Help Center/ GaussDB/ Developer Guide(Distributed_8.x)/ Schemas/ DBE_PLDEBUGGER Schema/ DBE_PLDEBUGGER.print_var

Updated on 2024-06-03 GMT+08:00

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DBE_PLDEBUGGER.print_var

During debugging on the debug end, print_var is called to print the name and value of the specified variable in the current stored procedure. You can also use this function to print variables when an error is reported. The input parameter frameno of this function indicates the stack layer to be traversed. This function can be called without frameno. By default, the top-layer stack variable is queried, as shown in Table 1.

**Table 1** print_var input parameters and return values
Name	Type	Description
var_name	IN text	Variable.
frameno	IN integer (optional)	Specified stack layer. The default value is the top layer.
varname	OUT text	Variable name.
vartype	OUT text	Variable type.
value	OUT text	Variable value.
isconst	OUT boolean	Determines whether the value is a constant.

Parent topic: DBE_PLDEBUGGER Schema

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