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Commitea36c2f

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Fix incorrect IndexOptInfo header comment
The comment incorrectly indicated that indexcollations[] storedcollations for both key columns and INCLUDE columns, but in reality itonly has elements for the key columns. canreturn[] didn't get a mention,so add that while we're here.Author: Junwang Zhao <zhjwpku@gmail.com>Reviewed-by: David Rowley <dgrowleyml@gmail.com>Discussion:https://postgr.es/m/CAEG8a3LwbZgMKOQ9CmZarX5DEipKivdHp5PZMOO-riL0w%3DL%3D4A%40mail.gmail.comBackpatch-through: 14
1 parent035a1f5 commitea36c2f

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‎src/include/nodes/pathnodes.h‎

Lines changed: 4 additions & 3 deletions
Original file line numberDiff line numberDiff line change
@@ -796,9 +796,10 @@ typedef struct RelOptInfo
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* IndexOptInfo
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*Per-index information for planning/optimization
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*
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*indexkeys[], indexcollations[] each have ncolumns entries.
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*opfamily[], and opcintype[]each have nkeycolumns entries. They do
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*not contain any information about included attributes.
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*indexkeys[] and canreturn[] each have ncolumns entries.
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*
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*indexcollations[], opfamily[], and opcintype[] each have nkeycolumns
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*entries. These don't contain any information about INCLUDE columns.
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*
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*sortopfamily[], reverse_sort[], and nulls_first[] have
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*nkeycolumns entries, if the index is ordered; but if it is unordered,

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