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sql parser support postgresql json operator

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高铁
2016-06-29 16:40:06 +08:00
parent c565260990
commit 022c0fe620
9 changed files with 274 additions and 4 deletions
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src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest26.java
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/*
* Copyright 1999-2101 Alibaba Group Holding Ltd.
*
* 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
*
* 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.
*/
package com.alibaba.druid.bvt.sql.postgresql;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
public class PGSelectTest26 extends PGTest {
public void test_0() throws Exception {
String sql = "select '[{\"a\":\"foo\"},{\"b\":\"bar\"},{\"c\":\"baz\"}]'::json->2 from dual";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals("SELECT '[{\"a\":\"foo\"},{\"b\":\"bar\"},{\"c\":\"baz\"}]'::json -> 2"
+ "\nFROM dual", SQLUtils.toPGString(stmt));
Assert.assertEquals("select '[{\"a\":\"foo\"},{\"b\":\"bar\"},{\"c\":\"baz\"}]'::json -> 2"
+ "\nfrom dual", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
Assert.assertEquals(0, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getTables().size());
}
}
src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest27.java
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/*
* Copyright 1999-2101 Alibaba Group Holding Ltd.
*
* 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
*
* 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.
*/
package com.alibaba.druid.bvt.sql.postgresql;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
public class PGSelectTest27 extends PGTest {
public void test_0() throws Exception {
String sql = "select '[{\"a\":\"foo\"},{\"b\":\"bar\"},{\"c\":\"baz\"}]'::json->>2 from dual";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals("SELECT '[{\"a\":\"foo\"},{\"b\":\"bar\"},{\"c\":\"baz\"}]'::json ->> 2"
+ "\nFROM dual", SQLUtils.toPGString(stmt));
Assert.assertEquals("select '[{\"a\":\"foo\"},{\"b\":\"bar\"},{\"c\":\"baz\"}]'::json ->> 2"
+ "\nfrom dual", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
Assert.assertEquals(0, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getTables().size());
}
}
src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest28.java
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/*
* Copyright 1999-2101 Alibaba Group Holding Ltd.
*
* 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
*
* 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.
*/
package com.alibaba.druid.bvt.sql.postgresql;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
public class PGSelectTest28 extends PGTest {
public void test_0() throws Exception {
String sql = "select '{\"a\": {\"b\":{\"c\": \"foo\"}}}'::json #> '{a,b}' from dual";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals("SELECT '{\"a\": {\"b\":{\"c\": \"foo\"}}}'::json #> '{a,b}'"
+ "\nFROM dual", SQLUtils.toPGString(stmt));
Assert.assertEquals("select '{\"a\": {\"b\":{\"c\": \"foo\"}}}'::json #> '{a,b}'"
+ "\nfrom dual", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
Assert.assertEquals(0, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getTables().size());
}
}
src/test/java/com/alibaba/druid/bvt/sql/postgresql/PGSelectTest29.java
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/*
* Copyright 1999-2101 Alibaba Group Holding Ltd.
*
* 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
*
* 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.
*/
package com.alibaba.druid.bvt.sql.postgresql;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.postgresql.parser.PGSQLStatementParser;
import com.alibaba.druid.sql.dialect.postgresql.visitor.PGSchemaStatVisitor;
public class PGSelectTest29 extends PGTest {
public void test_0() throws Exception {
String sql = "select '{\"a\": {\"b\":{\"c\": \"foo\"}}}'::json #>> '{a,b}' from dual";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement stmt = statementList.get(0);
Assert.assertEquals("SELECT '{\"a\": {\"b\":{\"c\": \"foo\"}}}'::json #>> '{a,b}'"
+ "\nFROM dual", SQLUtils.toPGString(stmt));
Assert.assertEquals("select '{\"a\": {\"b\":{\"c\": \"foo\"}}}'::json #>> '{a,b}'"
+ "\nfrom dual", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION));
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
stmt.accept(visitor);
// System.out.println("Tables : " + visitor.getTables());
// System.out.println("fields : " + visitor.getColumns());
// System.out.println("coditions : " + visitor.getConditions());
Assert.assertEquals(0, visitor.getColumns().size());
Assert.assertEquals(1, visitor.getTables().size());
}
}