private static SQLExpr toSqlExpr(String sql) {
SQLExprParser parser = new ElasticSqlExprParser(sql);
SQLExpr expr = parser.expr();
if (parser.getLexer().token() != Token.EOF) {
throw new ParserException("illegal sql expr : " + sql);
}
return expr;
}
public void test_binary() throws Exception {
SQLExprParser exprParser = new SQLExprParser("AGE > 5");
SQLBinaryOpExpr binaryOpExpr = (SQLBinaryOpExpr) exprParser.expr();
Assert.assertEquals(SQLBinaryOperator.GreaterThan, binaryOpExpr.getOperator());
SQLIdentifierExpr left = (SQLIdentifierExpr) binaryOpExpr.getLeft();
SQLIntegerExpr right = (SQLIntegerExpr) binaryOpExpr.getRight();
Assert.assertEquals("AGE", left.getName());
Assert.assertEquals(5, right.getNumber().intValue());
}
