The public members of the TLzCustomExpression class are listed here.
Field |
Description |
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. | |
Type of this expression. | |
Left hand side of the expression. | |
Source token of group compare type. |
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. |
Property |
Description |
Source tokens represent field in this expression after execute GetInvolvedDbObjects. | |
Source tokens represent table in this expression after execute GetInvolvedDbObjects. |
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