Use specified PK name in inline constraint definition

h2/src/main/org/h2/command/Parser.java

@@ -6727,6 +6727,7 @@ public class Parser {
                 cols[0].columnName = column.getName();
                 AlterTableAddConstraint pk = new AlterTableAddConstraint(
                         session, schema, false);
+                pk.setConstraintName(constraintName);
                 pk.setPrimaryKeyHash(hash);
                 pk.setType(CommandInterface.ALTER_TABLE_ADD_CONSTRAINT_PRIMARY_KEY);
                 pk.setTableName(tableName);

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

@@ -102,7 +102,8 @@ public class TestScript extends TestBase {
                 "uuid", "varchar", "varchar-ignorecase" }) {
             testScript("datatypes/" + s + ".sql");
         }
-        for (String s : new String[] { "alterTableAdd", "alterTableDropColumn", "createView", "dropSchema" }) {
+        for (String s : new String[] { "alterTableAdd", "alterTableDropColumn", "createView", "createTable",
+                "dropSchema" }) {
             testScript("ddl/" + s + ".sql");
         }
         for (String s : new String[] { "insertIgnore", "mergeUsing", "script", "with" }) {

h2/src/test/org/h2/test/scripts/ddl/alterTableAdd.sql

@@ -86,3 +86,18 @@ INSERT INTO TEST VALUES (10, 20, 30, 40);
 
 DROP TABLE TEST;
 > ok
+
+CREATE TABLE TEST();
+> ok
+
+ALTER TABLE TEST ADD A INT CONSTRAINT PK_1 PRIMARY KEY;
+> ok
+
+SELECT CONSTRAINT_NAME, CONSTRAINT_TYPE FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS;
+> CONSTRAINT_NAME CONSTRAINT_TYPE
+> --------------- ---------------
+> PK_1            PRIMARY KEY
+> rows: 1
+
+DROP TABLE TEST;
+> ok

h2/src/test/org/h2/test/scripts/ddl/createTable.sql

+-- Copyright 2004-2018 H2 Group. Multiple-Licensed under the MPL 2.0,
+-- and the EPL 1.0 (http://h2database.com/html/license.html).
+-- Initial Developer: H2 Group
+--
+
+CREATE TABLE TEST(A INT CONSTRAINT PK_1 PRIMARY KEY);
+> ok
+
+SELECT CONSTRAINT_NAME, CONSTRAINT_TYPE FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS;
+> CONSTRAINT_NAME CONSTRAINT_TYPE
+> --------------- ---------------
+> PK_1            PRIMARY KEY
+> rows: 1
+
+DROP TABLE TEST;
+> ok