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Commitd34a74d

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Backpatch introduction of TupleDescAttr(tupdesc, i).
2cd7084 /c629324 change the way individual attributes in aTupleDesc are stored / accessed. To reduce the effort of makingextensions compatible with postgresql 11, and to ease futurebackpatching, backpatch introduction of TupleDescAttr() to allreleases. Do not backpatch change in storage, as that'd be a breakingchange for existing and working extensions.Author: Andres FreundDiscussion:https://postgr.es/m/20170820181723.tdswdinzptbcwhrr@alap3.anarazel.deBackpatch: 9.2-
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‎src/include/access/tupdesc.h

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@@ -81,6 +81,9 @@ typedef struct tupleDesc
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}*TupleDesc;
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/* Accessor for the i'th attribute of tupdesc. */
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#defineTupleDescAttr(tupdesc,i) ((tupdesc)->attrs[(i)])
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externTupleDescCreateTemplateTupleDesc(intnatts,boolhasoid);
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externTupleDescCreateTupleDesc(intnatts,boolhasoid,

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