sqlparser/seata-sqlparser-druid/src/main/java/org/apache/seata/sqlparser/druid/kingbase/KingbaseSelectForUpdateRecognizer.java [51:137]:
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        super(originalSQL);
        this.ast = (SQLSelectStatement)ast;
    }

    @Override
    public SQLType getSQLType() {
        return SQLType.SELECT_FOR_UPDATE;
    }

    @Override
    public String getWhereCondition(final ParametersHolder parametersHolder,
                                    final ArrayList<List<Object>> paramAppenderList) {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLExpr where = selectQueryBlock.getWhere();
        return super.getWhereCondition(where, parametersHolder, paramAppenderList);
    }

    @Override
    public String getWhereCondition() {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLExpr where = selectQueryBlock.getWhere();
        return super.getWhereCondition(where);
    }

    @Override
    public String getLimitCondition() {
        //kingbase does not support limit or rownum yet
        return null;
    }

    @Override
    public String getLimitCondition(ParametersHolder parametersHolder, ArrayList<List<Object>> paramAppenderList) {
        //kingbase does not support limit or rownum yet
        return null;
    }

    @Override
    public String getOrderByCondition() {
        SQLOrderBy sqlOrderBy = getSelect().getOrderBy();
        return super.getOrderByCondition(sqlOrderBy);
    }

    @Override
    public String getOrderByCondition(ParametersHolder parametersHolder, ArrayList<List<Object>> paramAppenderList) {
        SQLOrderBy sqlOrderBy = getSelect().getOrderBy();
        return super.getOrderByCondition(sqlOrderBy, parametersHolder, paramAppenderList);
    }

    private SQLSelectQueryBlock getSelect() {
        SQLSelect select = ast.getSelect();
        if (select == null) {
            throw new SQLParsingException("should never happen!");
        }
        SQLSelectQueryBlock selectQueryBlock = select.getQueryBlock();
        if (selectQueryBlock == null) {
            throw new SQLParsingException("should never happen!");
        }
        return selectQueryBlock;
    }

    @Override
    public String getTableAlias() {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLTableSource tableSource = selectQueryBlock.getFrom();
        return tableSource.getAlias();
    }

    @Override
    public String getTableName() {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLTableSource tableSource = selectQueryBlock.getFrom();
        StringBuilder sb = new StringBuilder();
        OracleOutputVisitor visitor = new OracleOutputVisitor(sb) {

            @Override
            public boolean visit(SQLExprTableSource x) {
                printTableSourceExpr(x.getExpr());
                return false;
            }
        };
        visitor.visit((SQLExprTableSource)tableSource);
        return sb.toString();
    }

    @Override
    protected SQLStatement getAst() {
        return ast;
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sqlparser/seata-sqlparser-druid/src/main/java/org/apache/seata/sqlparser/druid/oscar/OscarSelectForUpdateRecognizer.java [51:137]:
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        super(originalSQL);
        this.ast = (SQLSelectStatement)ast;
    }

    @Override
    public SQLType getSQLType() {
        return SQLType.SELECT_FOR_UPDATE;
    }

    @Override
    public String getWhereCondition(final ParametersHolder parametersHolder,
        final ArrayList<List<Object>> paramAppenderList) {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLExpr where = selectQueryBlock.getWhere();
        return super.getWhereCondition(where, parametersHolder, paramAppenderList);
    }

    @Override
    public String getWhereCondition() {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLExpr where = selectQueryBlock.getWhere();
        return super.getWhereCondition(where);
    }

    @Override
    public String getLimitCondition() {
        //oscar does not support limit or rownum yet
        return null;
    }

    @Override
    public String getLimitCondition(ParametersHolder parametersHolder, ArrayList<List<Object>> paramAppenderList) {
        //oscar does not support limit or rownum yet
        return null;
    }

    @Override
    public String getOrderByCondition() {
        SQLOrderBy sqlOrderBy = getSelect().getOrderBy();
        return super.getOrderByCondition(sqlOrderBy);
    }

    @Override
    public String getOrderByCondition(ParametersHolder parametersHolder, ArrayList<List<Object>> paramAppenderList) {
        SQLOrderBy sqlOrderBy = getSelect().getOrderBy();
        return super.getOrderByCondition(sqlOrderBy, parametersHolder, paramAppenderList);
    }

    private SQLSelectQueryBlock getSelect() {
        SQLSelect select = ast.getSelect();
        if (select == null) {
            throw new SQLParsingException("should never happen!");
        }
        SQLSelectQueryBlock selectQueryBlock = select.getQueryBlock();
        if (selectQueryBlock == null) {
            throw new SQLParsingException("should never happen!");
        }
        return selectQueryBlock;
    }

    @Override
    public String getTableAlias() {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLTableSource tableSource = selectQueryBlock.getFrom();
        return tableSource.getAlias();
    }

    @Override
    public String getTableName() {
        SQLSelectQueryBlock selectQueryBlock = getSelect();
        SQLTableSource tableSource = selectQueryBlock.getFrom();
        StringBuilder sb = new StringBuilder();
        OracleOutputVisitor visitor = new OracleOutputVisitor(sb) {

            @Override
            public boolean visit(SQLExprTableSource x) {
                printTableSourceExpr(x.getExpr());
                return false;
            }
        };
        visitor.visit((SQLExprTableSource)tableSource);
        return sb.toString();
    }

    @Override
    protected SQLStatement getAst() {
        return ast;
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