[FLINK-22233][table] Fix "constant" typo in PRIMARY KEY exception messages

This closes #15656

Co-authored-by: wuys <wuyongsheng@qtshe.com>

Author: 2 people

flink-table/flink-table-planner-blink/src/main/java/org/apache/flink/table/planner/operations/SqlToOperationConverter.java

@@ -943,7 +943,7 @@ private void validateTableConstraint(SqlTableConstraint constraint) {
         if (constraint.isEnforced()) {
             throw new ValidationException(
                     "Flink doesn't support ENFORCED mode for "
-                            + "PRIMARY KEY constaint. ENFORCED/NOT ENFORCED  controls if the constraint "
+                            + "PRIMARY KEY constraint. ENFORCED/NOT ENFORCED  controls if the constraint "
                             + "checks are performed on the incoming/outgoing data. "
                             + "Flink does not own the data therefore the only supported mode "
                             + "is the NOT ENFORCED mode");

flink-table/flink-table-planner-blink/src/test/java/org/apache/flink/table/planner/operations/SqlToOperationConverterTest.java

@@ -473,7 +473,7 @@ public void testCreateTableWithPrimaryKeyEnforced() {
         thrown.expect(ValidationException.class);
         thrown.expectMessage(
                 "Flink doesn't support ENFORCED mode for PRIMARY KEY "
-                        + "constaint. ENFORCED/NOT ENFORCED  controls if the constraint "
+                        + "constraint. ENFORCED/NOT ENFORCED  controls if the constraint "
                         + "checks are performed on the incoming/outgoing data. "
                         + "Flink does not own the data therefore the only supported mode is the NOT ENFORCED mode");
         parse(sql, planner, parser);
@@ -1230,7 +1230,7 @@ public void testAlterTableAddPkConstraintEnforced() throws Exception {
         // Test alter table add enforced
         thrown.expect(ValidationException.class);
         thrown.expectMessage(
-                "Flink doesn't support ENFORCED mode for PRIMARY KEY constaint. "
+                "Flink doesn't support ENFORCED mode for PRIMARY KEY constraint. "
                         + "ENFORCED/NOT ENFORCED  controls if the constraint checks are performed on the "
                         + "incoming/outgoing data. Flink does not own the data therefore the "
                         + "only supported mode is the NOT ENFORCED mode");