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FullTextSearch performance improvement

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This commit is contained in:
Andrii Shvaika 2020-08-05 16:05:54 +03:00
parent b0102f523f
commit eef092424a
1 changed files with 4 additions and 8 deletions
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12
dao/src/main/java/org/thingsboard/server/dao/sql/query/DefaultEntityQueryRepository.java
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@ -550,14 +550,10 @@ public class DefaultEntityQueryRepository implements EntityQueryRepository {
private String buildTextSearchQuery(QueryContext ctx, List<EntityKeyMapping> selectionMapping, String searchText) {
if (!StringUtils.isEmpty(searchText) && !selectionMapping.isEmpty()) {
String lowerSearchText = searchText.toLowerCase() + "%";
List<String> searchPredicates = selectionMapping.stream().map(mapping -> {
String paramName = mapping.getValueAlias() + "_lowerSearchText";
ctx.addStringParameter(paramName, lowerSearchText);
return String.format("LOWER(%s) LIKE concat('%%', :%s, '%%')", mapping.getValueAlias(), paramName);
}
).collect(Collectors.toList());
return String.format(" WHERE %s", String.join(" or ", searchPredicates));
String lowerSearchText = "%" + searchText.toLowerCase() + "%";
ctx.addStringParameter("lowerSearchTextParam", lowerSearchText);
List<String> searchAliases = selectionMapping.stream().map(EntityKeyMapping::getValueAlias).collect(Collectors.toList());
return String.format(" WHERE LOWER(CONCAT(%s)) LIKE :%s", String.join(" , ", searchAliases), "lowerSearchTextParam");
} else {
return "";
}