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org.jooq.impl.CreateTableImpl Maven / Gradle / Ivy
/**
* Copyright (c) 2009-2016, Data Geekery GmbH (http://www.datageekery.com)
* All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
* Commercial licenses for this work are available. These replace the above
* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
* database integrations.
*
* For more information, please visit: http://www.jooq.org/licenses
*
*
*
*
*
*
*
*
*
*
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*
*
*
*
*/
package org.jooq.impl;
import static java.util.Arrays.asList;
import static org.jooq.Clause.CREATE_TABLE;
import static org.jooq.Clause.CREATE_TABLE_AS;
import static org.jooq.Clause.CREATE_TABLE_COLUMNS;
import static org.jooq.Clause.CREATE_TABLE_CONSTRAINTS;
import static org.jooq.Clause.CREATE_TABLE_NAME;
// ...
// ...
// ...
import static org.jooq.SQLDialect.DERBY;
import static org.jooq.SQLDialect.FIREBIRD;
// ...
import static org.jooq.SQLDialect.HSQLDB;
import static org.jooq.SQLDialect.MARIADB;
import static org.jooq.SQLDialect.MYSQL;
// ...
import static org.jooq.SQLDialect.POSTGRES;
// ...
// ...
import static org.jooq.impl.DSL.field;
import static org.jooq.impl.DSL.name;
import static org.jooq.impl.Tools.DataKey.DATA_SELECT_INTO_TABLE;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import org.jooq.Clause;
import org.jooq.Configuration;
import org.jooq.Constraint;
import org.jooq.Context;
import org.jooq.CreateTableAsStep;
import org.jooq.CreateTableColumnStep;
import org.jooq.CreateTableConstraintStep;
import org.jooq.CreateTableFinalStep;
import org.jooq.CreateTableOnCommitStep;
import org.jooq.DataType;
import org.jooq.Field;
import org.jooq.Name;
import org.jooq.Record;
import org.jooq.Select;
import org.jooq.Table;
/**
* @author Lukas Eder
*/
final class CreateTableImpl extends AbstractQuery implements
// Cascading interface implementations for CREATE TABLE behaviour
CreateTableAsStep,
CreateTableColumnStep {
/**
* Generated UID
*/
private static final long serialVersionUID = 8904572826501186329L;
private final Table table;
private Select select;
private final List> columnFields;
private final List> columnTypes;
private final List constraints;
private final boolean temporary;
private final boolean ifNotExists;
private OnCommit onCommit;
CreateTableImpl(Configuration configuration, Table table, boolean temporary, boolean ifNotExists) {
super(configuration);
this.table = table;
this.temporary = temporary;
this.ifNotExists = ifNotExists;
this.columnFields = new ArrayList>();
this.columnTypes = new ArrayList>();
this.constraints = new ArrayList();
}
// ------------------------------------------------------------------------
// XXX: DSL API
// ------------------------------------------------------------------------
@Override
public final CreateTableOnCommitStep as(Select s) {
this.select = s;
return this;
}
@SuppressWarnings({ "unchecked", "rawtypes" })
@Override
public final CreateTableColumnStep column(Field field) {
return column((Field) field, field.getDataType());
}
@Override
public final CreateTableColumnStep columns(Field... fields) {
return columns(Arrays.asList(fields));
}
@Override
public final CreateTableColumnStep columns(Collection> fields) {
for (Field field : fields)
column(field);
return this;
}
@Override
public final CreateTableColumnStep column(Field field, DataType type) {
columnFields.add(field);
columnTypes.add(type);
return this;
}
@Override
public final CreateTableColumnStep column(Name field, DataType type) {
columnFields.add(field(field, type));
columnTypes.add(type);
return this;
}
@Override
public final CreateTableColumnStep column(String field, DataType type) {
return column(name(field), type);
}
@Override
public final CreateTableConstraintStep constraint(Constraint c) {
return constraints(Arrays.asList(c));
}
@Override
public final CreateTableConstraintStep constraints(Constraint... c) {
return constraints(Arrays.asList(c));
}
@Override
public final CreateTableConstraintStep constraints(Collection c) {
constraints.addAll(c);
return this;
}
@Override
public final CreateTableFinalStep onCommitDeleteRows() {
onCommit = OnCommit.DELETE_ROWS;
return this;
}
@Override
public final CreateTableFinalStep onCommitPreserveRows() {
onCommit = OnCommit.PRESERVE_ROWS;
return this;
}
@Override
public final CreateTableFinalStep onCommitDrop() {
onCommit = OnCommit.DROP;
return this;
}
// ------------------------------------------------------------------------
// XXX: QueryPart API
// ------------------------------------------------------------------------
private final boolean supportsIfNotExists(Context ctx) {
return !asList(DERBY, FIREBIRD).contains(ctx.family());
}
@Override
public final void accept(Context ctx) {
if (ifNotExists && !supportsIfNotExists(ctx)) {
Tools.executeImmediateBegin(ctx, DDLStatementType.CREATE_TABLE);
accept0(ctx);
Tools.executeImmediateEnd(ctx, DDLStatementType.CREATE_TABLE);
}
else {
accept0(ctx);
}
}
private final void accept0(Context ctx) {
if (select != null) {
{
acceptCreateTableAsSelect(ctx);
}
}
else {
ctx.start(CREATE_TABLE);
toSQLCreateTableName(ctx);
ctx.sql('(')
.start(CREATE_TABLE_COLUMNS)
.formatIndentStart()
.formatNewLine();
boolean qualify = ctx.qualify();
ctx.qualify(false);
for (int i = 0; i < columnFields.size(); i++) {
DataType type = columnTypes.get(i);
ctx.visit(columnFields.get(i))
.sql(' ');
Tools.toSQLDDLTypeDeclaration(ctx, type);
if (asList().contains(ctx.family()))
acceptDefault(ctx, type);
if (type.nullable()) {
// [#4321] Not all dialects support explicit NULL type declarations
if (!asList(DERBY, FIREBIRD).contains(ctx.family()))
ctx.sql(' ').keyword("null");
}
else {
ctx.sql(' ').keyword("not null");
}
if (!asList().contains(ctx.family()))
acceptDefault(ctx, type);
if (i < columnFields.size() - 1)
ctx.sql(',').formatSeparator();
}
ctx.qualify(qualify);
ctx.end(CREATE_TABLE_COLUMNS)
.start(CREATE_TABLE_CONSTRAINTS);
if (!constraints.isEmpty())
for (Constraint constraint : constraints)
ctx.sql(',')
.formatSeparator()
.visit(constraint);
ctx.end(CREATE_TABLE_CONSTRAINTS)
.formatIndentEnd()
.formatNewLine()
.sql(')');
toSQLOnCommit(ctx);
ctx.end(CREATE_TABLE);
}
}
private void acceptDefault(Context ctx, DataType type) {
if (type.defaulted())
ctx.sql(' ').keyword("default").sql(' ').visit(type.defaultValue());
}
private final void acceptCreateTableAsSelect(Context ctx) {
ctx.start(CREATE_TABLE);
toSQLCreateTableName(ctx);
toSQLOnCommit(ctx);
ctx.formatSeparator()
.keyword("as");
if (asList(HSQLDB).contains(ctx.family())) {
ctx.sql(" (")
.formatIndentStart()
.formatNewLine();
}
else {
ctx.formatSeparator();
}
ctx.start(CREATE_TABLE_AS)
.visit(select)
.end(CREATE_TABLE_AS);
if (asList(HSQLDB).contains(ctx.family())) {
ctx.formatIndentEnd()
.formatNewLine()
.sql(')');
if (ctx.family() == HSQLDB)
ctx.sql(' ')
.keyword("with data");
}
ctx.end(CREATE_TABLE);
}
private final void toSQLCreateTableName(Context ctx) {
ctx.start(CREATE_TABLE_NAME)
.keyword("create")
.sql(' ');
if (temporary)
if (asList(MARIADB, MYSQL, POSTGRES).contains(ctx.family()))
ctx.keyword("temporary").sql(' ');
else
ctx.keyword("global temporary").sql(' ');
ctx.keyword("table")
.sql(' ');
if (ifNotExists && supportsIfNotExists(ctx))
ctx.keyword("if not exists")
.sql(' ');
ctx.visit(table)
.end(CREATE_TABLE_NAME);
}
private final void toSQLOnCommit(Context ctx) {
if (temporary && onCommit != null) {
switch (onCommit) {
case DELETE_ROWS: ctx.formatSeparator().keyword("on commit delete rows"); break;
case PRESERVE_ROWS: ctx.formatSeparator().keyword("on commit preserve rows"); break;
case DROP: ctx.formatSeparator().keyword("on commit drop"); break;
}
}
}
private final void acceptSelectInto(Context ctx) {
ctx.data(DATA_SELECT_INTO_TABLE, table);
ctx.visit(select);
ctx.data().remove(DATA_SELECT_INTO_TABLE);
}
@Override
public final Clause[] clauses(Context ctx) {
return null;
}
private enum OnCommit {
DELETE_ROWS,
PRESERVE_ROWS,
DROP;
}
}
