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Commit39b0c76

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Record the proper typmod for an index expression column.
We should use exprTypmod() to extract the typmod of the expression,instead of just blindly storing -1. This seems to have been an aboriginaloversight in commitfc8d970 whichintroduced general-expression indexes. The consequences are only cosmeticat present, since the index machinery doesn't really look at typmod forindex columns; but still it seems best to describe the column type asprecisely as we can. Per off-list complaint from Thomas Fanghaenel.
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‎src/backend/catalog/index.c

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -389,7 +389,7 @@ ConstructTupleDescriptor(Relation heapRelation,
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to->attalign=typeTup->typalign;
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to->attstattarget=-1;
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to->attcacheoff=-1;
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to->atttypmod=-1;
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to->atttypmod=exprTypmod(indexkey);
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to->attislocal= true;
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to->attcollation=collationObjectId[i];
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