1082235 weblink tags better sql expression

entity/Weblink_entity/recordcontainers/db/recordfieldmappings/tags.value/expression.js

 import("system.result");
-result.string("(SELECT GROUP_CONCAT(CONCAT(' ', TITLE)) from ab_keyword_entry join WEBLINKTAG on "
-+" KEYID = WEBLINKTAG.TAG join ab_keyword_category on ab_keyword_category_id = ab_keyword_categoryid where WEBLINKTAG.WEBLINK_ID = WEBLINKID and AB_KEYWORD_CATEGORY.NAME = 'WeblinkTags')");
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+import("Sql_lib");
+
+var sqlMask = new SqlMaskingUtils();
+var sql = newSelect(sqlMask.getGroupConcat("TITLE", "', '"))
+    .from("AB_KEYWORD_ENTRY")
+    .join("WEBLINKTAG", "KEYID = WEBLINKTAG.TAG")
+    .join("AB_KEYWORD_CATEGORY", "AB_KEYWORD_CATEGORY_ID = AB_KEYWORD_CATEGORYID")
+    .where("WEBLINKTAG.WEBLINK_ID = WEBLINKID")
+    .and("AB_KEYWORD_CATEGORY.NAME", "WeblinkTags");
+    
+result.string(sql.toString());
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