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| @@ 938-944 (lines=7) @@ | ||
| 935 | * @return bool |
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| 936 | * @since 1.20 |
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| 937 | */ |
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| 938 | public function lockIsFree( $lockName, $method ) { |
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| 939 | $lockName = $this->addQuotes( $this->makeLockName( $lockName ) ); |
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| 940 | $result = $this->query( "SELECT IS_FREE_LOCK($lockName) AS lockstatus", $method ); |
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| 941 | $row = $this->fetchObject( $result ); |
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| 942 | ||
| 943 | return ( $row->lockstatus == 1 ); |
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| 944 | } |
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| 945 | ||
| 946 | /** |
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| 947 | * @param string $lockName |
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| @@ 1559-1566 (lines=8) @@ | ||
| 1556 | * @return bool |
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| 1557 | * @since 1.20 |
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| 1558 | */ |
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| 1559 | public function lockIsFree( $lockName, $method ) { |
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| 1560 | $key = $this->addQuotes( $this->bigintFromLockName( $lockName ) ); |
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| 1561 | $result = $this->query( "SELECT (CASE(pg_try_advisory_lock($key)) |
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| 1562 | WHEN 'f' THEN 'f' ELSE pg_advisory_unlock($key) END) AS lockstatus", $method ); |
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| 1563 | $row = $this->fetchObject( $result ); |
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| 1564 | ||
| 1565 | return ( $row->lockstatus === 't' ); |
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| 1566 | } |
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| 1567 | ||
| 1568 | /** |
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| 1569 | * See http://www.postgresql.org/docs/8.2/static/functions-admin.html#FUNCTIONS-ADVISORY-LOCKS |
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