com.hazelcast.jet.sql.impl.connector.infoschema.MappingsTable Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.connector.infoschema;
import com.hazelcast.jet.json.JsonUtil;
import com.hazelcast.sql.impl.schema.ConstantTableStatistics;
import com.hazelcast.sql.impl.schema.Mapping;
import com.hazelcast.sql.impl.schema.TableField;
import com.hazelcast.sql.impl.type.QueryDataType;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import static com.hazelcast.jet.impl.util.Util.uncheckCall;
import static java.util.Arrays.asList;
/**
* Table object for the {@code information_schema.mappings} table.
*/
public class MappingsTable extends InfoSchemaTable {
private static final String NAME = "mappings";
private static final List FIELDS = asList(
new TableField("table_catalog", QueryDataType.VARCHAR, false),
new TableField("table_schema", QueryDataType.VARCHAR, false),
new TableField("table_name", QueryDataType.VARCHAR, false),
new TableField("mapping_external_name", QueryDataType.VARCHAR, false),
new TableField("mapping_type", QueryDataType.VARCHAR, false),
new TableField("mapping_options", QueryDataType.VARCHAR, false)
);
private final String mappingsSchema;
private final Collection mappings;
public MappingsTable(
String catalog,
String schemaName,
String mappingsSchema,
Collection mappings
) {
super(
FIELDS,
catalog,
schemaName,
NAME,
new ConstantTableStatistics(mappings.size())
);
this.mappingsSchema = mappingsSchema;
this.mappings = mappings;
}
@Override
protected List
© 2015 - 2024 Weber Informatics LLC | Privacy Policy