Merge pull request #1402 from h2database/dup-cond

Duplicate conditions in column check constraint

h2/src/main/org/h2/table/Column.java

@@ -691,7 +691,9 @@ public class Column {
         if (expr == null) {
             return;
         }
+        if (resolver == null) {
             resolver = new SingleColumnResolver(this);
+        }
         synchronized (this) {
             String oldName = name;
             if (name == null) {
@@ -708,7 +710,7 @@ public class Column {
         }
         if (checkConstraint == null) {
             checkConstraint = expr;
-        } else {
+        } else if (!expr.getSQL().equals(checkConstraintSQL)) {
             checkConstraint = new ConditionAndOr(ConditionAndOr.AND, checkConstraint, expr);
         }
         checkConstraintSQL = getCheckConstraintSQL(session, name);

h2/src/test/org/h2/test/scripts/TestScript.java

@@ -206,7 +206,11 @@ public class TestScript extends TestDb {
         stat = conn.createStatement();
         out = new PrintStream(new FileOutputStream(outFile));
         errors = new StringBuilder();
-        testFile(BASE_DIR + scriptFileName, !scriptFileName.equals("functions/system/set.sql"));
+        testFile(BASE_DIR + scriptFileName,
+                !scriptFileName.equals("functions/numeric/rand.sql") &&
+                !scriptFileName.equals("functions/system/set.sql") &&
+                !scriptFileName.equals("ddl/createAlias.sql") &&
+                !scriptFileName.equals("ddl/dropSchema.sql"));
         conn.close();
         out.close();
         if (errors.length() > 0) {

h2/src/test/org/h2/test/scripts/testScript.sql

@@ -2522,6 +2522,7 @@ insert into address(id, name, name2) values(1, 'test@abc', 'test@gmail.com');
 insert into address(id, name, name2) values(2, 'test@abc', 'test@acme');
 > exception CHECK_CONSTRAINT_VIOLATED_1
 
+@reconnect
 insert into address(id, name, name2) values(3, 'test_abc', 'test@gmail');
 > exception CHECK_CONSTRAINT_VIOLATED_1