#include "fetch.h"
#include "memory_alloc.h"
#include "memory_hash.h"
#include "object_domain.h"
#include "object_primitive.h"
#include "object_representation.h"
#include "query_opfunc.h"
#include "string_opfunc.h"
#include "query_hash_scan.h"
#include "db_value_printer.hpp"
#include "dbtype.h"

Include dependency graph for query_hash_scan.c:

Functions
static bool	safe_memcpy (void data, void source, int size)

static DB_VALUE_COMPARE_RESULT	qdata_hscan_key_compare (HASH_SCAN_KEY ckey1, HASH_SCAN_KEY ckey2, int *diff_pos)

HASH_SCAN_KEY *	qdata_alloc_hscan_key (cubthread::entry *thread_p, int val_cnt, bool alloc_vals)

void	qdata_free_hscan_key (cubthread::entry thread_p, HASH_SCAN_KEY key, int val_count)

unsigned int	qdata_hash_scan_key (const void *key, unsigned int ht_size)

int	qdata_hscan_key_eq (const void key1, const void key2)

int	qdata_build_hscan_key (THREAD_ENTRY thread_p, val_descr vd, REGU_VARIABLE_LIST regu_list, HASH_SCAN_KEY *key)

int	qdata_print_hash_scan_entry (THREAD_ENTRY thread_p, FILE fp, const void data, void args)

HASH_SCAN_KEY *	qdata_copy_hscan_key (cubthread::entry thread_p, HASH_SCAN_KEY key, REGU_VARIABLE_LIST probe_regu_list, val_descr *vd)

HASH_SCAN_KEY *	qdata_copy_hscan_key_without_alloc (cubthread::entry thread_p, HASH_SCAN_KEY key, REGU_VARIABLE_LIST probe_regu_list, HASH_SCAN_KEY *new_key)

HASH_SCAN_VALUE *	qdata_alloc_hscan_value (cubthread::entry *thread_p, QFILE_TUPLE tpl)

HASH_SCAN_VALUE *	qdata_alloc_hscan_value_OID (cubthread::entry thread_p, QFILE_LIST_SCAN_ID scan_id_p)

void	qdata_free_hscan_value (cubthread::entry thread_p, HASH_SCAN_VALUE value)

int	qdata_free_hscan_entry (const void key, void data, void *args)

Function Documentation

HASH_SCAN_KEY* qdata_alloc_hscan_key	(	cubthread::entry *	thread_p,
		int	val_cnt,
		bool	alloc_vals
	)

Definition at line 45 of file query_hash_scan.c.

References ARG_FILE_LINE, db_private_alloc, db_private_free, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), hash_scan_key::free_values, i, NULL, pr_make_value(), qdata_free_hscan_key(), hash_scan_key::val_count, and hash_scan_key::values.

Referenced by qdata_copy_hscan_key(), and scan_open_list_scan().

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HASH_SCAN_VALUE* qdata_alloc_hscan_value	(	cubthread::entry *	thread_p,
		QFILE_TUPLE	tpl
	)

Definition at line 403 of file query_hash_scan.c.

References ARG_FILE_LINE, db_private_alloc, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), NULL, qdata_free_hscan_value(), QFILE_GET_TUPLE_LENGTH, safe_memcpy(), and hash_scan_value::tuple.

Referenced by scan_build_hash_list_scan().

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HASH_SCAN_VALUE* qdata_alloc_hscan_value_OID	(	cubthread::entry *	thread_p,
		QFILE_LIST_SCAN_ID *	scan_id_p
	)

Definition at line 438 of file query_hash_scan.c.

References ARG_FILE_LINE, qfile_list_scan_id::curr_offset, qfile_list_scan_id::curr_vpid, db_private_alloc, ER_ERROR_SEVERITY, ER_OUT_OF_VIRTUAL_MEMORY, er_set(), NULL, qfile_tuple_simple_pos::offset, hash_scan_value::pos, qdata_free_hscan_value(), and qfile_tuple_simple_pos::vpid.

Referenced by scan_build_hash_list_scan().

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int qdata_build_hscan_key	(	THREAD_ENTRY *	thread_p,
		val_descr *	vd,
		REGU_VARIABLE_LIST	regu_list,
		HASH_SCAN_KEY *	key
	)

Definition at line 212 of file query_hash_scan.c.

References fetch_peek_dbval(), hash_scan_key::free_values, regu_variable_list_node::next, NO_ERROR, NULL, rc, hash_scan_key::val_count, regu_variable_list_node::value, and hash_scan_key::values.

Referenced by scan_build_hash_list_scan(), and scan_hash_probe_next().

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HASH_SCAN_KEY* qdata_copy_hscan_key	(	cubthread::entry *	thread_p,
		HASH_SCAN_KEY *	key,
		REGU_VARIABLE_LIST	probe_regu_list,
		val_descr *	vd
	)

HASH_SCAN_KEY* qdata_copy_hscan_key_without_alloc	(	cubthread::entry *	thread_p,
		HASH_SCAN_KEY *	key,
		REGU_VARIABLE_LIST	probe_regu_list,
		HASH_SCAN_KEY *	new_key
	)