Package com.alibaba.druid.sql.ast

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

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            accept(Token.RPAREN);

            return primaryRest(methodInvokeExpr);
        } else {
            SQLExpr value = expr();

            if (lexer.token() != Token.IDENTIFIER) {
                throw new ParserException("Syntax error");
            }
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    public SQLExpr orRest(SQLExpr expr) throws ParserException {

        for (;;) {
            if (lexer.token() == Token.OR || lexer.token() == Token.BARBAR) {
                lexer.nextToken();
                SQLExpr rightExp = and();

                expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BooleanOr, rightExp);
            } else if (lexer.token() == Token.XOR) {
                lexer.nextToken();
                SQLExpr rightExp = and();

                expr = new SQLBinaryOpExpr(expr, SQLBinaryOperator.BooleanXor, rightExp);
            } else {
                break;
            }
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                if (lexer.token() == Token.ON) {
                    lexer.nextToken();

                    for (;;) {
                        SQLExpr expr = this.createExprParser().expr();
                        queryBlock.getDistinctOn().add(expr);
                        if (lexer.token() == Token.COMMA) {
                            lexer.nextToken();
                            continue;
                        } else {
                            break;
                        }
                    }
                }
            } else if (lexer.token() == Token.ALL) {
                queryBlock.setDistionOption(SQLSetQuantifier.ALL);
                lexer.nextToken();
            }

            parseSelectList(queryBlock);

            if (lexer.token() == Token.INTO) {
                lexer.nextToken();

                if (lexer.token() == Token.TEMPORARY) {
                    lexer.nextToken();
                    queryBlock.setIntoOption(IntoOption.TEMPORARY);
                } else if (lexer.token() == Token.TEMP) {
                    lexer.nextToken();
                    queryBlock.setIntoOption(IntoOption.TEMP);
                } else if (lexer.token() == Token.UNLOGGED) {
                    lexer.nextToken();
                    queryBlock.setIntoOption(IntoOption.UNLOGGED);
                }

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

                SQLExpr name = this.createExprParser().name();

                queryBlock.setInto(new SQLExprTableSource(name));
            }
        }

        parseFrom(queryBlock);

        parseWhere(queryBlock);

        parseGroupBy(queryBlock);

        if (lexer.token() == Token.WINDOW) {
            lexer.nextToken();
            PGSelectQueryBlock.WindowClause window = new PGSelectQueryBlock.WindowClause();
            window.setName(this.expr());
            accept(Token.AS);

            for (;;) {
                SQLExpr expr = this.createExprParser().expr();
                window.getDefinition().add(expr);
                if (lexer.token() == Token.COMMA) {
                    lexer.nextToken();
                    continue;
                } else {
                    break;
                }
            }
            queryBlock.setWindow(window);
        }

        queryBlock.setOrderBy(this.createExprParser().parseOrderBy());

        if (lexer.token() == Token.LIMIT) {
            lexer.nextToken();
            if (lexer.token() == Token.ALL) {
                queryBlock.setLimit(new SQLIdentifierExpr("ALL"));
                lexer.nextToken();
            } else {
                SQLExpr limit = expr();
                queryBlock.setLimit(limit);
            }
        }

        if (lexer.token() == Token.OFFSET) {
            lexer.nextToken();
            SQLExpr offset = expr();
            queryBlock.setOffset(offset);

            if (lexer.token() == Token.ROW || lexer.token() == Token.ROWS) {
                lexer.nextToken();
            } else {
              //TODO
                //throw new ParserException("expect 'ROW' or 'ROWS'");
            }
        }

        if (lexer.token() == Token.FETCH) {
            lexer.nextToken();
            PGSelectQueryBlock.FetchClause fetch = new PGSelectQueryBlock.FetchClause();

            if (lexer.token() == Token.FIRST) {
                fetch.setOption(PGSelectQueryBlock.FetchClause.Option.FIRST);
            } else if (lexer.token() == Token.NEXT) {
                fetch.setOption(PGSelectQueryBlock.FetchClause.Option.NEXT);
            } else {
                throw new ParserException("expect 'FIRST' or 'NEXT'");
            }

            SQLExpr count = expr();
            fetch.setCount(count);

            if (lexer.token() == Token.ROW || lexer.token() == Token.ROWS) {
                lexer.nextToken();
            } else {
                throw new ParserException("expect 'ROW' or 'ROWS'");
            }

            if (lexer.token() == Token.ONLY) {
                lexer.nextToken();
            } else {
                throw new ParserException("expect 'ONLY'");
            }

            queryBlock.setFetch(fetch);
        }

        if (lexer.token() == Token.FOR) {
            lexer.nextToken();

            PGSelectQueryBlock.ForClause forClause = new PGSelectQueryBlock.ForClause();

            if (lexer.token() == Token.UPDATE) {
                forClause.setOption(PGSelectQueryBlock.ForClause.Option.UPDATE);
            } else if (lexer.token() == Token.SHARE) {
                forClause.setOption(PGSelectQueryBlock.ForClause.Option.SHARE);
            } else {
                throw new ParserException("expect 'FIRST' or 'NEXT'");
            }

            accept(Token.OF);

            for (;;) {
                SQLExpr expr = this.createExprParser().expr();
                forClause.getOf().add(expr);
                if (lexer.token() == Token.COMMA) {
                    lexer.nextToken();
                    continue;
                } else {
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      if (lexer.token() == Token.LIMIT) {
            lexer.nextToken();

            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();

            SQLExpr temp = this.exprParser.expr();
            if (lexer.token() == (Token.COMMA)) {
                limit.setOffset(temp);
                lexer.nextToken();
                limit.setRowCount(exprParser.expr());
            } else if (identifierEquals("OFFSET")) {
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            }
        }

        if (lexer.token() == (Token.WHERE)) {
            lexer.nextToken();
            SQLExpr where = this.exprParser.expr();
            deleteStatement.setWhere(where);
        }

        if (lexer.token() == (Token.ORDER)) {
            SQLOrderBy orderBy = exprParser.parseOrderBy();
            deleteStatement.setOrderBy(orderBy);
        }

        if (lexer.token() == Token.LIMIT) {
            lexer.nextToken();

            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();
            SQLExpr rowCount = exprParser.expr();
            limit.setRowCount(rowCount);

            deleteStatement.setLimit(limit);
        }
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            lexer.nextToken();
        } else {
            throw new ParserException("not support kill type " + lexer.token());
        }

        SQLExpr threadId = this.exprParser.expr();
        stmt.setThreadId(threadId);

        return stmt;
    }
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    public SQLStatement parseBinlog() {
        acceptIdentifier("binlog");

        MySqlBinlogStatement stmt = new MySqlBinlogStatement();

        SQLExpr expr = this.exprParser.expr();
        stmt.setExpr(expr);

        return stmt;
    }
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    private MySqlShowStatusStatement parseShowStatus() throws ParserException {
        MySqlShowStatusStatement stmt = new MySqlShowStatusStatement();

        if (lexer.token() == Token.LIKE) {
            lexer.nextToken();
            SQLExpr like = exprParser.expr();
            stmt.setLike(like);
        }

        if (lexer.token() == Token.WHERE) {
            lexer.nextToken();
            SQLExpr where = exprParser.expr();
            stmt.setWhere(where);
        }

        return stmt;
    }
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        if (lexer.token() == Token.LIMIT) {
            lexer.nextToken();

            MySqlSelectQueryBlock.Limit limit = new MySqlSelectQueryBlock.Limit();

            SQLExpr temp = this.exprParser.expr();
            if (lexer.token() == (Token.COMMA)) {
                limit.setOffset(temp);
                lexer.nextToken();
                limit.setRowCount(exprParser.expr());
            } else if (identifierEquals("OFFSET")) {
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    private MySqlShowDatabasesStatement parseShowDatabases() throws ParserException {
        MySqlShowDatabasesStatement stmt = new MySqlShowDatabasesStatement();

        if (lexer.token() == Token.LIKE) {
            lexer.nextToken();
            SQLExpr like = exprParser.expr();
            stmt.setLike(like);
        }

        if (lexer.token() == Token.WHERE) {
            lexer.nextToken();
            SQLExpr where = exprParser.expr();
            stmt.setWhere(where);
        }

        return stmt;
    }
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Related Classes of com.alibaba.druid.sql.ast.SQLExpr

  • com.alibaba.druid.bvt.sql.mysql.MySqlSelectTest_16
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  • com.alibaba.druid.mapping.spi.ExportParameterVisitorUtils
  • com.alibaba.druid.mapping.spi.MappingVisitorUtils
  • com.alibaba.druid.mock.handler.MySqlMockExecuteHandlerImpl
  • com.alibaba.druid.sql.dialect.db2.parser.DB2SelectParser
  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlExprParser
  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlSelectParser
  • com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser
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