Create Query Expression VI

Owning Palette: Advanced Storage VIs

Requires: Base Development System (Windows)

Creates a query expression to use with the Execute Query Expression VI to search for objects that meet the condition you specify. Wire data to the value input to determine the polymorphic instance to use or manually select the instance.

Use the pull-down menu to select an instance of this VI.

 Add to the block diagram  Find on the palette

Create Query Expression (String)

property name specifies the name of the property. Use the Get Property Info VI to obtain the property name.
comparison operator (=) specifies the comparison condition.

0=
1!=
2>
3<
4>=
5<=
value specifies the value you want to compare.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
query expression returns a query expression based on what you wired to the inputs.
error out contains error information. This output provides standard error out functionality.

Create Query Expression (I32)

property name specifies the name of the property. Use the Get Property Info VI to obtain the property name.
comparison operator (=) specifies the comparison condition.

0=
1!=
2>
3<
4>=
5<=
value specifies the value you want to compare.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
query expression returns a query expression based on what you wired to the inputs.
error out contains error information. This output provides standard error out functionality.

Create Query Expression (DBL)

property name specifies the name of the property. Use the Get Property Info VI to obtain the property name.
comparison operator (=) specifies the comparison condition.

0=
1!=
2>
3<
4>=
5<=
value specifies the value you want to compare.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
query expression returns a query expression based on what you wired to the inputs.
error out contains error information. This output provides standard error out functionality.

Create Query Expression (Time Stamp)

property name specifies the name of the property. Use the Get Property Info VI to obtain the property name.
comparison operator (=) specifies the comparison condition.

0=
1!=
2>
3<
4>=
5<=
value specifies the value you want to compare.
error in describes error conditions that occur before this node runs. This input provides standard error in functionality.
query expression returns a query expression based on what you wired to the inputs.
error out contains error information. This output provides standard error out functionality.