diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/backend/optimizer/path/costsize.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/backend/optimizer/path/costsize.c b/src/backend/optimizer/path/costsize.c index 8fb483aaebd..eaeb17fcd41 100644 --- a/src/backend/optimizer/path/costsize.c +++ b/src/backend/optimizer/path/costsize.c @@ -419,9 +419,10 @@ cost_index(IndexPath *path, PlannerInfo *root, double loop_count) * Call index-access-method-specific code to estimate the processing cost * for scanning the index, as well as the selectivity of the index (ie, * the fraction of main-table tuples we will have to retrieve) and its - * correlation to the main-table tuple order. + * correlation to the main-table tuple order. We need a cast here because + * relation.h uses a weak function type to avoid including amapi.h. */ - amcostestimate = index->amcostestimate; /* cast to proper type */ + amcostestimate = (amcostestimate_function) index->amcostestimate; amcostestimate(root, path, loop_count, &indexStartupCost, &indexTotalCost, &indexSelectivity, &indexCorrelation); |