/** @var resource */
protected $lastResultHandle = null;
- /** @var int The number of rows affected as an integer */
- protected $lastAffectedRowCount = null;
/** @var float|string */
private $numericVersion = null;
private $connectString;
/** @var string */
private $coreSchema;
+ /** @var string */
+ private $tempSchema;
/** @var string[] Map of (reserved table name => alternate table name) */
private $keywordTableMap = [];
* - keywordTableMap : Map of reserved table names to alternative table names to use
*/
public function __construct( array $params ) {
- $this->port = isset( $params['port'] ) ? $params['port'] : false;
- $this->keywordTableMap = isset( $params['keywordTableMap'] )
- ? $params['keywordTableMap']
- : [];
+ $this->port = $params['port'] ?? false;
+ $this->keywordTableMap = $params['keywordTableMap'] ?? [];
parent::__construct( $params );
}
}
public function hasConstraint( $name ) {
- $conn = $this->getBindingHandle();
-
- $sql = "SELECT 1 FROM pg_catalog.pg_constraint c, pg_catalog.pg_namespace n " .
- "WHERE c.connamespace = n.oid AND conname = '" .
- pg_escape_string( $conn, $name ) . "' AND n.nspname = '" .
- pg_escape_string( $conn, $this->getCoreSchema() ) . "'";
- $res = $this->doQuery( $sql );
-
- return $this->numRows( $res );
+ foreach ( $this->getCoreSchemas() as $schema ) {
+ $sql = "SELECT 1 FROM pg_catalog.pg_constraint c, pg_catalog.pg_namespace n " .
+ "WHERE c.connamespace = n.oid AND conname = " .
+ $this->addQuotes( $name ) . " AND n.nspname = " .
+ $this->addQuotes( $schema );
+ $res = $this->doQuery( $sql );
+ if ( $res && $this->numRows( $res ) ) {
+ return true;
+ }
+ }
+ return false;
}
public function open( $server, $user, $password, $dbName ) {
$this->query( "SET datestyle = 'ISO, YMD'", __METHOD__ );
$this->query( "SET timezone = 'GMT'", __METHOD__ );
$this->query( "SET standard_conforming_strings = on", __METHOD__ );
- if ( $this->getServerVersion() >= 9.0 ) {
- $this->query( "SET bytea_output = 'escape'", __METHOD__ ); // PHP bug 53127
- }
+ $this->query( "SET bytea_output = 'escape'", __METHOD__ ); // PHP bug 53127
$this->determineCoreSchema( $this->schema );
// The schema to be used is now in the search path; no need for explicit qualification
throw new DBUnexpectedError( $this, "Unable to post new query to PostgreSQL\n" );
}
$this->lastResultHandle = pg_get_result( $conn );
- $this->lastAffectedRowCount = null;
if ( pg_result_error( $this->lastResultHandle ) ) {
return false;
}
}
}
- public function reportQueryError( $error, $errno, $sql, $fname, $tempIgnore = false ) {
- if ( $tempIgnore ) {
- /* Check for constraint violation */
- if ( $errno === '23505' ) {
- parent::reportQueryError( $error, $errno, $sql, $fname, $tempIgnore );
-
- return;
- }
- }
- /* Transaction stays in the ERROR state until rolled back */
- if ( $this->trxLevel ) {
- // Throw away the transaction state, then raise the error as normal.
- // Note that if this connection is managed by LBFactory, it's already expected
- // that the other transactions LBFactory manages will be rolled back.
- $this->rollback( __METHOD__, self::FLUSHING_INTERNAL );
- }
- parent::reportQueryError( $error, $errno, $sql, $fname, false );
- }
-
public function freeResult( $res ) {
if ( $res instanceof ResultWrapper ) {
$res = $res->result;
}
protected function fetchAffectedRowCount() {
- if ( !is_null( $this->lastAffectedRowCount ) ) {
- // Forced result for simulated queries
- return $this->lastAffectedRowCount;
- }
if ( !$this->lastResultHandle ) {
return 0;
}
public function indexAttributes( $index, $schema = false ) {
if ( $schema === false ) {
- $schema = $this->getCoreSchema();
- }
- /*
- * A subquery would be not needed if we didn't care about the order
- * of attributes, but we do
- */
- $sql = <<<__INDEXATTR__
-
- SELECT opcname,
- attname,
- i.indoption[s.g] as option,
- pg_am.amname
- FROM
- (SELECT generate_series(array_lower(isub.indkey,1), array_upper(isub.indkey,1)) AS g
- FROM
- pg_index isub
- JOIN pg_class cis
- ON cis.oid=isub.indexrelid
- JOIN pg_namespace ns
- ON cis.relnamespace = ns.oid
- WHERE cis.relname='$index' AND ns.nspname='$schema') AS s,
- pg_attribute,
- pg_opclass opcls,
- pg_am,
- pg_class ci
- JOIN pg_index i
- ON ci.oid=i.indexrelid
- JOIN pg_class ct
- ON ct.oid = i.indrelid
- JOIN pg_namespace n
- ON ci.relnamespace = n.oid
- WHERE
- ci.relname='$index' AND n.nspname='$schema'
- AND attrelid = ct.oid
- AND i.indkey[s.g] = attnum
- AND i.indclass[s.g] = opcls.oid
- AND pg_am.oid = opcls.opcmethod
+ $schemas = $this->getCoreSchemas();
+ } else {
+ $schemas = [ $schema ];
+ }
+
+ $eindex = $this->addQuotes( $index );
+
+ foreach ( $schemas as $schema ) {
+ $eschema = $this->addQuotes( $schema );
+ /*
+ * A subquery would be not needed if we didn't care about the order
+ * of attributes, but we do
+ */
+ $sql = <<<__INDEXATTR__
+
+ SELECT opcname,
+ attname,
+ i.indoption[s.g] as option,
+ pg_am.amname
+ FROM
+ (SELECT generate_series(array_lower(isub.indkey,1), array_upper(isub.indkey,1)) AS g
+ FROM
+ pg_index isub
+ JOIN pg_class cis
+ ON cis.oid=isub.indexrelid
+ JOIN pg_namespace ns
+ ON cis.relnamespace = ns.oid
+ WHERE cis.relname=$eindex AND ns.nspname=$eschema) AS s,
+ pg_attribute,
+ pg_opclass opcls,
+ pg_am,
+ pg_class ci
+ JOIN pg_index i
+ ON ci.oid=i.indexrelid
+ JOIN pg_class ct
+ ON ct.oid = i.indrelid
+ JOIN pg_namespace n
+ ON ci.relnamespace = n.oid
+ WHERE
+ ci.relname=$eindex AND n.nspname=$eschema
+ AND attrelid = ct.oid
+ AND i.indkey[s.g] = attnum
+ AND i.indclass[s.g] = opcls.oid
+ AND pg_am.oid = opcls.opcmethod
__INDEXATTR__;
- $res = $this->query( $sql, __METHOD__ );
- $a = [];
- if ( $res ) {
- foreach ( $res as $row ) {
- $a[] = [
- $row->attname,
- $row->opcname,
- $row->amname,
- $row->option ];
+ $res = $this->query( $sql, __METHOD__ );
+ $a = [];
+ if ( $res ) {
+ foreach ( $res as $row ) {
+ $a[] = [
+ $row->attname,
+ $row->opcname,
+ $row->amname,
+ $row->option ];
+ }
+ return $a;
}
- } else {
- return null;
}
-
- return $a;
+ return null;
}
public function indexUnique( $table, $index, $fname = __METHOD__ ) {
return parent::selectSQLText( $table, $vars, $conds, $fname, $options, $join_conds );
}
- /**
- * INSERT wrapper, inserts an array into a table
- *
- * $args may be a single associative array, or an array of these with numeric keys,
- * for multi-row insert (Postgres version 8.2 and above only).
- *
- * @param string $table Name of the table to insert to.
- * @param array $args Items to insert into the table.
- * @param string $fname Name of the function, for profiling
- * @param array|string $options String or array. Valid options: IGNORE
- * @return bool Success of insert operation. IGNORE always returns true.
- */
+ /** @inheritDoc */
public function insert( $table, $args, $fname = __METHOD__, $options = [] ) {
if ( !count( $args ) ) {
return true;
}
if ( isset( $args[0] ) && is_array( $args[0] ) ) {
- $multi = true;
+ $rows = $args;
$keys = array_keys( $args[0] );
} else {
- $multi = false;
+ $rows = [ $args ];
$keys = array_keys( $args );
}
- // If IGNORE is set, we use savepoints to emulate mysql's behavior
- // @todo If PostgreSQL 9.5+, we could use ON CONFLICT DO NOTHING instead
- $savepoint = $olde = null;
- $numrowsinserted = 0;
- if ( in_array( 'IGNORE', $options ) ) {
- $savepoint = new SavepointPostgres( $this, 'mw', $this->queryLogger );
- $olde = error_reporting( 0 );
- // For future use, we may want to track the number of actual inserts
- // Right now, insert (all writes) simply return true/false
- }
+ $ignore = in_array( 'IGNORE', $options );
$sql = "INSERT INTO $table (" . implode( ',', $keys ) . ') VALUES ';
- if ( $multi ) {
- if ( $this->numericVersion >= 8.2 && !$savepoint ) {
- $first = true;
- foreach ( $args as $row ) {
- if ( $first ) {
- $first = false;
- } else {
- $sql .= ',';
- }
- $sql .= '(' . $this->makeList( $row ) . ')';
+ if ( $this->numericVersion >= 9.5 || !$ignore ) {
+ // No IGNORE or our PG has "ON CONFLICT DO NOTHING"
+ $first = true;
+ foreach ( $rows as $row ) {
+ if ( $first ) {
+ $first = false;
+ } else {
+ $sql .= ',';
}
- $res = (bool)$this->query( $sql, $fname, $savepoint );
- } else {
- $res = true;
- $origsql = $sql;
- foreach ( $args as $row ) {
- $tempsql = $origsql;
+ $sql .= '(' . $this->makeList( $row ) . ')';
+ }
+ if ( $ignore ) {
+ $sql .= ' ON CONFLICT DO NOTHING';
+ }
+ $this->query( $sql, $fname );
+ } else {
+ // Emulate IGNORE by doing each row individually, with savepoints
+ // to roll back as necessary.
+ $numrowsinserted = 0;
+
+ $tok = $this->startAtomic( "$fname (outer)", self::ATOMIC_CANCELABLE );
+ try {
+ foreach ( $rows as $row ) {
+ $tempsql = $sql;
$tempsql .= '(' . $this->makeList( $row ) . ')';
- if ( $savepoint ) {
- $savepoint->savepoint();
- }
-
- $tempres = (bool)$this->query( $tempsql, $fname, $savepoint );
-
- if ( $savepoint ) {
- $bar = pg_result_error( $this->lastResultHandle );
- if ( $bar != false ) {
- $savepoint->rollback();
- } else {
- $savepoint->release();
- $numrowsinserted++;
+ $this->startAtomic( "$fname (inner)", self::ATOMIC_CANCELABLE );
+ try {
+ $this->query( $tempsql, $fname );
+ $this->endAtomic( "$fname (inner)" );
+ $numrowsinserted++;
+ } catch ( DBQueryError $e ) {
+ $this->cancelAtomic( "$fname (inner)" );
+ // Our IGNORE is supposed to ignore duplicate key errors, but not others.
+ // (even though MySQL's version apparently ignores all errors)
+ if ( $e->errno !== '23505' ) {
+ throw $e;
}
}
-
- // If any of them fail, we fail overall for this function call
- // Note that this will be ignored if IGNORE is set
- if ( !$tempres ) {
- $res = false;
- }
}
+ } catch ( Exception $e ) {
+ $this->cancelAtomic( "$fname (outer)", $tok );
+ throw $e;
}
- } else {
- // Not multi, just a lone insert
- if ( $savepoint ) {
- $savepoint->savepoint();
- }
-
- $sql .= '(' . $this->makeList( $args ) . ')';
- $res = (bool)$this->query( $sql, $fname, $savepoint );
- if ( $savepoint ) {
- $bar = pg_result_error( $this->lastResultHandle );
- if ( $bar != false ) {
- $savepoint->rollback();
- } else {
- $savepoint->release();
- $numrowsinserted++;
- }
- }
- }
- if ( $savepoint ) {
- error_reporting( $olde );
- $savepoint->commit();
+ $this->endAtomic( "$fname (outer)" );
// Set the affected row count for the whole operation
- $this->lastAffectedRowCount = $numrowsinserted;
-
- // IGNORE always returns true
- return true;
+ $this->affectedRowCount = $numrowsinserted;
}
- return $res;
+ return true;
}
/**
$insertOptions = [ $insertOptions ];
}
- /*
- * If IGNORE is set, use the non-native version.
- * @todo If PostgreSQL 9.5+, we could use ON CONFLICT DO NOTHING
- */
if ( in_array( 'IGNORE', $insertOptions ) ) {
- return $this->nonNativeInsertSelect(
- $destTable, $srcTable, $varMap, $conds, $fname, $insertOptions, $selectOptions, $selectJoinConds
- );
+ if ( $this->getServerVersion() >= 9.5 ) {
+ // Use ON CONFLICT DO NOTHING if we have it for IGNORE
+ $destTable = $this->tableName( $destTable );
+
+ $selectSql = $this->selectSQLText(
+ $srcTable,
+ array_values( $varMap ),
+ $conds,
+ $fname,
+ $selectOptions,
+ $selectJoinConds
+ );
+
+ $sql = "INSERT INTO $destTable (" . implode( ',', array_keys( $varMap ) ) . ') ' .
+ $selectSql . ' ON CONFLICT DO NOTHING';
+
+ return $this->query( $sql, $fname );
+ } else {
+ // IGNORE and we don't have ON CONFLICT DO NOTHING, so just use the non-native version
+ return $this->nonNativeInsertSelect(
+ $destTable, $srcTable, $varMap, $conds, $fname,
+ $insertOptions, $selectOptions, $selectJoinConds
+ );
+ }
}
return parent::nativeInsertSelect( $destTable, $srcTable, $varMap, $conds, $fname,
* @return string Value of $name or remapped name if $name is a reserved keyword
*/
public function remappedTableName( $name ) {
- return isset( $this->keywordTableMap[$name] ) ? $this->keywordTableMap[$name] : $name;
+ return $this->keywordTableMap[$name] ?? $name;
}
/**
}
public function wasDeadlock() {
- // https://www.postgresql.org/docs/8.2/static/errcodes-appendix.html
+ // https://www.postgresql.org/docs/9.2/static/errcodes-appendix.html
return $this->lastErrno() === '40P01';
}
public function wasLockTimeout() {
- // https://www.postgresql.org/docs/8.2/static/errcodes-appendix.html
+ // https://www.postgresql.org/docs/9.2/static/errcodes-appendix.html
return $this->lastErrno() === '55P03';
}
public function wasConnectionError( $errno ) {
- // https://www.postgresql.org/docs/8.2/static/errcodes-appendix.html
+ // https://www.postgresql.org/docs/9.2/static/errcodes-appendix.html
static $codes = [ '08000', '08003', '08006', '08001', '08004', '57P01', '57P03', '53300' ];
return in_array( $errno, $codes, true );
}
+ protected function wasKnownStatementRollbackError() {
+ return false; // transaction has to be rolled-back from error state
+ }
+
public function duplicateTableStructure(
$oldName, $newName, $temporary = false, $fname = __METHOD__
) {
- $newName = $this->addIdentifierQuotes( $newName );
- $oldName = $this->addIdentifierQuotes( $oldName );
+ $newNameE = $this->addIdentifierQuotes( $newName );
+ $oldNameE = $this->addIdentifierQuotes( $oldName );
+
+ $temporary = $temporary ? 'TEMPORARY' : '';
+
+ $ret = $this->query( "CREATE $temporary TABLE $newNameE " .
+ "(LIKE $oldNameE INCLUDING DEFAULTS INCLUDING INDEXES)", $fname );
+ if ( !$ret ) {
+ return $ret;
+ }
+
+ $res = $this->query( 'SELECT attname FROM pg_class c'
+ . ' JOIN pg_namespace n ON (n.oid = c.relnamespace)'
+ . ' JOIN pg_attribute a ON (a.attrelid = c.oid)'
+ . ' JOIN pg_attrdef d ON (c.oid=d.adrelid and a.attnum=d.adnum)'
+ . ' WHERE relkind = \'r\''
+ . ' AND nspname = ' . $this->addQuotes( $this->getCoreSchema() )
+ . ' AND relname = ' . $this->addQuotes( $oldName )
+ . ' AND adsrc LIKE \'nextval(%\'',
+ $fname
+ );
+ $row = $this->fetchObject( $res );
+ if ( $row ) {
+ $field = $row->attname;
+ $newSeq = "{$newName}_{$field}_seq";
+ $fieldE = $this->addIdentifierQuotes( $field );
+ $newSeqE = $this->addIdentifierQuotes( $newSeq );
+ $newSeqQ = $this->addQuotes( $newSeq );
+ $this->query( "CREATE $temporary SEQUENCE $newSeqE OWNED BY $newNameE.$fieldE", $fname );
+ $this->query(
+ "ALTER TABLE $newNameE ALTER COLUMN $fieldE SET DEFAULT nextval({$newSeqQ}::regclass)",
+ $fname
+ );
+ }
- return $this->query( 'CREATE ' . ( $temporary ? 'TEMPORARY ' : '' ) . " TABLE $newName " .
- "(LIKE $oldName INCLUDING DEFAULTS INCLUDING INDEXES)", $fname );
+ return $ret;
+ }
+
+ public function resetSequenceForTable( $table, $fname = __METHOD__ ) {
+ $table = $this->tableName( $table, 'raw' );
+ foreach ( $this->getCoreSchemas() as $schema ) {
+ $res = $this->query(
+ 'SELECT c.oid FROM pg_class c JOIN pg_namespace n ON (n.oid = c.relnamespace)'
+ . ' WHERE relkind = \'r\''
+ . ' AND nspname = ' . $this->addQuotes( $schema )
+ . ' AND relname = ' . $this->addQuotes( $table ),
+ $fname
+ );
+ if ( !$res || !$this->numRows( $res ) ) {
+ continue;
+ }
+
+ $oid = $this->fetchObject( $res )->oid;
+ $res = $this->query( 'SELECT adsrc FROM pg_attribute a'
+ . ' JOIN pg_attrdef d ON (a.attrelid=d.adrelid and a.attnum=d.adnum)'
+ . " WHERE a.attrelid = $oid"
+ . ' AND adsrc LIKE \'nextval(%\'',
+ $fname
+ );
+ $row = $this->fetchObject( $res );
+ if ( $row ) {
+ $this->query(
+ 'SELECT ' . preg_replace( '/^nextval\((.+)\)$/', 'setval($1,1,false)', $row->adsrc ),
+ $fname
+ );
+ return true;
+ }
+ return false;
+ }
+
+ return false;
}
public function listTables( $prefix = null, $fname = __METHOD__ ) {
- $eschema = $this->addQuotes( $this->getCoreSchema() );
+ $eschemas = implode( ',', array_map( [ $this, 'addQuotes' ], $this->getCoreSchemas() ) );
$result = $this->query(
- "SELECT tablename FROM pg_tables WHERE schemaname = $eschema", $fname );
+ "SELECT DISTINCT tablename FROM pg_tables WHERE schemaname IN ($eschemas)", $fname );
$endArray = [];
foreach ( $result as $table ) {
return $this->coreSchema;
}
+ /**
+ * Return schema names for temporary tables and core application tables
+ *
+ * @since 1.31
+ * @return string[] schema names
+ */
+ public function getCoreSchemas() {
+ if ( $this->tempSchema ) {
+ return [ $this->tempSchema, $this->getCoreSchema() ];
+ }
+
+ $res = $this->query(
+ "SELECT nspname FROM pg_catalog.pg_namespace n WHERE n.oid = pg_my_temp_schema()", __METHOD__
+ );
+ $row = $this->fetchObject( $res );
+ if ( $row ) {
+ $this->tempSchema = $row->nspname;
+ return [ $this->tempSchema, $this->getCoreSchema() ];
+ }
+
+ return [ $this->getCoreSchema() ];
+ }
+
public function getServerVersion() {
if ( !isset( $this->numericVersion ) ) {
$conn = $this->getBindingHandle();
$types = [ $types ];
}
if ( $schema === false ) {
- $schema = $this->getCoreSchema();
+ $schemas = $this->getCoreSchemas();
+ } else {
+ $schemas = [ $schema ];
}
$table = $this->realTableName( $table, 'raw' );
$etable = $this->addQuotes( $table );
- $eschema = $this->addQuotes( $schema );
- $sql = "SELECT 1 FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n "
- . "WHERE c.relnamespace = n.oid AND c.relname = $etable AND n.nspname = $eschema "
- . "AND c.relkind IN ('" . implode( "','", $types ) . "')";
- $res = $this->query( $sql );
- $count = $res ? $res->numRows() : 0;
+ foreach ( $schemas as $schema ) {
+ $eschema = $this->addQuotes( $schema );
+ $sql = "SELECT 1 FROM pg_catalog.pg_class c, pg_catalog.pg_namespace n "
+ . "WHERE c.relnamespace = n.oid AND c.relname = $etable AND n.nspname = $eschema "
+ . "AND c.relkind IN ('" . implode( "','", $types ) . "')";
+ $res = $this->query( $sql );
+ if ( $res && $res->numRows() ) {
+ return true;
+ }
+ }
- return (bool)$count;
+ return false;
}
/**
AND tgrelid=pg_class.oid
AND nspname=%s AND relname=%s AND tgname=%s
SQL;
- $res = $this->query(
- sprintf(
- $q,
- $this->addQuotes( $this->getCoreSchema() ),
- $this->addQuotes( $table ),
- $this->addQuotes( $trigger )
- )
- );
- if ( !$res ) {
- return null;
+ foreach ( $this->getCoreSchemas() as $schema ) {
+ $res = $this->query(
+ sprintf(
+ $q,
+ $this->addQuotes( $schema ),
+ $this->addQuotes( $table ),
+ $this->addQuotes( $trigger )
+ )
+ );
+ if ( $res && $res->numRows() ) {
+ return true;
+ }
}
- $rows = $res->numRows();
- return $rows;
+ return false;
}
public function ruleExists( $table, $rule ) {
[
'rulename' => $rule,
'tablename' => $table,
- 'schemaname' => $this->getCoreSchema()
+ 'schemaname' => $this->getCoreSchemas()
]
);
}
public function constraintExists( $table, $constraint ) {
- $sql = sprintf( "SELECT 1 FROM information_schema.table_constraints " .
- "WHERE constraint_schema = %s AND table_name = %s AND constraint_name = %s",
- $this->addQuotes( $this->getCoreSchema() ),
- $this->addQuotes( $table ),
- $this->addQuotes( $constraint )
- );
- $res = $this->query( $sql );
- if ( !$res ) {
- return null;
+ foreach ( $this->getCoreSchemas() as $schema ) {
+ $sql = sprintf( "SELECT 1 FROM information_schema.table_constraints " .
+ "WHERE constraint_schema = %s AND table_name = %s AND constraint_name = %s",
+ $this->addQuotes( $schema ),
+ $this->addQuotes( $table ),
+ $this->addQuotes( $constraint )
+ );
+ $res = $this->query( $sql );
+ if ( $res && $res->numRows() ) {
+ return true;
+ }
}
- $rows = $res->numRows();
-
- return $rows;
+ return false;
}
/**
return "'" . pg_escape_string( $conn, (string)$s ) . "'";
}
- /**
- * Postgres specific version of replaceVars.
- * Calls the parent version in Database.php
- *
- * @param string $ins SQL string, read from a stream (usually tables.sql)
- * @return string SQL string
- */
- protected function replaceVars( $ins ) {
- $ins = parent::replaceVars( $ins );
-
- if ( $this->numericVersion >= 8.3 ) {
- // Thanks for not providing backwards-compatibility, 8.3
- $ins = preg_replace( "/to_tsvector\s*\(\s*'default'\s*,/", 'to_tsvector(', $ins );
- }
-
- if ( $this->numericVersion <= 8.1 ) { // Our minimum version
- $ins = str_replace( 'USING gin', 'USING gist', $ins );
- }
-
- return $ins;
- }
-
public function makeSelectOptions( $options ) {
$preLimitTail = $postLimitTail = '';
$startOpts = $useIndex = $ignoreIndex = '';
if ( !parent::lockIsFree( $lockName, $method ) ) {
return false; // already held
}
- // http://www.postgresql.org/docs/8.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
+ // http://www.postgresql.org/docs/9.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
$key = $this->addQuotes( $this->bigintFromLockName( $lockName ) );
$result = $this->query( "SELECT (CASE(pg_try_advisory_lock($key))
WHEN 'f' THEN 'f' ELSE pg_advisory_unlock($key) END) AS lockstatus", $method );
}
public function lock( $lockName, $method, $timeout = 5 ) {
- // http://www.postgresql.org/docs/8.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
+ // http://www.postgresql.org/docs/9.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
$key = $this->addQuotes( $this->bigintFromLockName( $lockName ) );
$loop = new WaitConditionLoop(
function () use ( $lockName, $key, $timeout, $method ) {
}
public function unlock( $lockName, $method ) {
- // http://www.postgresql.org/docs/8.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
+ // http://www.postgresql.org/docs/9.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS
$key = $this->addQuotes( $this->bigintFromLockName( $lockName ) );
$result = $this->query( "SELECT pg_advisory_unlock($key) as lockstatus", $method );
$row = $this->fetchObject( $result );
}
}
+/**
+ * @deprecated since 1.29
+ */
class_alias( DatabasePostgres::class, 'DatabasePostgres' );