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MDEV-14404 Don't use LEX::check_exists in ALTER SEQUENCE

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This commit is contained in:
Alexander Barkov
2017-11-15 19:18:28 +04:00
parent 7663773e56
commit 1c34608436
4 changed files with 10 additions and 8 deletions
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6
sql/sql_alter.h
View File

@@ -387,13 +387,15 @@ public:
/**
Sql_cmd_alter_sequence represents the ALTER SEQUENCE statement.
*/
class Sql_cmd_alter_sequence : public Sql_cmd
class Sql_cmd_alter_sequence : public Sql_cmd,
public DDL_options
{
public:
/**
Constructor, used to represent a ALTER TABLE statement.
*/
Sql_cmd_alter_sequence()
Sql_cmd_alter_sequence(const DDL_options &options)
:DDL_options(options)
{}
~Sql_cmd_alter_sequence()

4
sql/sql_sequence.cc
View File

@@ -851,10 +851,10 @@ bool Sql_cmd_alter_sequence::execute(THD *thd)
if (check_grant(thd, ALTER_ACL, first_table, FALSE, UINT_MAX, FALSE))
DBUG_RETURN(TRUE); /* purecov: inspected */
if (lex->check_exists)
if (if_exists())
thd->push_internal_handler(&no_such_table_handler);
error= open_and_lock_tables(thd, first_table, FALSE, 0);
if (lex->check_exists)
if (if_exists())
{
trapped_errors= no_such_table_handler.safely_trapped_errors();
thd->pop_internal_handler();

4
sql/sql_yacc.yy
View File

@@ -7314,7 +7314,7 @@ alter:
Lex->create_info.set($2);
Lex->sql_command= SQLCOM_ALTER_USER;
}
| ALTER SEQUENCE_SYM opt_if_exists_table_element
| ALTER SEQUENCE_SYM opt_if_exists
{
LEX *lex= Lex;
lex->name= null_clex_str;
@@ -7337,7 +7337,7 @@ alter:
sequence_defs
{
/* Create a generic ALTER SEQUENCE statment. */
Lex->m_sql_cmd= new (thd->mem_root) Sql_cmd_alter_sequence();
Lex->m_sql_cmd= new (thd->mem_root) Sql_cmd_alter_sequence($3);
if (Lex->m_sql_cmd == NULL)
MYSQL_YYABORT;
}

4
sql/sql_yacc_ora.yy
View File

@@ -7301,7 +7301,7 @@ alter:
Lex->create_info.set($2);
Lex->sql_command= SQLCOM_ALTER_USER;
}
| ALTER SEQUENCE_SYM opt_if_exists_table_element
| ALTER SEQUENCE_SYM opt_if_exists
{
LEX *lex= Lex;
lex->name= null_clex_str;
@@ -7324,7 +7324,7 @@ alter:
sequence_defs
{
/* Create a generic ALTER SEQUENCE statment. */
Lex->m_sql_cmd= new (thd->mem_root) Sql_cmd_alter_sequence();
Lex->m_sql_cmd= new (thd->mem_root) Sql_cmd_alter_sequence($3);
if (Lex->m_sql_cmd == NULL)
MYSQL_YYABORT;
}