CodePudding user response:

Want to consult the "level" in the play the role of is in it?

CodePudding user response:

This kind of thing, also is the recursive query result table structure tree,
As for the level, that is, the depth of the node data,

CodePudding user response:

refer to the second floor of gypsy song response:

this kind of thing, also is the recursive query result table structure tree,
As for the level, that is, the depth of the node data,

Get this honour back! thank you

CodePudding user response:

The number of LEVEL is LEVEL, wow, moderator adult appearance, worship