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| author | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2010-06-03 20:37:13 +0000 |
|---|---|---|
| committer | Alvaro Herrera <alvherre@alvh.no-ip.org> | 2010-06-03 20:37:13 +0000 |
| commit | 667440162cc20ac7d8f67cb8830d10eeeeeb8ff7 (patch) | |
| tree | d09fed91b4750a758a1ba645148363f8074f505f | |
| parent | 58028240bbfe6ccdfa1a8ffa55bb65290480aada (diff) | |
| download | postgresql-667440162cc20ac7d8f67cb8830d10eeeeeb8ff7.tar.gz postgresql-667440162cc20ac7d8f67cb8830d10eeeeeb8ff7.zip | |
Add comments about definitions that may affect PG_CONTROL_VERSION,
per recent unintended-initdb-forcing fiasco
| -rw-r--r-- | src/include/catalog/pg_control.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/include/catalog/pg_control.h b/src/include/catalog/pg_control.h index ad936242c62..f3fdb05d550 100644 --- a/src/include/catalog/pg_control.h +++ b/src/include/catalog/pg_control.h @@ -8,7 +8,7 @@ * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/catalog/pg_control.h,v 1.56 2010/06/03 14:50:30 tgl Exp $ + * $PostgreSQL: pgsql/src/include/catalog/pg_control.h,v 1.57 2010/06/03 20:37:13 alvherre Exp $ * *------------------------------------------------------------------------- */ @@ -26,6 +26,7 @@ /* * Body of CheckPoint XLOG records. This is declared here because we keep * a copy of the latest one in pg_control for possible disaster recovery. + * Changing this struct requires a PG_CONTROL_VERSION bump. */ typedef struct CheckPoint { @@ -60,7 +61,10 @@ typedef struct CheckPoint #define XLOG_PARAMETER_CHANGE 0x60 -/* System status indicator */ +/* + * System status indicator. Note this is stored in pg_control; if you change + * it, you must bump PG_CONTROL_VERSION + */ typedef enum DBState { DB_STARTUP = 0, |