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bug fixed for pg sql parser 'with update', for issue alibaba#1727
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src/test/java/com/alibaba/druid/bvt/sql/postgresql/select/PGSelectTest49.java
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/* | ||
* Copyright 1999-2017 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.select; | ||
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import com.alibaba.druid.sql.SQLUtils; | ||
import com.alibaba.druid.sql.ast.SQLStatement; | ||
import com.alibaba.druid.sql.visitor.SchemaStatVisitor; | ||
import com.alibaba.druid.util.JdbcConstants; | ||
import junit.framework.TestCase; | ||
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import java.util.List; | ||
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public class PGSelectTest49 extends TestCase { | ||
private final String dbType = JdbcConstants.POSTGRESQL; | ||
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public void test_0() throws Exception { | ||
String sql = "WITH sel AS (SELECT\n" + | ||
" unnest(ARRAY [4275]) AS gdid,\n" + | ||
" unnest(ARRAY [1]) AS gdnumber)\n" + | ||
"UPDATE goods_detail\n" + | ||
"SET gd_number = gd_number - gdnumber FROM sel\n" + | ||
"WHERE gd_id = gdid;"; | ||
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List<SQLStatement> stmtList = SQLUtils.parseStatements(sql, dbType); | ||
SQLStatement stmt = stmtList.get(0); | ||
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assertEquals("WITH\n" + | ||
"\tsel\n" + | ||
"\tAS\n" + | ||
"\t(\n" + | ||
"\t\tSELECT unnest(ARRAY[4275]) AS gdid, unnest(ARRAY[1]) AS gdnumber\n" + | ||
"\t)\n" + | ||
"UPDATE goods_detail\n" + | ||
"SET gd_number = gd_number - gdnumber\n" + | ||
"FROM sel\n" + | ||
"WHERE gd_id = gdid", SQLUtils.toPGString(stmt)); | ||
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assertEquals("with\n" + | ||
"\tsel\n" + | ||
"\tas\n" + | ||
"\t(\n" + | ||
"\t\tselect unnest(ARRAY[4275]) as gdid, unnest(ARRAY[1]) as gdnumber\n" + | ||
"\t)\n" + | ||
"update goods_detail\n" + | ||
"set gd_number = gd_number - gdnumber\n" + | ||
"from sel\n" + | ||
"where gd_id = gdid", SQLUtils.toPGString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION)); | ||
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assertEquals(1, stmtList.size()); | ||
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SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(dbType); | ||
stmt.accept(visitor); | ||
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// System.out.println("Tables : " + visitor.getTables()); | ||
// System.out.println("fields : " + visitor.getColumns()); | ||
// System.out.println("coditions : " + visitor.getConditions()); | ||
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assertEquals(4, visitor.getColumns().size()); | ||
assertEquals(1, visitor.getTables().size()); | ||
} | ||
} |