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pg_dump: Output functions deterministically sorted

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Implementation idea from Tom Lane

Author: Joel Jacobson
Reviewed by Joachim Wieland
This commit is contained in:
Alvaro Herrera
2012-10-17 18:31:42 -03:00
parent 5ad72cee7e
commit 7b583b20b1
3 changed files with 49 additions and 2 deletions
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47
src/bin/pg_dump/pg_dump.c
View File

@@ -3534,6 +3534,7 @@ getAggregates(Archive *fout, int *numAggs)
int i_proargtypes;
int i_rolname;
int i_aggacl;
int i_proiargs;
/* Make sure we are in proper schema */
selectSourceSchema(fout, "pg_catalog");
@@ -3543,11 +3544,12 @@ getAggregates(Archive *fout, int *numAggs)
* rationale behind the filtering logic.
*/
if (fout->remoteVersion >= 80200)
if (fout->remoteVersion >= 80400)
{
appendPQExpBuffer(query, "SELECT tableoid, oid, proname AS aggname, "
"pronamespace AS aggnamespace, "
"pronargs, proargtypes, "
"pg_catalog.pg_get_function_identity_arguments(oid) AS proiargs,"
"(%s proowner) AS rolname, "
"proacl AS aggacl "
"FROM pg_proc p "
@@ -3565,12 +3567,28 @@ getAggregates(Archive *fout, int *numAggs)
"deptype = 'e')");
appendPQExpBuffer(query, ")");
}
else if (fout->remoteVersion >= 80200)
{
appendPQExpBuffer(query, "SELECT tableoid, oid, proname AS aggname, "
"pronamespace AS aggnamespace, "
"pronargs, proargtypes, "
"NULL::text AS proiargs,"
"(%s proowner) AS rolname, "
"proacl AS aggacl "
"FROM pg_proc p "
"WHERE proisagg AND ("
"pronamespace != "
"(SELECT oid FROM pg_namespace "
"WHERE nspname = 'pg_catalog'))",
username_subquery);
}
else if (fout->remoteVersion >= 70300)
{
appendPQExpBuffer(query, "SELECT tableoid, oid, proname AS aggname, "
"pronamespace AS aggnamespace, "
"CASE WHEN proargtypes[0] = 'pg_catalog.\"any\"'::pg_catalog.regtype THEN 0 ELSE 1 END AS pronargs, "
"proargtypes, "
"NULL::text AS proiargs, "
"(%s proowner) AS rolname, "
"proacl AS aggacl "
"FROM pg_proc "
@@ -3585,6 +3603,7 @@ getAggregates(Archive *fout, int *numAggs)
"0::oid AS aggnamespace, "
"CASE WHEN aggbasetype = 0 THEN 0 ELSE 1 END AS pronargs, "
"aggbasetype AS proargtypes, "
"NULL::text AS proiargs, "
"(%s aggowner) AS rolname, "
"'{=X}' AS aggacl "
"FROM pg_aggregate "
@@ -3600,6 +3619,7 @@ getAggregates(Archive *fout, int *numAggs)
"0::oid AS aggnamespace, "
"CASE WHEN aggbasetype = 0 THEN 0 ELSE 1 END AS pronargs, "
"aggbasetype AS proargtypes, "
"NULL::text AS proiargs, "
"(%s aggowner) AS rolname, "
"'{=X}' AS aggacl "
"FROM pg_aggregate "
@@ -3623,6 +3643,7 @@ getAggregates(Archive *fout, int *numAggs)
i_proargtypes = PQfnumber(res, "proargtypes");
i_rolname = PQfnumber(res, "rolname");
i_aggacl = PQfnumber(res, "aggacl");
i_proiargs = PQfnumber(res, "proiargs");
for (i = 0; i < ntups; i++)
{
@@ -3642,6 +3663,7 @@ getAggregates(Archive *fout, int *numAggs)
agginfo[i].aggfn.lang = InvalidOid; /* not currently interesting */
agginfo[i].aggfn.prorettype = InvalidOid; /* not saved */
agginfo[i].aggfn.proacl = pg_strdup(PQgetvalue(res, i, i_aggacl));
agginfo[i].aggfn.proiargs = pg_strdup(PQgetvalue(res, i, i_proiargs));
agginfo[i].aggfn.nargs = atoi(PQgetvalue(res, i, i_pronargs));
if (agginfo[i].aggfn.nargs == 0)
agginfo[i].aggfn.argtypes = NULL;
@@ -3693,6 +3715,7 @@ getFuncs(Archive *fout, int *numFuncs)
int i_proargtypes;
int i_prorettype;
int i_proacl;
int i_proiargs;
/* Make sure we are in proper schema */
selectSourceSchema(fout, "pg_catalog");
@@ -3713,12 +3736,13 @@ getFuncs(Archive *fout, int *numFuncs)
* doesn't have; otherwise we might not get creation ordering correct.
*/
if (fout->remoteVersion >= 70300)
if (fout->remoteVersion >= 80400)
{
appendPQExpBuffer(query,
"SELECT tableoid, oid, proname, prolang, "
"pronargs, proargtypes, prorettype, proacl, "
"pronamespace, "
"pg_catalog.pg_get_function_identity_arguments(oid) AS proiargs,"
"(%s proowner) AS rolname "
"FROM pg_proc p "
"WHERE NOT proisagg AND ("
@@ -3740,6 +3764,21 @@ getFuncs(Archive *fout, int *numFuncs)
"deptype = 'e')");
appendPQExpBuffer(query, ")");
}
else if (fout->remoteVersion >= 70300)
{
appendPQExpBuffer(query,
"SELECT tableoid, oid, proname, prolang, "
"pronargs, proargtypes, prorettype, proacl, "
"pronamespace, "
"NULL::text AS proiargs,"
"(%s proowner) AS rolname "
"FROM pg_proc p "
"WHERE NOT proisagg AND ("
"pronamespace != "
"(SELECT oid FROM pg_namespace "
"WHERE nspname = 'pg_catalog'))",
username_subquery);
}
else if (fout->remoteVersion >= 70100)
{
appendPQExpBuffer(query,
@@ -3747,6 +3786,7 @@ getFuncs(Archive *fout, int *numFuncs)
"pronargs, proargtypes, prorettype, "
"'{=X}' AS proacl, "
"0::oid AS pronamespace, "
"NULL::text AS proiargs,"
"(%s proowner) AS rolname "
"FROM pg_proc "
"WHERE pg_proc.oid > '%u'::oid",
@@ -3763,6 +3803,7 @@ getFuncs(Archive *fout, int *numFuncs)
"pronargs, proargtypes, prorettype, "
"'{=X}' AS proacl, "
"0::oid AS pronamespace, "
"NULL::text AS proiargs,"
"(%s proowner) AS rolname "
"FROM pg_proc "
"where pg_proc.oid > '%u'::oid",
@@ -3788,6 +3829,7 @@ getFuncs(Archive *fout, int *numFuncs)
i_proargtypes = PQfnumber(res, "proargtypes");
i_prorettype = PQfnumber(res, "prorettype");
i_proacl = PQfnumber(res, "proacl");
i_proiargs = PQfnumber(res, "proiargs");
for (i = 0; i < ntups; i++)
{
@@ -3803,6 +3845,7 @@ getFuncs(Archive *fout, int *numFuncs)
finfo[i].rolname = pg_strdup(PQgetvalue(res, i, i_rolname));
finfo[i].lang = atooid(PQgetvalue(res, i, i_prolang));
finfo[i].prorettype = atooid(PQgetvalue(res, i, i_prorettype));
finfo[i].proiargs = pg_strdup(PQgetvalue(res, i, i_proiargs));
finfo[i].proacl = pg_strdup(PQgetvalue(res, i, i_proacl));
finfo[i].nargs = atoi(PQgetvalue(res, i, i_pronargs));
if (finfo[i].nargs == 0)

1
src/bin/pg_dump/pg_dump.h
View File

@@ -193,6 +193,7 @@ typedef struct _funcInfo
Oid *argtypes;
Oid prorettype;
char *proacl;
char *proiargs;
} FuncInfo;
/* AggInfo is a superset of FuncInfo */

3
src/bin/pg_dump/pg_dump_sort.c
View File

@@ -198,6 +198,9 @@ DOTypeNameCompare(const void *p1, const void *p2)
cmpval = fobj1->nargs - fobj2->nargs;
if (cmpval != 0)
return cmpval;
cmpval = strcmp(fobj1->proiargs, fobj2->proiargs);
if (cmpval != 0)
return cmpval;
}
else if (obj1->objType == DO_OPERATOR)
{