ProvSQL C/C++ API
Adding support for provenance and uncertainty management to PostgreSQL databases
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reduce_varattno_context Struct Reference

Context for the reduce_varattno_walker tree walker. More...

Public Attributes

Index varno
 Range-table entry whose attribute numbers are being adjusted.
int * offset
 Per-attribute cumulative shift to apply.
Index sublevels_up
 Levels below the query owning varno.

Detailed Description

Context for the reduce_varattno_walker tree walker.

Definition at line 437 of file provsql.c.

Member Data Documentation

◆ offset

int* reduce_varattno_context::offset

Per-attribute cumulative shift to apply.

Definition at line 439 of file provsql.c.

◆ sublevels_up

Index reduce_varattno_context::sublevels_up

Levels below the query owning varno.

Definition at line 440 of file provsql.c.

◆ varno

Index reduce_varattno_context::varno

Range-table entry whose attribute numbers are being adjusted.

Definition at line 438 of file provsql.c.


The documentation for this struct was generated from the following file:
  • /home/senellar/git/software/provsql/src/provsql.c