text: -- SQL Expression Description START
  -- ${{FA, alias=test, name=A}} : 全字段(Field All)
  -- ${{FNI, cols=columnName1;columnName2, alias=test, name=A}} : 不包含的返回列(Field Not Include)
  -- ${{IF, a > 1 }} ${{IF, a < 1 }} ${{IF, a >= 1 }} ${{IF, a <= 1 }} ${{IF, a != 1 }}
  -- ${{IF, a IsNull }} ${{IF, a NotNull }}
  -- ${{IF, a > @"20200101" }} ${{IF, a > @"2020-12-12 12:12:12" }}
  -- ${{IF, a > 1 && b < 1 }} ${{IF, a > 1 || b < 1 }}
  -- ${{IF, a > 1 && ( b < 1 || c >=1 )}}
  -- ${{END}}
  -- #{columnName, JdbcType=INTEGER}
  -- SQL EXpression Description  END
  
  normal
  <![CDATA[
    select * from A
    ]]>
  
  newLine
  
  select
      a, b, c, d
  from
      A
   ]]>
  
  
  all
  <![CDATA[
  select
       ${{FA, alias=test}}
  from
      A
   ]]>
  
  allNormal
  <![CDATA[
  select
       ${{FA}}
  from
      A
   ]]>