Examples with BitInvertExpression com.alibaba.cobar.parser.ast.expression.bit.BitInvertExpression used on opensource projects

Example 1 with BitInvertExpression

use of com.alibaba.cobar.parser.ast.expression.bit.BitInvertExpression 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 2 with BitInvertExpression

use of com.alibaba.cobar.parser.ast.expression.bit.BitInvertExpression 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);
}