bug #6292 Fix search engine for PostgreSQL databases when querying nu…

…mbers (javiereguiluz)

This PR was merged into the 4.x branch.

Discussion
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Fix search engine for PostgreSQL databases when querying numbers

Fixes #6290.

Commits
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063283d Fix search engine for PostgreSQL databases when querying numbers

src/Orm/EntityRepository.php

@@ -122,7 +122,8 @@ private function addSearchClause(QueryBuilder $queryBuilder, SearchDto $searchDt
                     $queryBuilder->setParameter($parameterName, $dqlParameters['uuid_query'], 'ulid');
                 } elseif ($propertyConfig['is_text'] || $propertyConfig['is_integer']) {
                     $parameterName = sprintf('query_for_text_%d', $queryTermIndex);
-                    $queryTermConditions->add(sprintf('LOWER(%s.%s) LIKE :%s', $entityName, $propertyConfig['property_name'], $parameterName));
+                    // concatenating an empty string is needed to avoid issues on PostgreSQL databases (https://github.com/EasyCorp/EasyAdminBundle/issues/6290)
+                    $queryTermConditions->add(sprintf('LOWER(CONCAT(%s.%s, \'\')) LIKE :%s', $entityName, $propertyConfig['property_name'], $parameterName));
                     $queryBuilder->setParameter($parameterName, $dqlParameters['text_query']);
                 } elseif ($propertyConfig['is_json'] && !$isPostgreSql) {
                     // neither LOWER() nor LIKE() are supported for JSON columns by all PostgreSQL installations