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Diffstat (limited to 'src/backend/optimizer/path/allpaths.c')
| -rw-r--r-- | src/backend/optimizer/path/allpaths.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c index 4e565b3c000..a6efb4e1d39 100644 --- a/src/backend/optimizer/path/allpaths.c +++ b/src/backend/optimizer/path/allpaths.c @@ -950,6 +950,18 @@ set_append_rel_size(PlannerInfo *root, RelOptInfo *rel, attno - 1); int child_index; + /* + * Ignore any column dropped from the parent. + * Corresponding Var won't have any translation. It won't + * have attr_needed information, since it can not be + * referenced in the query. + */ + if (var == NULL) + { + Assert(attr_needed == NULL); + continue; + } + child_index = var->varattno - childrel->min_attr; childrel->attr_needed[child_index] = attr_needed; } |