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Fix pg_upgrade to remove malloc(0) call.

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This commit is contained in:
Bruce Momjian 2010-06-16 19:43:11 +00:00
parent f25e5e5d47
commit 1aa117506d
1 changed files with 6 additions and 4 deletions
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10
contrib/pg_upgrade/tablespace.c
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@ -38,7 +38,6 @@ get_tablespace_paths(migratorContext *ctx)
{
PGconn *conn = connectToServer(ctx, "template1", CLUSTER_OLD);
PGresult *res;
int ntups;
int tblnum;
int i_spclocation;
@ -48,12 +47,15 @@ get_tablespace_paths(migratorContext *ctx)
"WHERE spcname != 'pg_default' AND "
" spcname != 'pg_global'");
ctx->num_tablespaces = ntups = PQntuples(res);
ctx->tablespaces = (char **) pg_malloc(ctx, ntups * sizeof(char *));
if ((ctx->num_tablespaces = PQntuples(res)) != 0)
ctx->tablespaces = (char **) pg_malloc(ctx,
ctx->num_tablespaces * sizeof(char *));
else
ctx->tablespaces = NULL;
i_spclocation = PQfnumber(res, "spclocation");
for (tblnum = 0; tblnum < ntups; tblnum++)
for (tblnum = 0; tblnum < ctx->num_tablespaces; tblnum++)
ctx->tablespaces[tblnum] = pg_strdup(ctx,
PQgetvalue(res, tblnum, i_spclocation));