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Commita51d560

Browse files
committed
Don't dump CHECK constraints with same source and names both
starting with '$'.
1 parent1d9819d commita51d560

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2 files changed

+30
-61
lines changed

2 files changed

+30
-61
lines changed

‎src/bin/pg_dump/pg_backup_archiver.h‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,7 @@
1717
*
1818
*
1919
* IDENTIFICATION
20-
*$Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.h,v 1.29 2001/04/03 08:52:59 pjw Exp $
20+
*$Header: /cvsroot/pgsql/src/bin/pg_dump/pg_backup_archiver.h,v 1.30 2001/04/04 06:47:30 pjw Exp $
2121
*
2222
* Modifications - 28-Jun-2000 - pjw@rhyme.com.au
2323
*-Initial version.
@@ -68,7 +68,7 @@ typedef z_stream *z_streamp;
6868

6969
#defineK_VERS_MAJOR 1
7070
#defineK_VERS_MINOR 5
71-
#defineK_VERS_REV1
71+
#defineK_VERS_REV2
7272

7373
/* Data block types */
7474
#defineBLK_DATA 1

‎src/bin/pg_dump/pg_dump.c‎

Lines changed: 28 additions & 59 deletions
Original file line numberDiff line numberDiff line change
@@ -22,7 +22,7 @@
2222
*
2323
*
2424
* IDENTIFICATION
25-
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.199 2001/04/03 08:52:59 pjw Exp $
25+
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.200 2001/04/04 06:47:30 pjw Exp $
2626
*
2727
* Modifications - 6/10/96 - dave@bensoft.com - version 1.13.dhb
2828
*
@@ -122,6 +122,11 @@
122122
*OID of the type functions, but type must be created after
123123
*the functions.
124124
*
125+
* Modifications - 4-Apr-2001 - pjw@rhyme.com.au
126+
*
127+
* - Don't dump CHECK constraints with same source and names both
128+
*starting with '$'.
129+
*
125130
*-------------------------------------------------------------------------
126131
*/
127132

@@ -2068,59 +2073,15 @@ getTables(int *numTables, FuncInfo *finfo, int numFuncs)
20682073
else
20692074
tblinfo[i].viewdef=NULL;
20702075

2071-
/*
2076+
/*
2077+
* Get non-inherited CHECK constraints, if any.
2078+
*
20722079
* Exclude inherited CHECKs from CHECK constraints total. If a
20732080
* constraint matches by name and condition with a constraint
2074-
* belonging to a parent class, we assume it was inherited.
2081+
* belonging to a parent class (OR conditions match and both
2082+
* names start with '$', we assume it was inherited.
20752083
*/
20762084
if (tblinfo[i].ncheck>0)
2077-
{
2078-
PGresult*res2;
2079-
intntups2;
2080-
2081-
if (g_verbose)
2082-
fprintf(stderr,"%s excluding inherited CHECK constraints "
2083-
"for relation: '%s' %s\n",
2084-
g_comment_start,
2085-
tblinfo[i].relname,
2086-
g_comment_end);
2087-
2088-
/*
2089-
* XXXX: Use LOJ maybe - need to compare with subsequent query
2090-
* for non-inherited
2091-
*/
2092-
resetPQExpBuffer(query);
2093-
appendPQExpBuffer(query,"SELECT rcname from pg_relcheck, pg_inherits as i "
2094-
"where rcrelid = '%s'::oid "
2095-
" and rcrelid = i.inhrelid"
2096-
" and exists "
2097-
" (select * from pg_relcheck as c "
2098-
" where c.rcname = pg_relcheck.rcname "
2099-
" and c.rcsrc = pg_relcheck.rcsrc "
2100-
" and c.rcrelid = i.inhparent) ",
2101-
tblinfo[i].oid);
2102-
res2=PQexec(g_conn,query->data);
2103-
if (!res2||
2104-
PQresultStatus(res2)!=PGRES_TUPLES_OK)
2105-
{
2106-
fprintf(stderr,"getTables(): SELECT (for inherited CHECK) failed. "
2107-
"Explanation from backend: '%s'.\n",PQerrorMessage(g_conn));
2108-
exit_nicely(g_conn);
2109-
}
2110-
ntups2=PQntuples(res2);
2111-
tblinfo[i].ncheck-=ntups2;
2112-
if (tblinfo[i].ncheck<0)
2113-
{
2114-
fprintf(stderr,"getTables(): found more inherited CHECKs than total for "
2115-
"relation %s\n",
2116-
tblinfo[i].relname);
2117-
exit_nicely(g_conn);
2118-
}
2119-
PQclear(res2);
2120-
}
2121-
2122-
/* Get non-inherited CHECK constraints, if any */
2123-
if (tblinfo[i].ncheck>0)
21242085
{
21252086
PGresult*res2;
21262087
inti_rcname,
@@ -2136,13 +2097,16 @@ getTables(int *numTables, FuncInfo *finfo, int numFuncs)
21362097

21372098
resetPQExpBuffer(query);
21382099
appendPQExpBuffer(query,"SELECT rcname, rcsrc from pg_relcheck "
2139-
"where rcrelid = '%s'::oid "
2100+
"where rcrelid = '%s'::oid "
21402101
" and not exists "
2141-
" (select * from pg_relcheck as c, pg_inherits as i "
2142-
" where i.inhrelid = pg_relcheck.rcrelid "
2143-
" and c.rcname = pg_relcheck.rcname "
2144-
" and c.rcsrc = pg_relcheck.rcsrc "
2145-
" and c.rcrelid = i.inhparent) "
2102+
" (select * from pg_relcheck as c, pg_inherits as i "
2103+
" where i.inhrelid = pg_relcheck.rcrelid "
2104+
" and (c.rcname = pg_relcheck.rcname "
2105+
" or ( c.rcname[0] = '$' "
2106+
" and pg_relcheck.rcname[0] = '$')"
2107+
" )"
2108+
" and c.rcsrc = pg_relcheck.rcsrc "
2109+
" and c.rcrelid = i.inhparent) "
21462110
" Order By oid ",
21472111
tblinfo[i].oid);
21482112
res2=PQexec(g_conn,query->data);
@@ -2154,12 +2118,17 @@ getTables(int *numTables, FuncInfo *finfo, int numFuncs)
21542118
exit_nicely(g_conn);
21552119
}
21562120
ntups2=PQntuples(res2);
2157-
if (ntups2!=tblinfo[i].ncheck)
2121+
if (ntups2>tblinfo[i].ncheck)
21582122
{
2159-
fprintf(stderr,"getTables(): relation '%s': %d CHECKs were expected, but got %d\n",
2123+
fprintf(stderr,"getTables(): relation '%s': a maximum of %d CHECKs "
2124+
"were expected, but got %d\n",
21602125
tblinfo[i].relname,tblinfo[i].ncheck,ntups2);
21612126
exit_nicely(g_conn);
21622127
}
2128+
2129+
/* Set ncheck to the number of *non-inherited* CHECK constraints */
2130+
tblinfo[i].ncheck=ntups2;
2131+
21632132
i_rcname=PQfnumber(res2,"rcname");
21642133
i_rcsrc=PQfnumber(res2,"rcsrc");
21652134
tblinfo[i].check_expr= (char**)malloc(ntups2*sizeof(char*));
@@ -3897,7 +3866,7 @@ dumpTables(Archive *fout, TableInfo *tblinfo, int numTables,
38973866

38983867
if (numParents>0)
38993868
{
3900-
appendPQExpBuffer(q,"\ninherits (");
3869+
appendPQExpBuffer(q,"\nINHERITS (");
39013870
for (k=0;k<numParents;k++)
39023871
{
39033872
appendPQExpBuffer(q,"%s%s",

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