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Commitbe3a24d

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Force the TZ environment variable to be set during initdb. This is to
short-circuit the rather expensive identify_system_timezone() procedure,which we have no real need for during initdb since nothing done here dependson the timezone setting. Since we launch quite a few standalone backendsduring the initdb sequence, this adds up to a significant savings, and seemsworth doing to save developer time even though it will hardly matter to endusers. Per my report today on pgsql-hackers.
1 parentf5fd651 commitbe3a24d

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‎src/bin/initdb/initdb.c‎

Lines changed: 9 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -42,7 +42,7 @@
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* Portions Copyright (c) 1994, Regents of the University of California
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* Portions taken from FreeBSD.
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*
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* $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.178 2009/12/11 03:34:56 itagaki Exp $
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* $PostgreSQL: pgsql/src/bin/initdb/initdb.c,v 1.179 2009/12/18 18:45:50 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
@@ -2712,6 +2712,14 @@ main(int argc, char *argv[])
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sprintf(pgdenv,"PGDATA=%s",pg_data);
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putenv(pgdenv);
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/*
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* Also ensure that TZ is set, so that we don't waste time identifying the
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* system timezone each of the many times we start a standalone backend.
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* It's okay to use a hard-wired value here because nothing done during
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* initdb cares about the timezone setting.
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*/
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putenv("TZ=GMT");
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if ((ret=find_other_exec(argv[0],"postgres",PG_BACKEND_VERSIONSTR,
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backend_exec))<0)
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{

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