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[FLINK-35164][table] Support
ALTER CATALOG RESET
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76 changes: 76 additions & 0 deletions
76
.../flink-sql-parser/src/main/java/org/apache/flink/sql/parser/ddl/SqlAlterCatalogReset.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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. | ||
*/ | ||
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package org.apache.flink.sql.parser.ddl; | ||
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import org.apache.flink.sql.parser.SqlUnparseUtils; | ||
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import org.apache.calcite.sql.SqlIdentifier; | ||
import org.apache.calcite.sql.SqlLiteral; | ||
import org.apache.calcite.sql.SqlNode; | ||
import org.apache.calcite.sql.SqlNodeList; | ||
import org.apache.calcite.sql.SqlWriter; | ||
import org.apache.calcite.sql.parser.SqlParserPos; | ||
import org.apache.calcite.util.ImmutableNullableList; | ||
import org.apache.calcite.util.NlsString; | ||
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import java.util.List; | ||
import java.util.Set; | ||
import java.util.stream.Collectors; | ||
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import static java.util.Objects.requireNonNull; | ||
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/** ALTER CATALOG catalog_name RESET (key1, ...). */ | ||
public class SqlAlterCatalogReset extends SqlAlterCatalog { | ||
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private final SqlNodeList propertyKeyList; | ||
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public SqlAlterCatalogReset( | ||
SqlParserPos position, SqlIdentifier catalogName, SqlNodeList propertyKeyList) { | ||
super(position, catalogName); | ||
this.propertyKeyList = requireNonNull(propertyKeyList, "propertyKeyList cannot be null"); | ||
} | ||
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@Override | ||
public List<SqlNode> getOperandList() { | ||
return ImmutableNullableList.of(catalogName, propertyKeyList); | ||
} | ||
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public SqlNodeList getPropertyList() { | ||
return propertyKeyList; | ||
} | ||
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public Set<String> getResetKeys() { | ||
return propertyKeyList.getList().stream() | ||
.map(key -> ((NlsString) SqlLiteral.value(key)).getValue()) | ||
.collect(Collectors.toSet()); | ||
} | ||
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@Override | ||
public void unparse(SqlWriter writer, int leftPrec, int rightPrec) { | ||
super.unparse(writer, leftPrec, rightPrec); | ||
writer.keyword("RESET"); | ||
SqlWriter.Frame withFrame = writer.startList("(", ")"); | ||
for (SqlNode property : propertyKeyList) { | ||
SqlUnparseUtils.printIndent(writer); | ||
property.unparse(writer, leftPrec, rightPrec); | ||
} | ||
writer.newlineAndIndent(); | ||
writer.endList(withFrame); | ||
} | ||
} |
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78 changes: 78 additions & 0 deletions
78
...-java/src/main/java/org/apache/flink/table/operations/ddl/AlterCatalogResetOperation.java
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/* | ||
* Licensed to the Apache Software Foundation (ASF) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. The ASF licenses this file | ||
* to you 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. | ||
*/ | ||
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package org.apache.flink.table.operations.ddl; | ||
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import org.apache.flink.annotation.Internal; | ||
import org.apache.flink.configuration.Configuration; | ||
import org.apache.flink.table.api.ValidationException; | ||
import org.apache.flink.table.api.internal.TableResultImpl; | ||
import org.apache.flink.table.api.internal.TableResultInternal; | ||
import org.apache.flink.table.catalog.CatalogDescriptor; | ||
import org.apache.flink.table.catalog.exceptions.CatalogException; | ||
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import java.util.Collections; | ||
import java.util.Set; | ||
import java.util.stream.Collectors; | ||
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import static org.apache.flink.util.Preconditions.checkNotNull; | ||
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/** Operation to describe an ALTER CATALOG RESET statement. */ | ||
@Internal | ||
public class AlterCatalogResetOperation implements AlterOperation { | ||
private final String catalogName; | ||
private final Set<String> resetKeys; | ||
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public AlterCatalogResetOperation(String catalogName, Set<String> resetKeys) { | ||
this.catalogName = checkNotNull(catalogName); | ||
this.resetKeys = Collections.unmodifiableSet(checkNotNull(resetKeys)); | ||
} | ||
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public String getCatalogName() { | ||
return catalogName; | ||
} | ||
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public Set<String> getResetKeys() { | ||
return resetKeys; | ||
} | ||
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@Override | ||
public String asSummaryString() { | ||
return String.format( | ||
"ALTER CATALOG %s\n%s", | ||
catalogName, | ||
resetKeys.stream() | ||
.map(key -> String.format(" RESET '%s'", key)) | ||
.collect(Collectors.joining(",\n"))); | ||
} | ||
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@Override | ||
public TableResultInternal execute(Context ctx) { | ||
try { | ||
Configuration resetConf = new Configuration(); | ||
resetKeys.forEach(key -> resetConf.setString(key, "")); | ||
ctx.getCatalogManager() | ||
.alterCatalog(catalogName, CatalogDescriptor.of(catalogName, resetConf)); | ||
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return TableResultImpl.TABLE_RESULT_OK; | ||
} catch (CatalogException e) { | ||
throw new ValidationException( | ||
String.format("Could not execute %s", asSummaryString()), e); | ||
} | ||
} | ||
} |
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