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/*
* 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
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* https://www.apache.org/licenses/LICENSE-2.0
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* distributed under the License is distributed on an "AS IS" BASIS,
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* See the License for the specific language governing permissions and
* limitations under the License.
*
* Other licenses:
* -----------------------------------------------------------------------------
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* commercial database integrations.
*
* For more information, please visit: https://www.jooq.org/legal/licensing
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package org.jooq.impl;
import static org.jooq.impl.DSL.*;
import static org.jooq.impl.Internal.*;
import static org.jooq.impl.Keywords.*;
import static org.jooq.impl.Names.*;
import static org.jooq.impl.SQLDataType.*;
import static org.jooq.impl.Tools.*;
import static org.jooq.impl.Tools.BooleanDataKey.*;
import static org.jooq.impl.Tools.ExtendedDataKey.*;
import static org.jooq.impl.Tools.SimpleDataKey.*;
import static org.jooq.SQLDialect.*;
import org.jooq.*;
import org.jooq.Function1;
import org.jooq.Record;
import org.jooq.conf.ParamType;
import org.jooq.tools.StringUtils;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Set;
/**
* The ALTER VIEW statement.
*/
@SuppressWarnings({ "hiding", "rawtypes", "unused" })
final class AlterViewImpl
extends
AbstractDDLQuery
implements
QOM.AlterView,
AlterViewStep,
AlterViewFinalStep
{
final Table view;
final QueryPartListView> fields;
final boolean materialized;
final boolean ifExists;
Comment comment;
Table renameTo;
Select as;
AlterViewImpl(
Configuration configuration,
Table view,
Collection> fields,
boolean materialized,
boolean ifExists
) {
this(
configuration,
view,
fields,
materialized,
ifExists,
null,
null,
null
);
}
AlterViewImpl(
Configuration configuration,
Table view,
boolean materialized,
boolean ifExists
) {
this(
configuration,
view,
null,
materialized,
ifExists
);
}
AlterViewImpl(
Configuration configuration,
Table view,
Collection> fields,
boolean materialized,
boolean ifExists,
Comment comment,
Table renameTo,
Select as
) {
super(configuration);
this.view = view;
this.fields = new QueryPartList<>(fields);
this.materialized = materialized;
this.ifExists = ifExists;
this.comment = comment;
this.renameTo = renameTo;
this.as = as;
}
// -------------------------------------------------------------------------
// XXX: DSL API
// -------------------------------------------------------------------------
@Override
public final AlterViewImpl comment(String comment) {
return comment(DSL.comment(comment));
}
@Override
public final AlterViewImpl comment(Comment comment) {
this.comment = comment;
return this;
}
@Override
public final AlterViewImpl renameTo(String renameTo) {
return renameTo(DSL.table(DSL.name(renameTo)));
}
@Override
public final AlterViewImpl renameTo(Name renameTo) {
return renameTo(DSL.table(renameTo));
}
@Override
public final AlterViewImpl renameTo(Table renameTo) {
this.renameTo = renameTo;
return this;
}
@Override
public final AlterViewImpl as(Select as) {
this.as = as;
return this;
}
// -------------------------------------------------------------------------
// XXX: QueryPart API
// -------------------------------------------------------------------------
private static final Clause[] CLAUSES = { Clause.ALTER_VIEW };
private static final Set NO_SUPPORT_RENAME_IF_EXISTS = SQLDialect.supportedUntil(CUBRID, DERBY, FIREBIRD);
private static final Set NO_SUPPORT_IF_EXISTS = SQLDialect.supportedUntil(CUBRID, DERBY, FIREBIRD);
private static final Set SUPPORT_ALTER_TABLE_RENAME = SQLDialect.supportedBy(HSQLDB, YUGABYTEDB);
private final boolean supportsIfExists(Context ctx) {
if (renameTo != null)
return !NO_SUPPORT_RENAME_IF_EXISTS.contains(ctx.dialect());
else
return !NO_SUPPORT_IF_EXISTS.contains(ctx.dialect());
}
@Override
public final void accept(Context ctx) {
if (ifExists && !supportsIfExists(ctx))
tryCatch(ctx, DDLStatementType.ALTER_VIEW, c -> accept0(c));
else
accept0(ctx);
}
private final void accept0(Context ctx) {
if (as != null) {
switch (ctx.family()) {
case CUBRID:
case DERBY:
case FIREBIRD:
case H2:
case HSQLDB:
case IGNITE:
case MARIADB:
case MYSQL:
case POSTGRES:
case SQLITE:
case YUGABYTEDB:
if (materialized)
ctx.visit(begin(dropMaterializedView(view), createMaterializedView(view, fields.toArray(Tools.EMPTY_FIELD)).as(as)));
else
ctx.visit(begin(dropView(view), createView(view, fields.toArray(Tools.EMPTY_FIELD)).as(as)));
break;
default:
ctx.visit(K_ALTER).sql(' ');
if (materialized)
ctx.visit(K_MATERIALIZED).sql(' ');
ctx.visit(K_VIEW).sql(' ').visit(view);
if (!fields.isEmpty())
ctx.sql(" (").visit(QueryPartCollectionView.wrap(fields).qualify(false)).sql(')');
ctx.formatSeparator().visit(K_AS).formatSeparator().visit(as);
break;
}
return;
}
if (comment != null) {
ctx.visit((materialized ? commentOnMaterializedView(view) : commentOnView(view)).is(comment));
return;
}
accept1(ctx);
}
private final void accept1(Context ctx) {
ctx.start(Clause.ALTER_VIEW_VIEW)
.visit(K_ALTER).sql(' ');
if (SUPPORT_ALTER_TABLE_RENAME.contains(ctx.dialect()))
ctx.visit(K_TABLE).sql(' ');
else if (materialized)
ctx.visit(K_MATERIALIZED).sql(' ').visit(K_VIEW).sql(' ');
else
ctx.visit(K_VIEW).sql(' ');
if (ifExists && supportsIfExists(ctx))
ctx.sql(' ').visit(K_IF_EXISTS);
ctx.sql(' ').visit(view).sql(' ')
.end(Clause.ALTER_VIEW_VIEW);
if (renameTo != null)
ctx.start(Clause.ALTER_VIEW_RENAME)
.visit(K_RENAME_TO).sql(' ')
.qualify(false, c -> c.visit(renameTo))
.end(Clause.ALTER_VIEW_RENAME);
}
@Override
public final Clause[] clauses(Context ctx) {
return CLAUSES;
}
// -------------------------------------------------------------------------
// XXX: Query Object Model
// -------------------------------------------------------------------------
@Override
public final Table $view() {
return view;
}
@Override
public final QOM.UnmodifiableList> $fields() {
return QOM.unmodifiable(fields);
}
@Override
public final boolean $materialized() {
return materialized;
}
@Override
public final boolean $ifExists() {
return ifExists;
}
@Override
public final Comment $comment() {
return comment;
}
@Override
public final Table $renameTo() {
return renameTo;
}
@Override
public final Select $as() {
return as;
}
@Override
public final QOM.AlterView $view(Table newValue) {
return $constructor().apply(newValue, $fields(), $materialized(), $ifExists(), $comment(), $renameTo(), $as());
}
@Override
public final QOM.AlterView $fields(Collection> newValue) {
return $constructor().apply($view(), newValue, $materialized(), $ifExists(), $comment(), $renameTo(), $as());
}
@Override
public final QOM.AlterView $materialized(boolean newValue) {
return $constructor().apply($view(), $fields(), newValue, $ifExists(), $comment(), $renameTo(), $as());
}
@Override
public final QOM.AlterView $ifExists(boolean newValue) {
return $constructor().apply($view(), $fields(), $materialized(), newValue, $comment(), $renameTo(), $as());
}
@Override
public final QOM.AlterView $comment(Comment newValue) {
return $constructor().apply($view(), $fields(), $materialized(), $ifExists(), newValue, $renameTo(), $as());
}
@Override
public final QOM.AlterView $renameTo(Table newValue) {
return $constructor().apply($view(), $fields(), $materialized(), $ifExists(), $comment(), newValue, $as());
}
@Override
public final QOM.AlterView $as(Select newValue) {
return $constructor().apply($view(), $fields(), $materialized(), $ifExists(), $comment(), $renameTo(), newValue);
}
public final Function7, ? super Collection>, ? super Boolean, ? super Boolean, ? super Comment, ? super Table, ? super Select, ? extends QOM.AlterView> $constructor() {
return (a1, a2, a3, a4, a5, a6, a7) -> new AlterViewImpl(configuration(), a1, (Collection>) a2, a3, a4, a5, a6, a7);
}
}
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