diff options
| -rw-r--r-- | contrib/dbmirror/README.dbmirror | 3 | ||||
| -rw-r--r-- | contrib/dbmirror/pending.c | 7 |
2 files changed, 9 insertions, 1 deletions
diff --git a/contrib/dbmirror/README.dbmirror b/contrib/dbmirror/README.dbmirror index 8788ffd4e5f..b89ea49a94f 100644 --- a/contrib/dbmirror/README.dbmirror +++ b/contrib/dbmirror/README.dbmirror @@ -120,6 +120,9 @@ Execute the SQL code in AddTrigger.sql once for each table that should be mirrored. Replace MyTableName with the name of the table that should be mirrored. +NOTE: DBMirror requires that every table being mirrored have a primary key +defined. + 5) Create the slave database. The DBMirror system keeps the contents of mirrored tables identical on the diff --git a/contrib/dbmirror/pending.c b/contrib/dbmirror/pending.c index d62da430d19..911cd7ab47f 100644 --- a/contrib/dbmirror/pending.c +++ b/contrib/dbmirror/pending.c @@ -1,6 +1,6 @@ /**************************************************************************** * pending.c - * $Id: pending.c,v 1.4 2002/09/05 00:43:06 tgl Exp $ + * $Id: pending.c,v 1.5 2002/09/26 05:24:30 momjian Exp $ * * This file contains a trigger for Postgresql-7.x to record changes to tables * to a pending table for mirroring. @@ -225,6 +225,11 @@ storeKeyInfo(char *cpTableName, HeapTuple tTupleData, /* pplan = SPI_saveplan(pplan); */ cpKeyData = packageData(tTupleData, tTupleDesc, tpTrigData, PRIMARY); + if (cpKeyData == NULL) + { + elog(ERROR,"Could not determine primary key data"); + return -1; + } #if defined DEBUG_OUTPUT elog(NOTICE, cpKeyData); #endif |