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Commit74739d1

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Avoid harmless warning from pg_dump --if-exists mode.
If the public schema has a non-default owner (perhaps due todropping and recreating it) then use of pg_dump's "--if-exists"option results in a warning message:warning: could not find where to insert IF EXISTS in statement "-- *not* dropping schema, since initdb creates it"This is harmless since the dump output is the same either way,but nonetheless it's undesirable. It's the fault of commita7a7be1, which created situations where a TOC entry's "defn"or "dropStmt" fields could be just comments. Although thatcommit fixed up the kluges in pg_backup_archiver.c that munge defnstrings, it missed doing so for the one that munges dropStmts.Per bug# 17753 from Justin Zhang.Discussion:https://postgr.es/m/17753-9c8773631747ee1c@postgresql.org
1 parent9f1ca6c commit74739d1

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‎src/bin/pg_dump/pg_backup_archiver.c

Lines changed: 7 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -538,9 +538,14 @@ RestoreArchive(Archive *AHX)
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*/
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if (*te->dropStmt!='\0')
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{
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if (!ropt->if_exists)
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if (!ropt->if_exists||
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strncmp(te->dropStmt,"--",2)==0)
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{
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/* No --if-exists?Then just use the original */
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/*
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* Without --if-exists, or if it's just a comment (as
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* happens for the public schema), print the dropStmt
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* as-is.
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*/
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ahprintf(AH,"%s",te->dropStmt);
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}
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else

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