SUCCESS, and showstmt_array_context::tuples.

Referenced by showstmt_scan_init().

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int showstmt_end_scan	(	THREAD_ENTRY *	thread_p,
		SCAN_ID *	s_id
	)

Definition at line 309 of file show_scan.c.

References assert, showstmt_scan_id::ctx, show_request::end_func, error(), NO_ERROR, NULL, scan_id_struct::s, show_request::show_type, showstmt_scan_id::show_type, and scan_id_struct::stsid.

Referenced by scan_end_scan().

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void showstmt_free_array_context	(	THREAD_ENTRY *	thread_p,
		SHOWSTMT_ARRAY_CONTEXT *	ctx
	)

Definition at line 373 of file show_scan.c.

References assert, db_private_free, i, NULL, showstmt_array_context::num_cols, showstmt_array_context::num_used, pr_clear_value(), and showstmt_array_context::tuples.

Referenced by csect_start_scan(), css_user_access_status_start_scan(), logtb_descriptors_start_scan(), pgbuf_start_scan(), showstmt_array_end_scan(), thread_start_scan(), tz_full_timezones_start_scan(), and tz_timezones_start_scan().

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SCAN_CODE showstmt_next_scan	(	THREAD_ENTRY *	thread_p,
		SCAN_ID *	s_id
	)

Definition at line 250 of file show_scan.c.

References assert, showstmt_scan_id::ctx, showstmt_scan_id::cursor, i, show_request::next_func, NULL, showstmt_scan_id::out_cnt, showstmt_scan_id::out_values, pr_clear_value(), scan_id_struct::s, S_END, show_request::show_type, showstmt_scan_id::show_type, and scan_id_struct::stsid.

Referenced by scan_next_showstmt_scan().

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void showstmt_scan_init

(

void

)

Definition at line 100 of file show_scan.c.

References btree_index_end_scan(), btree_index_next_scan(), btree_index_start_scan(), csect_start_scan, css_job_queues_start_scan(), css_user_access_status_start_scan(), disk_volume_header_end_scan(), disk_volume_header_next_scan(), disk_volume_header_start_scan(), show_request::end_func, heap_capacity_next_scan(), heap_header_capacity_end_scan(), heap_header_capacity_start_scan(), heap_header_next_scan(), log_active_log_header_end_scan(), log_active_log_header_next_scan(), log_active_log_header_start_scan(), log_archive_log_header_end_scan(), log_archive_log_header_next_scan(), log_archive_log_header_start_scan(), logtb_descriptors_start_scan(), show_request::next_func, pgbuf_start_scan(), show_scan_Inited, show_request::show_type, SHOWSTMT_ACCESS_STATUS, SHOWSTMT_ACTIVE_LOG_HEADER, SHOWSTMT_ALL_HEAP_CAPACITY, SHOWSTMT_ALL_HEAP_HEADER, SHOWSTMT_ALL_INDEXES_CAPACITY, SHOWSTMT_ALL_INDEXES_HEADER, SHOWSTMT_ARCHIVE_LOG_HEADER, showstmt_array_end_scan(), showstmt_array_next_scan(), SHOWSTMT_END, SHOWSTMT_FULL_TIMEZONES, SHOWSTMT_GLOBAL_CRITICAL_SECTIONS, SHOWSTMT_HEAP_CAPACITY, SHOWSTMT_HEAP_HEADER, SHOWSTMT_INDEX_CAPACITY, SHOWSTMT_INDEX_HEADER, SHOWSTMT_JOB_QUEUES, SHOWSTMT_PAGE_BUFFER_STATUS, SHOWSTMT_SLOTTED_PAGE_HEADER, SHOWSTMT_SLOTTED_PAGE_SLOTS, SHOWSTMT_THREADS, SHOWSTMT_TIMEZONES, SHOWSTMT_TRAN_TABLES, SHOWSTMT_VOLUME_HEADER, spage_header_end_scan(), spage_header_next_scan(), spage_header_start_scan(), spage_slots_end_scan(), spage_slots_next_scan(), spage_slots_start_scan(), show_request::start_func, thread_start_scan(), tz_full_timezones_start_scan(), and tz_timezones_start_scan().

Referenced by xboot_register_client().

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int showstmt_start_scan	(	THREAD_ENTRY *	thread_p,
		SCAN_ID *	s_id
	)

Definition at line 283 of file show_scan.c.

References showstmt_scan_id::arg_cnt, showstmt_scan_id::arg_values, assert, showstmt_scan_id::ctx, error(), NO_ERROR, NULL, scan_id_struct::s, show_request::show_type, showstmt_scan_id::show_type, show_request::start_func, and scan_id_struct::stsid.

Referenced by scan_start_scan().

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int thread_start_scan	(	THREAD_ENTRY *	thread_p,
		int	type,
		DB_VALUE **	arg_values,
		int	arg_cnt,
		void **	ptr
	)

Definition at line 813 of file show_scan.c.

References ASSERT_ERROR, ASSERT_ERROR_AND_SET, error(), cubthread::manager::map_entries(), NO_ERROR, NULL, showstmt_alloc_array_context(), showstmt_free_array_context(), thread_get_manager(), thread_num_total_threads(), and THREAD_SCAN_COLUMN_COUNT.

Referenced by showstmt_scan_init().

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Variable Documentation

SHOW_REQUEST show_Requests[SHOWSTMT_END]

static

Definition at line 92 of file show_scan.c.

bool show_scan_Inited = false

static

Definition at line 90 of file show_scan.c.

Referenced by showstmt_scan_init().

const size_t THREAD_SCAN_COLUMN_COUNT = 26

Definition at line 79 of file show_scan.c.

Referenced by showstmt_array_end_scan(), and thread_start_scan().