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pg sqlparser support drop table if not exists

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wenshao
2014-12-03 03:08:54 +08:00
parent b7ddd9a4cf
commit 125a3df68e
2 changed files with 38 additions and 0 deletions
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src/main/java/com/alibaba/druid/sql/dialect/postgresql/parser/PGLexer.java
+1
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@@ -62,6 +62,7 @@ public class PGLexer extends Lexer {
map.put("TRUE", Token.TRUE);
map.put("FALSE", Token.FALSE);
map.put("ARRAY", Token.ARRAY);
map.put("IF", Token.IF);
DEFAULT_PG_KEYWORDS = new Keywords(map);
}
src/test/java/com/alibaba/druid/bvt/sql/postgresql/ddl/PGDropTableIfExistsTest.java
+37
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@@ -0,0 +1,37 @@
package com.alibaba.druid.bvt.sql.postgresql.ddl;
import java.util.List;
import org.junit.Assert;
import com.alibaba.druid.sql.PGTest;
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;
import com.alibaba.druid.stat.TableStat;
public class PGDropTableIfExistsTest extends PGTest {
public void test_0 () throws Exception {
String sql = "DROP TABLE IF EXISTS t_report_1_19";
PGSQLStatementParser parser = new PGSQLStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
print(statementList);
Assert.assertEquals(1, statementList.size());
PGSchemaStatVisitor visitor = new PGSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_report_1_19")));
Assert.assertTrue(visitor.getTables().get(new TableStat.Name("t_report_1_19")).getDropCount() == 1);
Assert.assertTrue(visitor.getColumns().size() == 0);
}
}