Examples of SQLExpr

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

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  public SQLStatement parseDropUser() {
    acceptIdentifier(USER);
    WaspSqlDropUser stmt = new WaspSqlDropUser();
    for (;;) {
      SQLExpr expr = this.exprParser.expr();
      stmt.getUsers().add(expr);
      if (lexer.token() == Token.COMMA) {
        lexer.nextToken();
        continue;
      }
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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  public String parseFromClause(SQLTableSource from)
      throws UnsupportedException {
    // only support SQLExprTableSource now
    if (from instanceof SQLExprTableSource) {
      SQLExprTableSource fromExpr = (SQLExprTableSource) from;
      SQLExpr expr = fromExpr.getExpr(); // SQLIdentifierExpr
      return parseName(expr);
    } else if (from instanceof SQLJoinTableSource) {
      // TODO impl join clause
      throw new UnsupportedException("Join clause Unsupported");
    } else if (from instanceof SQLSubqueryTableSource) {
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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        SQLIdentifierExpr left = (SQLIdentifierExpr) binaryOpExpr.getLeft();
        Condition value = new Condition(left.getName(),
            Condition.ConditionType.EQUAL, binaryOpExpr.getRight());
        conditions.put(value.getFieldName(), value);
      } else if (operator == SQLBinaryOperator.BooleanAnd) {// multi pair
        SQLExpr left = binaryOpExpr.getLeft();
        SQLExpr right = binaryOpExpr.getRight();
        parse(left, conditions, ranges);
        parse(right, conditions, ranges);
      } else if (operator == SQLBinaryOperator.GreaterThan
          || operator == SQLBinaryOperator.GreaterThanOrEqual
          || operator == SQLBinaryOperator.LessThan
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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  private Pair<byte[], byte[]> buildStartEndKeyWithRange(byte[] prefixKey,
      Condition rangeCondition, Index index) throws UnsupportedException {
    Pair<byte[], byte[]> pair = new Pair<byte[], byte[]>();
    boolean isDesc = index.isDesc(rangeCondition.getFieldName());
    SQLExpr left = rangeCondition.getLeft();
    SQLExpr right = rangeCondition.getRight();
    byte[] prefixKeyWithRowSep = prefixKey.length == 0 ? prefixKey : Bytes.add(
        prefixKey, FConstants.DATA_ROW_SEP_STORE);
    try {
      if (left != null) {
        pair.setFirst(Bytes.add(prefixKeyWithRowSep,
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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          SQLSelect select = sqlSelectStatement.getSelect();
          SQLSelectQuery sqlSelectQuery = select.getQuery();
          if (sqlSelectQuery instanceof SQLSelectQueryBlock) {
            SQLSelectQueryBlock sqlSelectQueryBlock = (SQLSelectQueryBlock) sqlSelectQuery;
            // Parse The WHERE clause
            SQLExpr where = sqlSelectQueryBlock.getWhere();
            LOG.debug("SELECT SQL:where " + where);
            QueryInfo queryInfo = druidParser.parseWhereClause(table,
                metaEventOperation, where, false);
            Index index = metaEventOperation.checkAndGetIndex(table,
                queryInfo.getAllConditionFieldName());
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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    }

    public SQLExpr relationalRest(SQLExpr expr) throws ParserException {
        if (identifierEquals("REGEXP")) {
            lexer.nextToken();
            SQLExpr rightExp = equality();

            rightExp = relationalRest(rightExp);

            return new SQLBinaryOpExpr(expr, SQLBinaryOperator.RegExp, rightExp);
        }
       
        if (identifierEquals("RLIKE")) {
            lexer.nextToken();
            SQLExpr rightExp = equality();

            rightExp = relationalRest(rightExp);

            return new SQLBinaryOpExpr(expr, SQLBinaryOperator.RegExp, rightExp);
        }
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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    }

    public SQLExpr multiplicativeRest(SQLExpr expr) throws ParserException {
        if (lexer.token() == Token.IDENTIFIER && "MOD".equalsIgnoreCase(lexer.stringVal())) {
            lexer.nextToken();
            SQLExpr rightExp = primary();

            rightExp = relationalRest(rightExp);

            return new SQLBinaryOpExpr(expr, SQLBinaryOperator.Modulus, rightExp);
        }
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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    }

    public SQLExpr notRationalRest(SQLExpr expr) {
        if (identifierEquals("REGEXP")) {
            lexer.nextToken();
            SQLExpr rightExp = primary();

            rightExp = relationalRest(rightExp);

            return new SQLBinaryOpExpr(expr, SQLBinaryOperator.NotRegExp, rightExp);
        }
       
        if (identifierEquals("RLIKE")) {
            lexer.nextToken();
            SQLExpr rightExp = primary();

            rightExp = relationalRest(rightExp);

            return new SQLBinaryOpExpr(expr, SQLBinaryOperator.NotRLike, rightExp);
        }
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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    public SQLExpr primary() throws ParserException {
        final Token tok = lexer.token();
       
        if (identifierEquals("outfile")) {
            lexer.nextToken();
            SQLExpr file = primary();
            SQLExpr expr = new MySqlOutFileExpr(file);
           
            return primaryRest(expr);
           
        }
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Examples of com.alibaba.druid.sql.ast.SQLExpr

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                MySqlIntervalUnit unit = MySqlIntervalUnit.valueOf(unitVal);
                lexer.nextToken();

                accept(Token.FROM);

                SQLExpr value = expr();

                MySqlExtractExpr extract = new MySqlExtractExpr();
                extract.setValue(value);
                extract.setUnit(unit);
                accept(Token.RPAREN);

                expr = extract;

                return primaryRest(expr);
            } else if ("SUBSTRING".equalsIgnoreCase(ident)) {
                lexer.nextToken();
                SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);
                for (;;) {
                    SQLExpr param = expr();
                    methodInvokeExpr.getParameters().add(param);

                    if (lexer.token() == Token.COMMA) {
                        lexer.nextToken();
                        continue;
                    } else if (lexer.token() == Token.FROM) {
                        lexer.nextToken();
                        SQLExpr from = expr();
                        methodInvokeExpr.putAttribute("FROM", from);

                        if (lexer.token() == Token.FOR) {
                            lexer.nextToken();
                            SQLExpr _for = expr();
                            methodInvokeExpr.putAttribute("FOR", _for);
                        }
                        break;
                    } else if (lexer.token() == Token.RPAREN) {
                        break;
                    } else {
                        throw new ParserException("syntax error");
                    }
                }

                accept(Token.RPAREN);
                expr = methodInvokeExpr;

                return primaryRest(expr);
            } else if ("TRIM".equalsIgnoreCase(ident)) {
                lexer.nextToken();
                SQLMethodInvokeExpr methodInvokeExpr = new SQLMethodInvokeExpr(ident);

                if (lexer.token() == Token.IDENTIFIER) {
                    String flagVal = lexer.stringVal();
                    if ("LEADING".equalsIgnoreCase(flagVal)) {
                        lexer.nextToken();
                        methodInvokeExpr.getAttributes().put("TRIM_TYPE", "LEADING");
                    } else if ("BOTH".equalsIgnoreCase(flagVal)) {
                        lexer.nextToken();
                        methodInvokeExpr.getAttributes().put("TRIM_TYPE", "BOTH");
                    } else if ("TRAILING".equalsIgnoreCase(flagVal)) {
                        lexer.nextToken();
                        methodInvokeExpr.putAttribute("TRIM_TYPE", "TRAILING");
                    }
                }

                SQLExpr param = expr();
                methodInvokeExpr.getParameters().add(param);

                if (lexer.token() == Token.FROM) {
                    lexer.nextToken();
                    SQLExpr from = expr();
                    methodInvokeExpr.putAttribute("FROM", from);
                }

                accept(Token.RPAREN);
                expr = methodInvokeExpr;

                return primaryRest(expr);
            } else if ("MATCH".equalsIgnoreCase(ident)) {
                lexer.nextToken();
                MySqlMatchAgainstExpr matchAgainstExpr = new MySqlMatchAgainstExpr();

                if (lexer.token() == Token.RPAREN) {
                    lexer.nextToken();
                } else {
                    exprList(matchAgainstExpr.getColumns());
                    accept(Token.RPAREN);
                }

                acceptIdentifier("AGAINST");

                accept(Token.LPAREN);
                SQLExpr against = primary();
                matchAgainstExpr.setAgainst(against);

                if (lexer.token() == Token.IN) {
                    lexer.nextToken();
                    if (identifierEquals("NATURAL")) {
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