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check of using same table for changing and select

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This commit is contained in:
bell@sanja.is.com.ua
2002-11-30 19:26:18 +02:00
parent fd11c80400
commit 9da705ef2f
8 changed files with 96 additions and 20 deletions
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27
sql/sql_base.cc
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@ -744,7 +744,7 @@ void close_temporary_tables(THD *thd)
}
/*
Find first suitable table in given list.
Find first suitable table by alias in given list.
SYNOPSIS
find_table_in_list()
@ -767,6 +767,31 @@ TABLE_LIST * find_table_in_list(TABLE_LIST *table,
return table;
}
/*
Find real table in given list.
SYNOPSIS
find_table_in_list()
table - pointer to table list
db_name - data base name
table_name - table name
RETURN VALUES
NULL Table not found
# Pointer to found table.
*/
TABLE_LIST * find_real_table_in_list(TABLE_LIST *table,
const char *db_name,
const char *table_name)
{
for (; table; table= table->next)
if (!strcmp(table->db, db_name) &&
!strcmp(table->real_name, table_name))
break;
return table;
}
TABLE **find_temporary_table(THD *thd, const char *db, const char *table_name)
{
char key[MAX_DBKEY_LENGTH];