Merge pull request #1226 from folio-org/RMB-1047

RMB-1047: Fix polynomial runtime regex in PgUtil

Author: julianladisch

domain-models-runtime/src/main/java/org/folio/rest/persist/PgUtil.java

@@ -90,7 +90,7 @@ public final class PgUtil {
    * 2 = <code>=(</code>
    */
   private static final Pattern KEY_ALREADY_EXISTS_PATTERN = Pattern.compile(
-      "^Key \\(([^=]+)\\)=\\((.*)\\) already exists.$");
+      "^Key \\(([^)]+)\\)=\\((.*)\\) already exists.$");
   /**
    * Assume this String:
    * <p>
@@ -105,7 +105,7 @@ public final class PgUtil {
    * 3 = <code>users</code>
    */
   private static final Pattern KEY_NOT_PRESENT_PATTERN = Pattern.compile(
-      "^Key [(]([^=]+)[)]=[(](.*)[)] is not present in table \"(.*)\".$");
+      "^Key [(]([^)]+)[)]=(?>[(](.*)[)]) is not present in table \"([^\"]+)\".$");
   /**
    * Assume this String:
    * <p>
@@ -120,7 +120,8 @@ public final class PgUtil {
    * 3 = <code>referencing</code>
    */
   private static final Pattern KEY_STILL_REFERENCED_PATTERN = Pattern.compile(
-      "^Key [(]([^=]+)[)]=[(](.*)[)] is still referenced from table \"(.*)\".$");
+      "^Key [(]([^)]+)[)]=(?>[(](.*)[)]) is still referenced from table \"([^\"]+)\".$");
+
   /** Number of records to read from the sort index in getWithOptimizedSql and generateOptimizedSql method */
   private static int optimizedSqlSize = 10000;