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public

The public members of the TLzCustomExpression class are listed here.

Fields
Field 
Description 

Any, some and all group compare type if oper is type of Expr_Comparison.

Source token of this group compare type is sub_type
This property is used to determine whether parse new assigned AsText or not.

If this property is true, whenever you set a expression string to AsText property,
this string was parsed to check is it a valid expression.
if yes, create a new binary expression tree to replace old one. otherwise, old expression is not modified.

If this property is false, only AsText was modified,
original binary parse tree is not modified.

Default value is true. 

Left hand side of the expression. 
oper 
Type of this expression. 

Left hand side of the expression. 

Source token of group compare type. 
Methods
Method 
Description 

After execute this method, you can fetch table and field information from TableTokens and FieldTokens

Traverse expression binary tree in in-order with your own defined function. 

Replace original binary parse tree with new created one after parsing input expression in string pSql. 

Traverse expression binary tree in post-order with your own defined function. 

Traverse expression binary tree in pre-order with your own defined function. 
Properties
Property 
Description 

Source tokens represent field in this expression after execute GetInvolvedDbObjects

Source tokens represent table in this expression after execute GetInvolvedDbObjects
Gudu software http://www.sqlparser.com
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