* schema structure class to use.
* @param bool $isUpgradeMode
* Are we in upgrade mode therefore only build based off table not class
- * @return array
- * array of CREATE INDEX queries
+ * @return string
+ * The generated CREATE VIEW query
*/
private static function createViewQuery($locale, $table, &$dao, $class = 'CRM_Core_I18n_SchemaStructure', $isUpgradeMode = FALSE) {
$columns =& $class::columns();
$trigger = [];
foreach ($hash as $column => $_) {
- $trigger[] = "IF NEW.{$column}_{$locale} IS NOT NULL THEN";
+ $trigger[] = "IF NEW.{$column}_{$locale} IS NOT NULL AND NEW.{$column}_{$locale} != '' THEN";
foreach ($locales as $old) {
- $trigger[] = "IF NEW.{$column}_{$old} IS NULL THEN SET NEW.{$column}_{$old} = NEW.{$column}_{$locale}; END IF;";
+ $trigger[] = "IF NEW.{$column}_{$old} IS NULL OR NEW.{$column}_{$old} = '' THEN SET NEW.{$column}_{$old} = NEW.{$column}_{$locale}; END IF;";
}
foreach ($locales as $old) {
- $trigger[] = "ELSEIF NEW.{$column}_{$old} IS NOT NULL THEN";
+ $trigger[] = "ELSEIF NEW.{$column}_{$old} IS NOT NULL AND NEW.{$column}_{$old} != '' THEN";
foreach (array_merge($locales, [
$locale,
]) as $loc) {
if ($loc == $old) {
continue;
}
- $trigger[] = "IF NEW.{$column}_{$loc} IS NULL THEN SET NEW.{$column}_{$loc} = NEW.{$column}_{$old}; END IF;";
+ $trigger[] = "IF NEW.{$column}_{$loc} IS NULL OR NEW.{$column}_{$loc} = '' THEN SET NEW.{$column}_{$loc} = NEW.{$column}_{$old}; END IF;";
}
}
$trigger[] = 'END IF;';