org.jooq.util.h2.H2Database Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2012, Lukas Eder, [email protected]
* All rights reserved.
*
* This software is licensed to you under the Apache License, Version 2.0
* (the "License"); You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* . Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* . Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* . Neither the name "jOOQ" nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package org.jooq.util.h2;
import static org.jooq.util.h2.information_schema.tables.Constraints.CONSTRAINTS;
import static org.jooq.util.h2.information_schema.tables.CrossReferences.CROSS_REFERENCES;
import static org.jooq.util.h2.information_schema.tables.FunctionAliases.FUNCTION_ALIASES;
import static org.jooq.util.h2.information_schema.tables.Schemata.SCHEMATA;
import static org.jooq.util.h2.information_schema.tables.Sequences.SEQUENCES;
import static org.jooq.util.h2.information_schema.tables.Tables.TABLES;
import static org.jooq.util.h2.information_schema.tables.TypeInfo.TYPE_INFO;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import org.jooq.Record;
import org.jooq.impl.Factory;
import org.jooq.util.AbstractDatabase;
import org.jooq.util.ArrayDefinition;
import org.jooq.util.ColumnDefinition;
import org.jooq.util.DefaultDataTypeDefinition;
import org.jooq.util.DefaultRelations;
import org.jooq.util.DefaultSequenceDefinition;
import org.jooq.util.EnumDefinition;
import org.jooq.util.PackageDefinition;
import org.jooq.util.RoutineDefinition;
import org.jooq.util.SchemaDefinition;
import org.jooq.util.SequenceDefinition;
import org.jooq.util.TableDefinition;
import org.jooq.util.UDTDefinition;
import org.jooq.util.h2.information_schema.InformationSchemaFactory;
import org.jooq.util.h2.information_schema.tables.Constraints;
import org.jooq.util.h2.information_schema.tables.CrossReferences;
import org.jooq.util.h2.information_schema.tables.FunctionAliases;
import org.jooq.util.h2.information_schema.tables.Schemata;
import org.jooq.util.h2.information_schema.tables.Sequences;
import org.jooq.util.h2.information_schema.tables.Tables;
import org.jooq.util.h2.information_schema.tables.TypeInfo;
/**
* H2 implementation of {@link AbstractDatabase}
*
* @author Espen Stromsnes
*/
public class H2Database extends AbstractDatabase {
@Override
protected Factory create0() {
return new InformationSchemaFactory(getConnection());
}
@Override
protected void loadPrimaryKeys(DefaultRelations relations) throws SQLException {
for (Record record : fetchKeys("PRIMARY KEY")) {
SchemaDefinition schema = getSchema(record.getValue(Constraints.TABLE_SCHEMA));
String tableName = record.getValue(Constraints.TABLE_NAME);
String columnList = record.getValue(Constraints.COLUMN_LIST);
String primaryKey = record.getValue(Constraints.CONSTRAINT_NAME);
TableDefinition table = getTable(schema, tableName);
if (table != null) {
String[] columnNames = columnList.split("[,]+");
for (String columnName : columnNames) {
relations.addPrimaryKey(primaryKey, table.getColumn(columnName));
}
}
}
}
@Override
protected void loadUniqueKeys(DefaultRelations relations) throws SQLException {
for (Record record : fetchKeys("UNIQUE")) {
SchemaDefinition schema = getSchema(record.getValue(Constraints.TABLE_SCHEMA));
String tableName = record.getValue(Constraints.TABLE_NAME);
String columnList = record.getValue(Constraints.COLUMN_LIST);
String primaryKey = record.getValue(Constraints.CONSTRAINT_NAME);
TableDefinition table = getTable(schema, tableName);
if (table != null) {
String[] columnNames = columnList.split("[,]+");
for (String columnName : columnNames) {
relations.addUniqueKey(primaryKey, table.getColumn(columnName));
}
}
}
}
private List fetchKeys(String constraintType) {
return create().select(
Constraints.TABLE_SCHEMA,
Constraints.TABLE_NAME,
Constraints.COLUMN_LIST,
Constraints.CONSTRAINT_NAME)
.from(CONSTRAINTS)
.where(Constraints.TABLE_SCHEMA.in(getInputSchemata()))
.and(Constraints.CONSTRAINT_TYPE.equal(constraintType))
.orderBy(
Constraints.TABLE_SCHEMA,
Constraints.CONSTRAINT_NAME,
Constraints.COLUMN_LIST)
.fetch();
}
@Override
protected void loadForeignKeys(DefaultRelations relations) throws SQLException {
for (Record record : create().select(
CrossReferences.FK_NAME,
CrossReferences.FKTABLE_NAME,
CrossReferences.FKTABLE_SCHEMA,
CrossReferences.FKCOLUMN_NAME,
Constraints.CONSTRAINT_NAME,
Constraints.CONSTRAINT_SCHEMA)
.from(CROSS_REFERENCES)
.join(CONSTRAINTS)
.on(CrossReferences.PK_NAME.equal(Constraints.UNIQUE_INDEX_NAME))
.and(CrossReferences.PKTABLE_NAME.equal(Constraints.TABLE_NAME))
.and(CrossReferences.PKTABLE_SCHEMA.equal(Constraints.TABLE_SCHEMA))
.where(CrossReferences.FKTABLE_SCHEMA.in(getInputSchemata()))
.orderBy(
CrossReferences.FKTABLE_SCHEMA.asc(),
CrossReferences.FK_NAME.asc(),
CrossReferences.ORDINAL_POSITION.asc())
.fetch()) {
SchemaDefinition foreignKeySchema = getSchema(record.getValue(CrossReferences.FKTABLE_SCHEMA));
SchemaDefinition uniqueKeySchema = getSchema(record.getValue(Constraints.CONSTRAINT_SCHEMA));
String foreignKeyTableName = record.getValue(CrossReferences.FKTABLE_NAME);
String foreignKeyColumn = record.getValue(CrossReferences.FKCOLUMN_NAME);
String foreignKey = record.getValue(CrossReferences.FK_NAME);
String uniqueKey = record.getValue(Constraints.CONSTRAINT_NAME);
TableDefinition foreignKeyTable = getTable(foreignKeySchema, foreignKeyTableName);
if (foreignKeyTable != null) {
ColumnDefinition referencingColumn = foreignKeyTable.getColumn(foreignKeyColumn);
relations.addForeignKey(foreignKey, uniqueKey, referencingColumn, uniqueKeySchema);
}
}
}
@Override
protected List getSchemata0() throws SQLException {
List result = new ArrayList();
for (Record record : create().select(
Schemata.SCHEMA_NAME,
Schemata.REMARKS)
.from(SCHEMATA)
.fetch()) {
result.add(new SchemaDefinition(this,
record.getValue(Schemata.SCHEMA_NAME),
record.getValue(Schemata.REMARKS)));
}
return result;
}
@Override
protected List getSequences0() throws SQLException {
List result = new ArrayList();
for (Record record : create().select(
Sequences.SEQUENCE_SCHEMA,
Sequences.SEQUENCE_NAME)
.from(SEQUENCES)
.where(Sequences.SEQUENCE_SCHEMA.in(getInputSchemata()))
.orderBy(
Sequences.SEQUENCE_SCHEMA,
Sequences.SEQUENCE_NAME)
.fetch()) {
SchemaDefinition schema = getSchema(record.getValue(Sequences.SEQUENCE_SCHEMA));
String name = record.getValue(Sequences.SEQUENCE_NAME);
DefaultDataTypeDefinition type = new DefaultDataTypeDefinition(
this,
schema,
H2DataType.BIGINT.getTypeName(), 0, 0, 0);
result.add(new DefaultSequenceDefinition(schema, name, type));
}
return result;
}
@Override
protected List getTables0() throws SQLException {
List result = new ArrayList();
for (Record record : create().select(
Tables.TABLE_SCHEMA,
Tables.TABLE_NAME,
Tables.REMARKS)
.from(TABLES)
.where(Tables.TABLE_SCHEMA.in(getInputSchemata()))
.orderBy(
Tables.TABLE_SCHEMA,
Tables.ID)
.fetch()) {
SchemaDefinition schema = getSchema(record.getValue(Tables.TABLE_SCHEMA));
String name = record.getValue(Tables.TABLE_NAME);
String comment = record.getValue(Tables.REMARKS);
H2TableDefinition table = new H2TableDefinition(schema, name, comment);
result.add(table);
}
return result;
}
@Override
protected List getRoutines0() throws SQLException {
List result = new ArrayList();
for (Record record : create()
.select(
FunctionAliases.ALIAS_SCHEMA,
FunctionAliases.ALIAS_NAME,
FunctionAliases.REMARKS,
FunctionAliases.DATA_TYPE,
FunctionAliases.RETURNS_RESULT,
TypeInfo.TYPE_NAME,
TypeInfo.PRECISION,
TypeInfo.MAXIMUM_SCALE)
.from(FUNCTION_ALIASES)
.leftOuterJoin(TYPE_INFO)
.on(FunctionAliases.DATA_TYPE.equal(TypeInfo.DATA_TYPE))
// [#1256] TODO implement this correctly. Not sure if POS = 0
// is the right predicate to rule out duplicate entries in TYPE_INFO
.and(TypeInfo.POS.equal(0))
.where(FunctionAliases.ALIAS_SCHEMA.in(getInputSchemata()))
.and(FunctionAliases.RETURNS_RESULT.in((short) 1, (short) 2))
.orderBy(FunctionAliases.ALIAS_NAME).fetch()) {
SchemaDefinition schema = getSchema(record.getValue(FunctionAliases.ALIAS_SCHEMA));
String name = record.getValue(FunctionAliases.ALIAS_NAME);
String comment = record.getValue(FunctionAliases.REMARKS);
String typeName = record.getValue(TypeInfo.TYPE_NAME);
Integer precision = record.getValue(TypeInfo.PRECISION);
Short scale = record.getValue(TypeInfo.MAXIMUM_SCALE);
result.add(new H2RoutineDefinition(schema, name, comment, typeName, precision, scale));
}
return result;
}
@Override
protected List getPackages0() throws SQLException {
List result = new ArrayList();
return result;
}
@Override
protected List getEnums0() throws SQLException {
List result = new ArrayList();
return result;
}
@Override
protected List getUDTs0() throws SQLException {
List result = new ArrayList();
return result;
}
@Override
protected List getArrays0() throws SQLException {
List result = new ArrayList();
return result;
}
}
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