package com.alipay.zdal.test.ut.sqlparser.oracle;
import java.util.List;
import org.junit.Test;
import com.alipay.zdal.parser.sql.ast.SQLStatement;
import com.alipay.zdal.parser.sql.dialect.oracle.parser.OracleStatementParser;
import com.alipay.zdal.parser.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
public class OracleSelectParserTest {
@Test
public void test_select() throws Exception {
String sql = "SELECT last_name, department_id FROM employees WHERE department_id = (SELECT department_id FROM employees WHERE last_name = 'Lorentz') ORDER BY last_name, department_id;";
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("alias : " + visitor.getAliasMap());
System.out.println("conditions : " + visitor.getConditions());
System.out.println("orderBy : " + visitor.getOrderByColumns());
System.out.println("groupBy : " + visitor.getGroupByColumns());
System.out.println("variant : " + visitor.getVariants());
System.out.println("relationShip : " + visitor.getRelationships());
System.out.println("--------------------------------");
}
@Test
public void test_hinits() throws Exception {
String sql = "SELECT /*+FIRST_ROWS*/ * FROM T";
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
OracleSchemaStatVisitor visitor = new OracleSchemaStatVisitor();
statemen.accept(visitor);
System.out.println("Tables : " + visitor.getTables());
System.out.println("fields : " + visitor.getColumns());
System.out.println("alias : " + visitor.getAliasMap());
System.out.println("conditions : " + visitor.getConditions());
System.out.println("orderBy : " + visitor.getOrderByColumns());
System.out.println("groupBy : " + visitor.getGroupByColumns());
System.out.println("variant : " + visitor.getVariants());
System.out.println("relationShip : " + visitor.getRelationships());
System.out.println("--------------------------------");
}
}