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Add sql federation column type converter spi
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44 changes: 44 additions & 0 deletions
44
...in/java/org/apache/shardingsphere/sqlfederation/spi/SQLFederationColumnTypeConverter.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.shardingsphere.sqlfederation.spi; | ||
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| import org.apache.shardingsphere.infra.database.core.spi.DatabaseTypedSPI; | ||
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| import java.util.Optional; | ||
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| /** | ||
| * SQL federation column type convert. | ||
| */ | ||
| public interface SQLFederationColumnTypeConverter extends DatabaseTypedSPI { | ||
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| /** | ||
| * Transforming the column results of a federated query. | ||
| * | ||
| * @param columnValue column value | ||
| * @return convert column value result | ||
| */ | ||
| Optional<Object> convertColumnValue(Object columnValue); | ||
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| /** | ||
| * Converting the column types of a federated query. | ||
| * | ||
| * @param columnType column type | ||
| * @return convert column type result | ||
| */ | ||
| Optional<Integer> convertColumnType(Integer columnType); | ||
| } |
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50 changes: 50 additions & 0 deletions
50
...org/apache/shardingsphere/sqlfederation/resultset/converter/MySQLColumnTypeConverter.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.shardingsphere.sqlfederation.resultset.converter; | ||
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| import org.apache.calcite.sql.type.SqlTypeName; | ||
| import org.apache.shardingsphere.sqlfederation.spi.SQLFederationColumnTypeConverter; | ||
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| import java.util.Optional; | ||
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| /** | ||
| * MySQL column type converter. | ||
| */ | ||
| public final class MySQLColumnTypeConverter implements SQLFederationColumnTypeConverter { | ||
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| @Override | ||
| public Optional<Object> convertColumnValue(final Object columnValue) { | ||
| if (columnValue instanceof Boolean) { | ||
| return Optional.of((Boolean) columnValue ? 1 : 0); | ||
| } | ||
| return Optional.empty(); | ||
| } | ||
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| @Override | ||
| public Optional<Integer> convertColumnType(final Integer columnType) { | ||
| if (SqlTypeName.BOOLEAN.getJdbcOrdinal() == columnType) { | ||
| return Optional.of(SqlTypeName.BIGINT.getJdbcOrdinal()); | ||
| } | ||
| return Optional.empty(); | ||
| } | ||
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| @Override | ||
| public String getDatabaseType() { | ||
| return "MySQL"; | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
...apache/shardingsphere/sqlfederation/resultset/converter/OpenGaussColumnTypeConverter.java
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|---|---|---|
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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.shardingsphere.sqlfederation.resultset.converter; | ||
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| import org.apache.shardingsphere.sqlfederation.spi.SQLFederationColumnTypeConverter; | ||
|
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| import java.util.Optional; | ||
|
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| /** | ||
| * OpenGauss column type converter. | ||
| */ | ||
| public final class OpenGaussColumnTypeConverter implements SQLFederationColumnTypeConverter { | ||
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| @Override | ||
| public Optional<Object> convertColumnValue(final Object columnValue) { | ||
| return Optional.empty(); | ||
| } | ||
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| @Override | ||
| public Optional<Integer> convertColumnType(final Integer columnType) { | ||
| return Optional.empty(); | ||
| } | ||
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| @Override | ||
| public String getDatabaseType() { | ||
| return "openGauss"; | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
...rg/apache/shardingsphere/sqlfederation/resultset/converter/OracleColumnTypeConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * 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.shardingsphere.sqlfederation.resultset.converter; | ||
|
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| import org.apache.shardingsphere.sqlfederation.spi.SQLFederationColumnTypeConverter; | ||
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| import java.util.Optional; | ||
|
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| /** | ||
| * Oracle column type converter. | ||
| */ | ||
| public final class OracleColumnTypeConverter implements SQLFederationColumnTypeConverter { | ||
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| @Override | ||
| public Optional<Object> convertColumnValue(final Object columnValue) { | ||
| return Optional.empty(); | ||
| } | ||
|
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| @Override | ||
| public Optional<Integer> convertColumnType(final Integer columnType) { | ||
| return Optional.empty(); | ||
| } | ||
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| @Override | ||
| public String getDatabaseType() { | ||
| return "Oracle"; | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
...pache/shardingsphere/sqlfederation/resultset/converter/PostgreSQLColumnTypeConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * 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.shardingsphere.sqlfederation.resultset.converter; | ||
|
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| import org.apache.shardingsphere.sqlfederation.spi.SQLFederationColumnTypeConverter; | ||
|
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| import java.util.Optional; | ||
|
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| /** | ||
| * PostgreSQL column type converter. | ||
| */ | ||
| public final class PostgreSQLColumnTypeConverter implements SQLFederationColumnTypeConverter { | ||
|
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| @Override | ||
| public Optional<Object> convertColumnValue(final Object columnValue) { | ||
| return Optional.empty(); | ||
| } | ||
|
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| @Override | ||
| public Optional<Integer> convertColumnType(final Integer columnType) { | ||
| return Optional.empty(); | ||
| } | ||
|
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| @Override | ||
| public String getDatabaseType() { | ||
| return "PostgreSQL"; | ||
| } | ||
| } |
21 changes: 21 additions & 0 deletions
21
...INF/services/org.apache.shardingsphere.sqlfederation.spi.SQLFederationColumnTypeConverter
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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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| org.apache.shardingsphere.sqlfederation.resultset.converter.MySQLColumnTypeConverter | ||
| org.apache.shardingsphere.sqlfederation.resultset.converter.OracleColumnTypeConverter | ||
| org.apache.shardingsphere.sqlfederation.resultset.converter.OpenGaussColumnTypeConverter | ||
| org.apache.shardingsphere.sqlfederation.resultset.converter.PostgreSQLColumnTypeConverter |
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