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add hive sql parser support

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温少
2012-02-25 21:02:27 +08:00
parent 4775d9e475 e1a394c159
commit dd2a913937
15 changed files with 340 additions and 9 deletions
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src/test/java/com/alibaba/druid/bvt/sql/hive/HiveCreateTableTest2.java
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package com.alibaba.druid.bvt.sql.hive;
import java.util.List;
import junit.framework.Assert;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.hive.parser.HiveStatementParser;
import com.alibaba.druid.sql.dialect.hive.visitor.HiveSchemaStatVisitor;
import com.alibaba.druid.sql.hive.HiveTest;
import com.alibaba.druid.stat.TableStat;
public class HiveCreateTableTest2 extends HiveTest {
public void test_hive() throws Exception {
String sql = "CREATE TABLE invites (foo INT, bar STRING) PARTITIONED BY (ds STRING);";
HiveStatementParser parser = new HiveStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
System.out.println(output(statementList));
Assert.assertEquals(1, statementList.size());
HiveSchemaStatVisitor visitor = new HiveSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("relationships : " + visitor.getRelationships());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("invites")));
Assert.assertEquals(2, visitor.getColumns().size());
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("invites", "foo")));
Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("invites", "bar")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/hive/HiveShowTableTest.java
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package com.alibaba.druid.bvt.sql.hive;
import java.util.List;
import junit.framework.Assert;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.hive.parser.HiveStatementParser;
import com.alibaba.druid.sql.dialect.hive.visitor.HiveSchemaStatVisitor;
import com.alibaba.druid.sql.hive.HiveTest;
import com.alibaba.druid.stat.TableStat;
public class HiveShowTableTest extends HiveTest {
public void test_hive() throws Exception {
String sql = "SHOW TABLES";
HiveStatementParser parser = new HiveStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
System.out.println(output(statementList));
Assert.assertEquals(1, statementList.size());
HiveSchemaStatVisitor visitor = new HiveSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("relationships : " + visitor.getRelationships());
// Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("invites")));
Assert.assertEquals(0, visitor.getColumns().size());
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("invites", "foo")));
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("invites", "bar")));
}
}
src/test/java/com/alibaba/druid/bvt/sql/hive/HiveShowTableTest2.java
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package com.alibaba.druid.bvt.sql.hive;
import java.util.List;
import junit.framework.Assert;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.dialect.hive.parser.HiveStatementParser;
import com.alibaba.druid.sql.dialect.hive.visitor.HiveSchemaStatVisitor;
import com.alibaba.druid.sql.hive.HiveTest;
public class HiveShowTableTest2 extends HiveTest {
public void test_hive() throws Exception {
String sql = "SHOW TABLES '.*s';";
HiveStatementParser parser = new HiveStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
System.out.println(output(statementList));
Assert.assertEquals(1, statementList.size());
HiveSchemaStatVisitor visitor = new HiveSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("coditions : " + visitor.getConditions());
System.out.println("relationships : " + visitor.getRelationships());
// Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("invites")));
Assert.assertEquals(0, visitor.getColumns().size());
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("invites", "foo")));
// Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("invites", "bar")));
}
}