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Commit1766118

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doc: Mention that partitions_{done,total} is 0 for REINDEX progress reports
REINDEX has recently gained support for partitions, so it can beconfusing to see those fields not being set. Making useful reports forfor such relations is more complicated than it looks with the currentset of columns available in pg_stat_progress_create_index, and thistouches equally REINDEX DATABASE/SYSTEM/SCHEMA. This commit documentsthat those two columns are not touched during a REINDEX.Reported-by: Justin PryzbyDiscussion:https://postgr.es/m/20210216064214.GI28165@telsasoft.com
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‎doc/src/sgml/monitoring.sgml

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@@ -5716,6 +5716,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
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<para>
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When creating an index on a partitioned table, this column is set to
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the total number of partitions on which the index is to be created.
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This field is <literal>0</literal> during a <literal>REINDEX</literal>.
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</para></entry>
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</row>
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@@ -5726,6 +5727,7 @@ SELECT pg_stat_get_backend_pid(s.backendid) AS pid,
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<para>
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When creating an index on a partitioned table, this column is set to
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the number of partitions on which the index has been completed.
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This field is <literal>0</literal> during a <literal>REINDEX</literal>.
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</para></entry>
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</row>
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</tbody>

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