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MDL-32434 allow database_manager->drop_table() for temporary tables

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This commit is contained in:
Petr Skoda 2012-04-13 13:58:35 +02:00
parent 668a499d89
commit 9b3323b8be
5 changed files with 91 additions and 18 deletions
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24
lib/ddl/mssql_sql_generator.php
View File

@ -136,13 +136,29 @@ class mssql_sql_generator extends sql_generator {
}
/**
* Given one correct xmldb_table and the new name, returns the SQL statements
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array).
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTableSQL($xmldb_table) {
$sqlarr = parent::getDropTableSQL($xmldb_table);
if ($this->temptables->is_temptable($xmldb_table->getName())) {
$this->temptables->delete_temptable($xmldb_table->getName());
}
return $sqlarr;
}
/**
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array)
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTempTableSQL($xmldb_table) {
$sqlarr = $this->getDropTableSQL($xmldb_table);
$this->temptables->delete_temptable($xmldb_table->getName());
return $sqlarr;
return $this->getDropTableSQL($xmldb_table);
}
/**

26
lib/ddl/mysql_sql_generator.php
View File

@ -134,14 +134,30 @@ class mysql_sql_generator extends sql_generator {
}
/**
* Given one correct xmldb_table and the new name, returns the SQL statements
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array).
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTableSQL($xmldb_table) {
$sqlarr = parent::getDropTableSQL($xmldb_table);
if ($this->temptables->is_temptable($xmldb_table->getName())) {
$sqlarr = preg_replace('/^DROP TABLE/', "DROP TEMPORARY TABLE", $sqlarr);
$this->temptables->delete_temptable($xmldb_table->getName());
}
return $sqlarr;
}
/**
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array)
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTempTableSQL($xmldb_table) {
$sqlarr = $this->getDropTableSQL($xmldb_table);
$sqlarr = preg_replace('/^DROP TABLE/', "DROP TEMPORARY TABLE", $sqlarr);
$this->temptables->delete_temptable($xmldb_table->getName());
return $sqlarr;
return $this->getDropTableSQL($xmldb_table);
}
/**

26
lib/ddl/oracle_sql_generator.php
View File

@ -122,14 +122,30 @@ class oracle_sql_generator extends sql_generator {
}
/**
* Given one correct xmldb_table and the new name, returns the SQL statements
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array).
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTableSQL($xmldb_table) {
$sqlarr = parent::getDropTableSQL($xmldb_table);
if ($this->temptables->is_temptable($xmldb_table->getName())) {
array_unshift($sqlarr, "TRUNCATE TABLE ". $this->getTableName($xmldb_table)); // oracle requires truncate before being able to drop a temp table
$this->temptables->delete_temptable($xmldb_table->getName());
}
return $sqlarr;
}
/**
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array)
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTempTableSQL($xmldb_table) {
$sqlarr = $this->getDropTableSQL($xmldb_table);
array_unshift($sqlarr, "TRUNCATE TABLE ". $this->getTableName($xmldb_table)); // oracle requires truncate before being able to drop a temp table
$this->temptables->delete_temptable($xmldb_table->getName());
return $sqlarr;
return $this->getDropTableSQL($xmldb_table);
}
/**

24
lib/ddl/postgres_sql_generator.php
View File

@ -86,13 +86,29 @@ class postgres_sql_generator extends sql_generator {
}
/**
* Given one correct xmldb_table and the new name, returns the SQL statements
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array).
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTableSQL($xmldb_table) {
$sqlarr = parent::getDropTableSQL($xmldb_table);
if ($this->temptables->is_temptable($xmldb_table->getName())) {
$this->temptables->delete_temptable($xmldb_table->getName());
}
return $sqlarr;
}
/**
* Given one correct xmldb_table, returns the SQL statements
* to drop it (inside one array)
*
* @param xmldb_table $xmldb_table The table to drop.
* @return array SQL statement(s) for dropping the specified table.
*/
public function getDropTempTableSQL($xmldb_table) {
$sqlarr = $this->getDropTableSQL($xmldb_table);
$this->temptables->delete_temptable($xmldb_table->getName());
return $sqlarr;
return $this->getDropTableSQL($xmldb_table);
}
/**

9
lib/ddl/tests/ddl_test.php
View File

@ -1533,6 +1533,15 @@ class ddl_testcase extends database_driver_testcase {
$dbman->drop_temp_table($table0);
$this->assertFalse($dbman->table_exists('test_table0'));
// Create another temp table1
$table1 = $this->tables['test_table1'];
$dbman->create_temp_table($table1);
$this->assertTrue($dbman->table_exists('test_table1'));
// make sure it can be dropped using normal drop_table() - since 2.3
$dbman->drop_table($table1);
$this->assertFalse($dbman->table_exists('test_table1'));
// Have dropped all these temp tables here, to avoid conflicts with other (normal tables) tests!
}