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hlinnakahlinnaka
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Fix amcheck's handling of incomplete root splits in B-tree
When the root page is being split, it's normal that root page according to the metapage is not marked BTP_ROOT. Fix bogus error in amcheck about that case. Reviewed-by: Peter Geoghegan <pg@bowt.ie> Discussion: https://www.postgresql.org/message-id/abd65090-5336-42cc-b768-2bdd66738404@iki.fi Backpatch-through: 14
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‎contrib/amcheck/verify_nbtree.c‎

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Original file line numberDiff line numberDiff line change
@@ -785,7 +785,7 @@ bt_check_level_from_leftmost(BtreeCheckState *state, BtreeLevel level)
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errmsg("block %u is not leftmost in index \"%s\"",
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current, RelationGetRelationName(state->rel))));
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if (level.istruerootlevel && !P_ISROOT(opaque))
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if (level.istruerootlevel && (!P_ISROOT(opaque) && !P_INCOMPLETE_SPLIT(opaque)))
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ereport(ERROR,
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(errcode(ERRCODE_INDEX_CORRUPTED),
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errmsg("block %u is not true root in index \"%s\"",

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