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NEW Allow querying if a field exists on a table
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@ -143,7 +143,7 @@ abstract class SS_Database {
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* Returns true if the given table exists in the database
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*/
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abstract function hasTable($tableName);
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/**
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* Returns the enum values available on the given field
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*/
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@ -439,6 +439,18 @@ abstract class SS_Database {
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}
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}
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/**
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* Return true if the table exists and already has a the field specified
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* @param string $tableName - The table to check
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* @param string $fieldName - The field to check
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* @return bool - True if the table exists and the field exists on the table
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*/
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function hasField($tableName, $fieldName) {
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if (!$this->hasTable($tableName)) return false;
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$fields = $this->fieldList($tableName);
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return array_key_exists($fieldName, $fields);
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}
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/**
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* Generate the given field on the table, modifying whatever already exists as necessary.
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* @param string $table The table name.
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