Provenance output

Functions for visualizing and exporting provenance circuits in various formats. More...

Functions
TEXT	provsql.view_circuit (UUID token, REGCLASS token2desc, INT dbg=0)
	Return a DOT or TEXT visualization of the provenance circuit.
TEXT	provsql.to_provxml (UUID token, REGCLASS token2desc=NULL)
	Return an XML representation of the provenance circuit.
UUID	provsql.provenance ()
	Return the provenance token of the current query result tuple.
TEXT	provsql.where_provenance (UUID token)
	Compute where-provenance for a result tuple.

Detailed Description

Functions for visualizing and exporting provenance circuits in various formats.

Function Documentation

provenance()

UUID provsql.provenance

(

)

Return the provenance token of the current query result tuple.

Source code

provsql.sql line 1409

to_provxml()

TEXT provsql.to_provxml	(	UUID	token,
		REGCLASS	token2desc = NULL
	)

Return an XML representation of the provenance circuit.

Parameters

token	root provenance token
token2desc	optional mapping table for gate descriptions

Source code

provsql.sql line 1402

view_circuit()

TEXT provsql.view_circuit	(	UUID	token,
		REGCLASS	token2desc,
		INT	dbg = 0
	)

Return a DOT or TEXT visualization of the provenance circuit.

Parameters

token	root provenance token
token2desc	mapping table for gate descriptions
dbg	debug level (0 = normal)

Source code

provsql.sql line 1389

where_provenance()

TEXT provsql.where_provenance

(

UUID

token

)

Compute where-provenance for a result tuple.

Returns a TEXT representation showing which input columns contributed to each output column.

Source code

provsql.sql line 1418