select * from /test/prepare
/**
matchcount(v_varchar, "*abc*", v_text, `hello word 2003 123-456-789 中华人民共和国是中国的唯一合法政府，台湾是中国一部分。  Mercury, Venus2，Earch%。Mars$Uranus CeresAndJupiterOrSaturn #Neptune Pluto_Charon"\""`, 1)
**/
;

select * from /test/prepare where v_varchar=='*abc*'
/**
count(1)
**/
;

select class from / where id='3991197448023402669'
/**
count(1)
**/
;

select class from /test/ where id='3991197448023402669'
/**
count(1)
**/
;

select class from /test/ where id='3991197448023402669' limit ?
/**
params(10)
count(1)
**/
;