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BUGFIX: Fixed index creation in MSSQL.

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This commit is contained in:
Sam Minnee 2010-06-03 00:58:33 +00:00
parent 53156eb94e
commit 78d47d312f
1 changed files with 11 additions and 3 deletions
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14
code/MSSQLDatabase.php
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@ -712,14 +712,18 @@ class MSSQLDatabase extends SS_Database {
return $indexSpec;
}
/**
* Return SQL for dropping and recreating an index
*/
protected function getIndexSqlDefinition($tableName, $indexName, $indexSpec) {
$index = 'ix_' . $tableName . '_' . $indexName;
$drop = "IF EXISTS (SELECT name FROM sys.indexes WHERE name = '$index') DROP INDEX $index ON \"" . $tableName . "\";";
if(!is_array($indexSpec)) {
$indexSpec=trim($indexSpec, '()');
$bits=explode(',', $indexSpec);
$indexes="\"" . implode("\",\"", $bits) . "\"";
$index = 'ix_' . $tableName . '_' . $indexName;
$drop = "IF EXISTS (SELECT name FROM sys.indexes WHERE name = '$index') DROP INDEX $index ON \"" . $tableName . "\";";
return "$drop CREATE INDEX $index ON \"" . $tableName . "\" (" . $indexes . ");";
} else {
//create a type-specific index
@ -735,7 +739,11 @@ class MSSQLDatabase extends SS_Database {
}
if($indexSpec['type'] == 'unique') {
return 'CREATE UNIQUE INDEX ix_' . $tableName . '_' . $indexName . " ON \"" . $tableName . "\" (\"" . $indexSpec['value'] . "\");";
if(!is_array($indexSpec['value'])) $columns = preg_split('/ *, */', trim($indexSpec['value']));
else $columns = $indexSpec['value'];
$SQL_columnList = '"' . implode('", "', $columns) . '"';
return "$drop CREATE UNIQUE INDEX $index ON \"" . $tableName . "\" ($SQL_columnList);";
}
}
}