Examples with NegativeValueExpression com.alibaba.cobar.parser.ast.expression.logical.NegativeValueExpression used on opensource projects

Example 1 with NegativeValueExpression

use of com.alibaba.cobar.parser.ast.expression.logical.NegativeValueExpression in project cobar by alibaba.

the class MySQLExprParserTest method testExpr1.

public void testExpr1() throws Exception {
    String sql = "\"abc\" /* */  '\\'s' + id2/ id3, 123-456*(ii moD d)";
    MySQLLexer lexer = new MySQLLexer(sql);
    MySQLExprParser parser = new MySQLExprParser(lexer);
    Expression expr = parser.expression();
    String output = output2MySQL(expr, sql);
    Assert.assertEquals("'abc\\'s' + id2 / id3", output);
    Assert.assertEquals(ArithmeticAddExpression.class, expr.getClass());
    BinaryOperatorExpression bex = (BinaryOperatorExpression) ((ArithmeticAddExpression) expr).getRightOprand();
    Assert.assertEquals(ArithmeticDivideExpression.class, bex.getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    lexer.nextToken();
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("123 - 456 * (ii % d)", output);
    Assert.assertEquals(ArithmeticSubtractExpression.class, expr.getClass());
    sql = "(n'\"abc\"' \"abc\" /* */  '\\'s' + 1.123e1/ id3)*(.1e3-a||b)mod x'abc'&&(select 0b1001^b'0000')";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("(N'\"abc\"abc\\'s' + 11.23 / id3) * (1E+2 - a OR b) % x'abc' AND (SELECT b'1001' ^ b'0000')", output);
    Assert.assertEquals(LogicalAndExpression.class, expr.getClass());
    bex = (BinaryOperatorExpression) ((LogicalAndExpression) expr).getOperand(0);
    Assert.assertEquals(ArithmeticModExpression.class, bex.getClass());
    bex = (BinaryOperatorExpression) ((ArithmeticModExpression) bex).getLeftOprand();
    Assert.assertEquals(ArithmeticMultiplyExpression.class, bex.getClass());
    bex = (BinaryOperatorExpression) ((ArithmeticMultiplyExpression) bex).getLeftOprand();
    Assert.assertEquals(ArithmeticAddExpression.class, bex.getClass());
    Assert.assertEquals(LiteralString.class, ((ArithmeticAddExpression) bex).getLeftOprand().getClass());
    bex = (BinaryOperatorExpression) ((ArithmeticAddExpression) bex).getRightOprand();
    Assert.assertEquals(ArithmeticDivideExpression.class, bex.getClass());
    Assert.assertEquals(DMLSelectStatement.class, ((LogicalAndExpression) expr).getOperand(1).getClass());
    sql = "not! ~`select` in (1,current_date,`current_date`)like `all` div a between (c&&d) and (d|e)";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("NOT ! ~ `select` IN (1, CURDATE(), `current_date`) LIKE `all` DIV a BETWEEN (c AND d) AND d | e", output);
    Assert.assertEquals(LogicalNotExpression.class, expr.getClass());
    TernaryOperatorExpression tex = (TernaryOperatorExpression) ((LogicalNotExpression) expr).getOperand();
    Assert.assertEquals(BetweenAndExpression.class, tex.getClass());
    Assert.assertEquals(LikeExpression.class, tex.getFirst().getClass());
    Assert.assertEquals(LogicalAndExpression.class, tex.getSecond().getClass());
    Assert.assertEquals(BitOrExpression.class, tex.getThird().getClass());
    tex = (TernaryOperatorExpression) ((BetweenAndExpression) tex).getFirst();
    Assert.assertEquals(InExpression.class, tex.getFirst().getClass());
    Assert.assertEquals(ArithmeticIntegerDivideExpression.class, tex.getSecond().getClass());
    bex = (BinaryOperatorExpression) (InExpression) tex.getFirst();
    Assert.assertEquals(NegativeValueExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(InExpressionList.class, bex.getRightOprand().getClass());
    UnaryOperatorExpression uex = (UnaryOperatorExpression) ((NegativeValueExpression) bex.getLeftOprand());
    Assert.assertEquals(BitInvertExpression.class, uex.getOperand().getClass());
    sql = " binary case ~a||b&&c^d xor e when 2>any(select a ) then 3 else 4 end is not null =a";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("BINARY CASE ~ a OR b AND c ^ d XOR e WHEN 2 > ANY (SELECT a) THEN 3 ELSE 4 END IS NOT NULL = a", output);
    Assert.assertEquals(ComparisionEqualsExpression.class, expr.getClass());
    bex = (BinaryOperatorExpression) ((ComparisionEqualsExpression) expr);
    Assert.assertEquals(ComparisionIsExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    ComparisionIsExpression cex = (ComparisionIsExpression) bex.getLeftOprand();
    Assert.assertEquals(CastBinaryExpression.class, cex.getOperand().getClass());
    uex = (UnaryOperatorExpression) cex.getOperand();
    Assert.assertEquals(CaseWhenOperatorExpression.class, uex.getOperand().getClass());
    CaseWhenOperatorExpression cwex = (CaseWhenOperatorExpression) uex.getOperand();
    Assert.assertEquals(LogicalOrExpression.class, cwex.getComparee().getClass());
    PolyadicOperatorExpression pex = (LogicalOrExpression) cwex.getComparee();
    Assert.assertEquals(BitInvertExpression.class, pex.getOperand(0).getClass());
    Assert.assertEquals(LogicalXORExpression.class, pex.getOperand(1).getClass());
    bex = (LogicalXORExpression) pex.getOperand(1);
    Assert.assertEquals(LogicalAndExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    pex = (LogicalAndExpression) bex.getLeftOprand();
    Assert.assertEquals(Identifier.class, pex.getOperand(0).getClass());
    Assert.assertEquals(BitXORExpression.class, pex.getOperand(1).getClass());
    sql = " !interval(a,b)<=>a>>b collate x /?+a!=@@1 or @var sounds like -(a-b) mod -(d or e)";
    lexer = new MySQLLexer(sql);
    parser = new MySQLExprParser(lexer);
    expr = parser.expression();
    output = output2MySQL(expr, sql);
    Assert.assertEquals("! INTERVAL(a, b) <=> a >> b COLLATE x / ? + a != @@1 OR @var SOUNDS LIKE - (a - b) % - (d OR e)", output);
    Assert.assertEquals(LogicalOrExpression.class, expr.getClass());
    pex = (LogicalOrExpression) expr;
    Assert.assertEquals(ComparisionNotEqualsExpression.class, pex.getOperand(0).getClass());
    Assert.assertEquals(SoundsLikeExpression.class, pex.getOperand(1).getClass());
    bex = (BinaryOperatorExpression) pex.getOperand(0);
    Assert.assertEquals(ComparisionNullSafeEqualsExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(SysVarPrimary.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getLeftOprand();
    Assert.assertEquals(NegativeValueExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(BitShiftExpression.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(Identifier.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(ArithmeticAddExpression.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(ArithmeticDivideExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(Identifier.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getLeftOprand();
    Assert.assertEquals(CollateExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(ParamMarker.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) ((LogicalOrExpression) expr).getOperand(1);
    Assert.assertEquals(UsrDefVarPrimary.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(ArithmeticModExpression.class, bex.getRightOprand().getClass());
    bex = (BinaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(MinusExpression.class, bex.getLeftOprand().getClass());
    Assert.assertEquals(MinusExpression.class, bex.getRightOprand().getClass());
    uex = (UnaryOperatorExpression) bex.getLeftOprand();
    Assert.assertEquals(ArithmeticSubtractExpression.class, uex.getOperand().getClass());
    uex = (UnaryOperatorExpression) bex.getRightOprand();
    Assert.assertEquals(LogicalOrExpression.class, uex.getOperand().getClass());
}

Example 2 with NegativeValueExpression

use of com.alibaba.cobar.parser.ast.expression.logical.NegativeValueExpression in project cobar by alibaba.

the class MySQLExprParserTest method testUnary.

public void testUnary() throws Exception {
    String sql = "!-~ binary a collate latin1_danish_ci";
    MySQLExprParser parser = new MySQLExprParser(new MySQLLexer(sql));
    Expression expr = parser.expression();
    String output = output2MySQL(expr, sql);
    Assert.assertEquals("! - ~ BINARY a COLLATE latin1_danish_ci", output);
    NegativeValueExpression neg = (NegativeValueExpression) expr;
    MinusExpression mi = (MinusExpression) neg.getOperand();
    BitInvertExpression bi = (BitInvertExpression) mi.getOperand();
    CastBinaryExpression bin = (CastBinaryExpression) bi.getOperand();
    CollateExpression col = (CollateExpression) bin.getOperand();
    Assert.assertEquals("a", ((Identifier) col.getString()).getIdText());
}

Example 3 with NegativeValueExpression

use of com.alibaba.cobar.parser.ast.expression.logical.NegativeValueExpression in project cobar by alibaba.

the class MySQLExprParser method unaryOpExpression.

/**
     * <code>('+'|'-'|'~'|'!'|'BINARY')* higherExpr</code><br/>
     * '!' has higher precedence
     */
private Expression unaryOpExpression(String consumed, String consumedUp) throws SQLSyntaxErrorException {
    if (consumed == null) {
        Expression expr;
        switch(lexer.token()) {
            case OP_EXCLAMATION:
                lexer.nextToken();
                expr = unaryOpExpression(null, null);
                return new NegativeValueExpression(expr).setCacheEvalRst(cacheEvalRst);
            case OP_PLUS:
                lexer.nextToken();
                return unaryOpExpression(null, null);
            case OP_MINUS:
                lexer.nextToken();
                expr = unaryOpExpression(null, null);
                return new MinusExpression(expr).setCacheEvalRst(cacheEvalRst);
            case OP_TILDE:
                lexer.nextToken();
                expr = unaryOpExpression(null, null);
                return new BitInvertExpression(expr).setCacheEvalRst(cacheEvalRst);
            case KW_BINARY:
                lexer.nextToken();
                expr = unaryOpExpression(null, null);
                return new CastBinaryExpression(expr).setCacheEvalRst(cacheEvalRst);
        }
    }
    return collateExpression(consumed, consumedUp);
}