[#7774] Add support for DROP TYPE
This commit is contained in:
Lukas Eder
parent
84956226df
commit
0884090495
65
jOOQ/src/main/java/org/jooq/DropTypeFinalStep.java
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65
jOOQ/src/main/java/org/jooq/DropTypeFinalStep.java
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Other licenses:
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* -----------------------------------------------------------------------------
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* Commercial licenses for this work are available. These replace the above
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* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
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* database integrations.
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*
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* For more information, please visit: http://www.jooq.org/licenses
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*
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*
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*
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*/
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package org.jooq;
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/**
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* A {@link Query} that can drop types.
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* <p>
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* <h3>Referencing <code>XYZ*Step</code> types directly from client code</h3>
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* <p>
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* It is usually not recommended to reference any <code>XYZ*Step</code> types
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* directly from client code, or assign them to local variables. When writing
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* dynamic SQL, creating a statement's components dynamically, and passing them
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* to the DSL API statically is usually a better choice. See the manual's
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* section about dynamic SQL for details: <a href=
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* "https://www.jooq.org/doc/latest/manual/sql-building/dynamic-sql">https://www.jooq.org/doc/latest/manual/sql-building/dynamic-sql</a>.
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* <p>
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* Drawbacks of referencing the <code>XYZ*Step</code> types directly:
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* <ul>
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* <li>They're operating on mutable implementations (as of jOOQ 3.x)</li>
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* <li>They're less composable and not easy to get right when dynamic SQL gets
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* complex</li>
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* <li>They're less readable</li>
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* <li>They might have binary incompatible changes between minor releases</li>
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* </ul>
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*
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* @author Lukas Eder
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*/
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public interface DropTypeFinalStep extends DDLQuery {
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}
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79
jOOQ/src/main/java/org/jooq/DropTypeStep.java
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79
jOOQ/src/main/java/org/jooq/DropTypeStep.java
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Other licenses:
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* -----------------------------------------------------------------------------
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* Commercial licenses for this work are available. These replace the above
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* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
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* database integrations.
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*
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* For more information, please visit: http://www.jooq.org/licenses
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package org.jooq;
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import static org.jooq.SQLDialect.H2;
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import static org.jooq.SQLDialect.POSTGRES;
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/**
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* A {@link Query} that can drop types.
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* <p>
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* <h3>Referencing <code>XYZ*Step</code> types directly from client code</h3>
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* <p>
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* It is usually not recommended to reference any <code>XYZ*Step</code> types
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* directly from client code, or assign them to local variables. When writing
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* dynamic SQL, creating a statement's components dynamically, and passing them
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* to the DSL API statically is usually a better choice. See the manual's
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* section about dynamic SQL for details: <a href=
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* "https://www.jooq.org/doc/latest/manual/sql-building/dynamic-sql">https://www.jooq.org/doc/latest/manual/sql-building/dynamic-sql</a>.
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* <p>
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* Drawbacks of referencing the <code>XYZ*Step</code> types directly:
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* <ul>
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* <li>They're operating on mutable implementations (as of jOOQ 3.x)</li>
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* <li>They're less composable and not easy to get right when dynamic SQL gets
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* complex</li>
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* <li>They're less readable</li>
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* <li>They might have binary incompatible changes between minor releases</li>
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* </ul>
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*
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* @author Lukas Eder
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*/
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public interface DropTypeStep extends DropTypeFinalStep {
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/**
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* Add the <code>CASCADE</code> clause to the <code>DROP TYPE</code> statement.
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*/
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@Support({ H2, POSTGRES })
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DropTypeFinalStep cascade();
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/**
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* Add the <code>RESTRICT</code> clause to the <code>DROP TYPE</code> statement.
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*/
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@Support({ H2, POSTGRES })
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DropTypeFinalStep restrict();
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}
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115
jOOQ/src/main/java/org/jooq/impl/DropTypeImpl.java
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115
jOOQ/src/main/java/org/jooq/impl/DropTypeImpl.java
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@ -0,0 +1,115 @@
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/*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Other licenses:
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* -----------------------------------------------------------------------------
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* Commercial licenses for this work are available. These replace the above
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* ASL 2.0 and offer limited warranties, support, maintenance, and commercial
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* database integrations.
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*
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* For more information, please visit: http://www.jooq.org/licenses
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*
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*/
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package org.jooq.impl;
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import static org.jooq.impl.Keywords.K_CASCADE;
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import static org.jooq.impl.Keywords.K_DROP;
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import static org.jooq.impl.Keywords.K_IF_EXISTS;
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import static org.jooq.impl.Keywords.K_RESTRICT;
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import static org.jooq.impl.Keywords.K_TYPE;
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import java.util.Collection;
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import org.jooq.Clause;
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import org.jooq.Configuration;
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import org.jooq.Context;
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import org.jooq.DropTypeFinalStep;
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import org.jooq.DropTypeStep;
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import org.jooq.Name;
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/**
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* @author Lukas Eder
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*/
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final class DropTypeImpl extends AbstractQuery implements
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// Cascading interface implementations for CREATE TYPE behaviour
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DropTypeStep {
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private static final long serialVersionUID = -5018375056147329888L;
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private final QueryPartList<Name> type;
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private final boolean ifExists;
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private boolean cascade;
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private boolean restrict;
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DropTypeImpl(Configuration configuration, Collection<?> type, boolean ifExists) {
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super(configuration);
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this.type = new QueryPartList<Name>(Tools.names(type));
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this.ifExists = ifExists;
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}
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// ------------------------------------------------------------------------
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// XXX: DSL API
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// ------------------------------------------------------------------------
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@Override
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public final DropTypeFinalStep cascade() {
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this.cascade = true;
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return this;
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}
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@Override
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public final DropTypeFinalStep restrict() {
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this.restrict = true;
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return this;
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}
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// ------------------------------------------------------------------------
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// XXX: QueryPart API
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// ------------------------------------------------------------------------
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@Override
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public final void accept(Context<?> ctx) {
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ctx.visit(K_DROP).sql(' ').visit(K_TYPE);
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if (ifExists)
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ctx.sql(' ').visit(K_IF_EXISTS);
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ctx.sql(' ').visit(type);
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if (cascade)
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ctx.sql(' ').visit(K_CASCADE);
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else if (restrict)
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ctx.sql(' ').visit(K_RESTRICT);
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}
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@Override
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public final Clause[] clauses(Context<?> ctx) {
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return null;
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}
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}
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