Package com.alibaba.druid.sql.ast.expr

Examples of com.alibaba.druid.sql.ast.expr.SQLCharExpr

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                lexer.nextToken();
                return primaryRest(new MySqlBooleanExpr(false));
            case LITERAL_ALIAS:
                String aliasValue = lexer.stringVal();
                lexer.nextToken();
                return primaryRest(new SQLCharExpr(aliasValue));
            default:
                return super.primary();
        }

    }
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            } else if (expr instanceof SQLCharExpr) {
                SQLMethodInvokeExpr concat = new SQLMethodInvokeExpr("CONCAT");
                concat.getParameters().add(expr);
                do {
                    String chars = lexer.stringVal();
                    concat.getParameters().add(new SQLCharExpr(chars));
                    lexer.nextToken();
                } while (lexer.token() == Token.LITERAL_CHARS);
                expr = concat;
            }
        } else if (lexer.token() == Token.IDENTIFIER) {
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        MySqlCreateUserStatement stmt = new MySqlCreateUserStatement();

        for (;;) {
            MySqlCreateUserStatement.UserSpecification userSpec = new MySqlCreateUserStatement.UserSpecification();

            SQLCharExpr expr = (SQLCharExpr) exprParser.expr();
            String user = expr.toString();
            if (lexer.token() == Token.VARIANT) {
                lexer.nextToken();
                SQLCharExpr expr2 = (SQLCharExpr) exprParser.expr();
                user += '@';
                user += expr2.toString();
            }
            userSpec.setUser(new SQLIdentifierExpr(user));

            if (lexer.token() == Token.IDENTIFIED) {
                lexer.nextToken();
                if (lexer.token() == Token.BY) {
                    lexer.nextToken();

                    if (lexer.token() == Token.PASSWORD) {
                        lexer.nextToken();
                    }

                    SQLCharExpr password = (SQLCharExpr) this.exprParser.expr();
                    userSpec.setPassword(password);
                } else if (lexer.token() == Token.WITH) {
                    lexer.nextToken();

                    SQLCharExpr text = (SQLCharExpr) this.exprParser.expr();
                    userSpec.setAuthPlugin(text);
                }
            }

            stmt.getUsers().add(userSpec);
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    public SQLStatement parseDropUser() throws ParserException {
        accept(Token.USER);

        MySqlDropUser stmt = new MySqlDropUser();
        for (;;) {
            SQLCharExpr expr = (SQLCharExpr) this.exprParser.expr();
            String user = expr.toString();
            if (lexer.token() == Token.VARIANT) {
                lexer.nextToken();
                SQLCharExpr expr2 = (SQLCharExpr) this.exprParser.expr();
                user += '@';
                user += expr2.toString();
            }
            stmt.getUsers().add(new SQLIdentifierExpr(user));
            if (lexer.token() == Token.COMMA) {
                lexer.nextToken();
                continue;
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            print(param.toString());
            return;
        }
       
        if (param instanceof String) {
            SQLCharExpr charExpr = new SQLCharExpr((String) param);
            visit(charExpr);
            return;
        }

        if (param instanceof Date) {
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        OracleIntervalExpr interval = new OracleIntervalExpr();
        if (lexer.token() != Token.LITERAL_CHARS) {
            return new SQLIdentifierExpr("INTERVAL");
        }
        interval.setValue(new SQLCharExpr(lexer.stringVal()));
        lexer.nextToken();

       
        OracleIntervalType type = OracleIntervalType.valueOf(lexer.stringVal());
        interval.setType(type);
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                lexer.nextToken();
                return primaryRest(new MySqlBooleanExpr(false));
            case LITERAL_ALIAS:
                String aliasValue = lexer.stringVal();
                lexer.nextToken();
                return primaryRest(new SQLCharExpr(aliasValue));
            case VARIANT:
                SQLVariantRefExpr varRefExpr = new SQLVariantRefExpr(lexer.stringVal());
                lexer.nextToken();
                if (varRefExpr.getName().equalsIgnoreCase("@@global")) {
                    accept(Token.DOT);
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            } else if (expr instanceof SQLCharExpr) {
                SQLMethodInvokeExpr concat = new SQLMethodInvokeExpr("CONCAT");
                concat.getParameters().add(expr);
                do {
                    String chars = lexer.stringVal();
                    concat.getParameters().add(new SQLCharExpr(chars));
                    lexer.nextToken();
                } while (lexer.token() == Token.LITERAL_CHARS);
                expr = concat;
            }
        } else if (lexer.token() == Token.IDENTIFIER) {
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            case LITERAL_FLOAT:
                sqlExpr = new SQLNumberExpr(lexer.decimalValue());
                lexer.nextToken();
                break;
            case LITERAL_CHARS:
                sqlExpr = new SQLCharExpr(lexer.stringVal());
                lexer.nextToken();
                break;
            case LITERAL_NCHARS:
                sqlExpr = new SQLNCharExpr(lexer.stringVal());
                lexer.nextToken();
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        OracleIntervalExpr interval = new OracleIntervalExpr();
        if (lexer.token() != Token.LITERAL_CHARS) {
            return new SQLIdentifierExpr("INTERVAL");
        }
        interval.setValue(new SQLCharExpr(lexer.stringVal()));
        lexer.nextToken();

       
        OracleIntervalType type = OracleIntervalType.valueOf(lexer.stringVal());
        interval.setType(type);
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