rm-datasource/src/main/java/org/apache/seata/rm/datasource/sql/handler/kingbase/KingbaseEscapeHandler.java [506:539]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    public boolean checkIfNeedEscape(String columnName, TableMeta tableMeta) {
        if (StringUtils.isBlank(columnName)) {
            return false;
        }
        columnName = columnName.trim();
        if (containsEscape(columnName)) {
            return false;
        }
        boolean isKeyWord = checkIfKeyWords(columnName);
        if (isKeyWord) {
            return true;
        }
        // kingbase
        // we are recommend table name and column name must uppercase.
        // if exists full uppercase, the table name or column name doesn't bundle escape symbol.
        //create\read    table TABLE "table" "TABLE"
        //
        //table        √     √       ×       √
        //
        //TABLE        √     √       ×       √
        //
        //"table"      ×     ×       √       ×
        //
        //"TABLE"      √     √       ×       √
        if (null != tableMeta) {
            ColumnMeta columnMeta = tableMeta.getColumnMeta(columnName);
            if (null != columnMeta) {
                return columnMeta.isCaseSensitive();
            }
        } else if (isUppercase(columnName)) {
            return false;
        }
        return true;
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



rm-datasource/src/main/java/org/apache/seata/rm/datasource/sql/handler/oracle/OracleEscapeHandler.java [507:540]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    public boolean checkIfNeedEscape(String columnName, TableMeta tableMeta) {
        if (StringUtils.isBlank(columnName)) {
            return false;
        }
        columnName = columnName.trim();
        if (containsEscape(columnName)) {
            return false;
        }
        boolean isKeyWord = checkIfKeyWords(columnName);
        if (isKeyWord) {
            return true;
        }
        // oracle
        // we are recommend table name and column name must uppercase.
        // if exists full uppercase, the table name or column name doesn't bundle escape symbol.
        //create\read    table TABLE "table" "TABLE"
        //
        //table        √     √       ×       √
        //
        //TABLE        √     √       ×       √
        //
        //"table"      ×     ×       √       ×
        //
        //"TABLE"      √     √       ×       √
        if (null != tableMeta) {
            ColumnMeta columnMeta = tableMeta.getColumnMeta(columnName);
            if (null != columnMeta) {
                return columnMeta.isCaseSensitive();
            }
        } else if (isUppercase(columnName)) {
            return false;
        }
        return true;
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -



rm-datasource/src/main/java/org/apache/seata/rm/datasource/sql/handler/oscar/OscarEscapeHandler.java [2622:2647]:
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
    public boolean checkIfNeedEscape(String columnName, TableMeta tableMeta) {
        if (StringUtils.isBlank(columnName)) {
            return false;
        }
        columnName = columnName.trim();
        if (containsEscape(columnName)) {
            return false;
        }
        boolean isKeyWord = checkIfKeyWords(columnName);
        if (isKeyWord) {
            return true;
        }
        // oscar
        // we are recommend table name and column name must uppercase.
        // if exists full uppercase, the table name or column name doesn't bundle escape symbol.
        //create\read    table TABLE "table" "TABLE"
        if (null != tableMeta) {
            ColumnMeta columnMeta = tableMeta.getColumnMeta(columnName);
            if (null != columnMeta) {
                return columnMeta.isCaseSensitive();
            }
        } else if (isUppercase(columnName)) {
            return false;
        }
        return true;
    }
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -