Package com.alibaba.druid.sql.ast

Examples of com.alibaba.druid.sql.ast.SQLExpr

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    }

    public final SQLExpr bitAndRest(SQLExpr expr) throws ParserException {
        while (lexer.token() == Token.AMP) {
            lexer.nextToken();
            SQLExpr rightExp = shift();
            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BitwiseAnd, rightExp);
        }
        return expr;
    }
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        }
        return expr;
    }

    public final SQLExpr bitOr() throws ParserException {
        SQLExpr expr = bitAnd();
        return bitOrRest(expr);
    }
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    }

    public final SQLExpr bitOrRest(SQLExpr expr) throws ParserException {
        if (lexer.token() == Token.BAR) {
            lexer.nextToken();
            SQLExpr rightExp = bitAnd();
            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BitwiseOr, rightExp);
            expr = bitAndRest(expr);
        } else if (lexer.token() == Token.TILDE) {
            lexer.nextToken();
            SQLExpr rightExp = bitAnd();
            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.InvertBits, rightExp);
            expr = bitAndRest(expr);
        }
        return expr;
    }
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        }
        return expr;
    }

    public final SQLExpr equality() throws ParserException {
        SQLExpr expr = shift();
        return equalityRest(expr);
    }
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        SQLExpr expr = shift();
        return equalityRest(expr);
    }

    public SQLExpr equalityRest(SQLExpr expr) throws ParserException {
        SQLExpr rightExp;
        if (lexer.token() == Token.EQ) {
            lexer.nextToken();
            rightExp = shift();

            rightExp = equalityRest(rightExp);
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            accept(Token.RPAREN);
            expr = inListExpr;

            if (inListExpr.getTargetList().size() == 1) {
                SQLExpr targetExpr = inListExpr.getTargetList().get(0);
                if (targetExpr instanceof SQLQueryExpr) {
                    SQLInSubQueryExpr inSubQueryExpr = new SQLInSubQueryExpr();
                    inSubQueryExpr.setExpr(inListExpr.getExpr());
                    inSubQueryExpr.setSubQuery(((SQLQueryExpr) targetExpr).getSubQuery());
                    expr = inSubQueryExpr;
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        return expr;
    }

    public final SQLExpr additive() throws ParserException {
        SQLExpr expr = multiplicative();
        return additiveRest(expr);
    }
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    }

    public SQLExpr additiveRest(SQLExpr expr) throws ParserException {
        if (lexer.token() == Token.PLUS) {
            lexer.nextToken();
            SQLExpr rightExp = multiplicative();

            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.Add, rightExp);
            expr = additiveRest(expr);
        } else if (lexer.token() == Token.BARBAR) {
            lexer.nextToken();
            SQLExpr rightExp = multiplicative();
            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.Concat, rightExp);
            expr = additiveRest(expr);
        } else if (lexer.token() == Token.SUB) {
            lexer.nextToken();
            SQLExpr rightExp = multiplicative();

            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.Subtract, rightExp);
            expr = additiveRest(expr);
        }
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        return expr;
    }

    public final SQLExpr shift() throws ParserException {
        SQLExpr expr = additive();
        return shiftRest(expr);
    }
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    }

    public SQLExpr shiftRest(SQLExpr expr) throws ParserException {
        if (lexer.token() == Token.LTLT) {
            lexer.nextToken();
            SQLExpr rightExp = additive();

            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.LeftShift, rightExp);
            expr = shiftRest(expr);
        } else if (lexer.token() == Token.GTGT) {
            lexer.nextToken();
            SQLExpr rightExp = additive();

            expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.RightShift, rightExp);
            expr = shiftRest(expr);
        }
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