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

Var-remap context for the FROM-wrapping pre-step: a Var at target_level on relation varno / attribute varattno is retargeted to newidx column pos[varno][varattno]. More...

Public Attributes

int target_level
Index newidx
int rtlen
int ** pos
SubLink * skip

Detailed Description

Var-remap context for the FROM-wrapping pre-step: a Var at target_level on relation varno / attribute varattno is retargeted to newidx column pos[varno][varattno].

Descent into skip (the SubLink) is suppressed.

Definition at line 8108 of file provsql.c.

Member Data Documentation

◆ newidx

Index oj_wrap_ctx::newidx

Definition at line 8110 of file provsql.c.

◆ pos

int** oj_wrap_ctx::pos

Definition at line 8112 of file provsql.c.

◆ rtlen

int oj_wrap_ctx::rtlen

Definition at line 8111 of file provsql.c.

◆ skip

SubLink* oj_wrap_ctx::skip

Definition at line 8113 of file provsql.c.

◆ target_level

int oj_wrap_ctx::target_level

Definition at line 8109 of file provsql.c.


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