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NEW Allow querying if a field exists on a table

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This commit is contained in:
Hamish Friedlander 2012-08-29 15:08:26 +12:00
parent abbce151d9
commit cc2e250719
1 changed files with 13 additions and 1 deletions
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14
model/Database.php
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@ -143,7 +143,7 @@ abstract class SS_Database {
* Returns true if the given table exists in the database * Returns true if the given table exists in the database
*/ */
abstract function hasTable($tableName); abstract function hasTable($tableName);
/** /**
* Returns the enum values available on the given field * Returns the enum values available on the given field
*/ */
@ -439,6 +439,18 @@ abstract class SS_Database {
} }
} }
/**
* Return true if the table exists and already has a the field specified
* @param string $tableName - The table to check
* @param string $fieldName - The field to check
* @return bool - True if the table exists and the field exists on the table
*/
function hasField($tableName, $fieldName) {
if (!$this->hasTable($tableName)) return false;
$fields = $this->fieldList($tableName);
return array_key_exists($fieldName, $fields);
}
/** /**
* Generate the given field on the table, modifying whatever already exists as necessary. * Generate the given field on the table, modifying whatever already exists as necessary.
* @param string $table The table name. * @param string $table The table name.