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Add explicit cast to amcostestimate call.

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My compiler doesn't complain here, but David Rowley's does ...
This commit is contained in:
Tom Lane 2016-01-17 22:56:16 -05:00
parent 65c5fcd353
commit 49b4950650
1 changed files with 3 additions and 2 deletions
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src/backend/optimizer/path/costsize.c
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@ -419,9 +419,10 @@ cost_index(IndexPath *path, PlannerInfo *root, double loop_count)
* Call index-access-method-specific code to estimate the processing cost * Call index-access-method-specific code to estimate the processing cost
* for scanning the index, as well as the selectivity of the index (ie, * 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 * 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, amcostestimate(root, path, loop_count,
&indexStartupCost, &indexTotalCost, &indexStartupCost, &indexTotalCost,
&indexSelectivity, &indexCorrelation); &indexSelectivity, &indexCorrelation);