diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/statistics/dependencies.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/backend/statistics/dependencies.c b/src/backend/statistics/dependencies.c index 2e7c0ad6ba6..9756fb83c0c 100644 --- a/src/backend/statistics/dependencies.c +++ b/src/backend/statistics/dependencies.c @@ -792,6 +792,14 @@ dependency_is_compatible_clause(Node *clause, Index relid, AttrNumber *attnum) var = (varonleft) ? linitial(expr->args) : lsecond(expr->args); + /* + * We may ignore any RelabelType node above the operand. (There won't + * be more than one, since eval_const_expressions() has been applied + * already.) + */ + if (IsA(var, RelabelType)) + var = (Var *) ((RelabelType *) var)->arg; + /* We only support plain Vars for now */ if (!IsA(var, Var)) return false; |