package com.alipay.zdal.test.ut.sqlparser.oracle;
import java.util.List;
import org.junit.Test;
import junit.framework.Assert;
import com.alipay.zdal.parser.sql.ast.SQLStatement;
import com.alipay.zdal.parser.sql.ast.expr.SQLBinaryOpExpr;
import com.alipay.zdal.parser.sql.ast.expr.SQLBinaryOperator;
import com.alipay.zdal.parser.sql.ast.statement.SQLSelect;
import com.alipay.zdal.parser.sql.ast.statement.SQLSelectQueryBlock;
import com.alipay.zdal.parser.sql.ast.statement.SQLSelectStatement;
import com.alipay.zdal.parser.sql.dialect.oracle.parser.OracleStatementParser;
import com.alipay.zdal.parser.sql.dialect.oracle.visitor.OracleSchemaStatVisitor;
import com.alipay.zdal.parser.sql.stat.TableStat;
public class OracleSelectTest36 {
@Test
public void test_0() throws Exception {
String sql = //
"select ID,name from druid_test where (name>=? or name is null) and card_id<?"; //
OracleStatementParser parser = new OracleStatementParser(sql);
List<SQLStatement> statementList = parser.parseStatementList();
SQLStatement statemen = statementList.get(0);
{
SQLSelect select = ((SQLSelectStatement) statemen).getSelect();
SQLSelectQueryBlock queryBlock = (SQLSelectQueryBlock) select.getQuery();
SQLBinaryOpExpr where = (SQLBinaryOpExpr) queryBlock.getWhere();
Assert.assertEquals(SQLBinaryOperator.BooleanAnd, where.getOperator());
SQLBinaryOpExpr left = (SQLBinaryOpExpr) where.getLeft();
Assert.assertEquals(SQLBinaryOperator.BooleanOr, left.getOperator());
SQLBinaryOpExpr nameGTEQ = (SQLBinaryOpExpr) left.getLeft();
Assert.assertEquals(SQLBinaryOperator.GreaterThanOrEqual, nameGTEQ.getOperator());
SQLBinaryOpExpr nameIS = (SQLBinaryOpExpr) left.getRight();
Assert.assertEquals(SQLBinaryOperator.Is, nameIS.getOperator());
}
Assert.assertEquals(1, statementList.size());
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());
Assert.assertEquals(1, visitor.getTables().size());
Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("druid_test")));
Assert.assertEquals(3, visitor.getColumns().size());
Assert.assertTrue(visitor.getColumns().contains(
new TableStat.Column("druid_test", "ID")));
Assert.assertTrue(visitor.getColumns().contains(
new TableStat.Column("druid_test", "name")));
Assert.assertTrue(visitor.getColumns().contains(
new TableStat.Column("druid_test", "card_id")));
// Assert.assertTrue(visitor.getOrderByColumns().contains(new TableStat.Column("employees", "last_name")));
}
}