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Support range data types.

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Selectivity estimation functions are missing for some range type operators,
which is a TODO.

Jeff Davis
This commit is contained in:
Heikki Linnakangas
2011-11-03 13:16:28 +02:00
parent 4334289186
commit 4429f6a9e3
58 changed files with 6718 additions and 103 deletions
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184
src/bin/pg_dump/pg_dump.c
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@@ -52,6 +52,7 @@
#include "catalog/pg_largeobject.h"
#include "catalog/pg_largeobject_metadata.h"
#include "catalog/pg_proc.h"
#include "catalog/pg_range.h"
#include "catalog/pg_trigger.h"
#include "catalog/pg_type.h"
#include "libpq/libpq-fs.h"
@@ -167,6 +168,7 @@ static void dumpExtension(Archive *fout, ExtensionInfo *extinfo);
static void dumpType(Archive *fout, TypeInfo *tyinfo);
static void dumpBaseType(Archive *fout, TypeInfo *tyinfo);
static void dumpEnumType(Archive *fout, TypeInfo *tyinfo);
static void dumpRangeType(Archive *fout, TypeInfo *tyinfo);
static void dumpDomain(Archive *fout, TypeInfo *tyinfo);
static void dumpCompositeType(Archive *fout, TypeInfo *tyinfo);
static void dumpCompositeTypeColComments(Archive *fout, TypeInfo *tyinfo);
@@ -2989,7 +2991,8 @@ getTypes(int *numTypes)
* should copy the base type's catId, but then it might capture the
* pg_depend entries for the type, which we don't want.
*/
if (tyinfo[i].dobj.dump && tyinfo[i].typtype == TYPTYPE_BASE)
if (tyinfo[i].dobj.dump && (tyinfo[i].typtype == TYPTYPE_BASE ||
tyinfo[i].typtype == TYPTYPE_RANGE))
{
stinfo = (ShellTypeInfo *) malloc(sizeof(ShellTypeInfo));
stinfo->dobj.objType = DO_SHELL_TYPE;
@@ -3700,7 +3703,32 @@ getFuncs(int *numFuncs)
* so be sure to fetch any such functions.
*/
if (g_fout->remoteVersion >= 70300)
if (g_fout->remoteVersion >= 90200)
{
appendPQExpBuffer(query,
"SELECT tableoid, oid, proname, prolang, "
"pronargs, proargtypes, prorettype, proacl, "
"pronamespace, "
"(%s proowner) AS rolname "
"FROM pg_proc p "
"WHERE NOT proisagg AND "
" NOT EXISTS (SELECT 1 FROM pg_depend "
" WHERE classid = 'pg_proc'::regclass AND "
" objid = p.oid AND deptype = 'i') AND "
"(pronamespace != "
"(SELECT oid FROM pg_namespace "
"WHERE nspname = 'pg_catalog')",
username_subquery);
if (binary_upgrade && g_fout->remoteVersion >= 90100)
appendPQExpBuffer(query,
" OR EXISTS(SELECT 1 FROM pg_depend WHERE "
"classid = 'pg_proc'::regclass AND "
"objid = p.oid AND "
"refclassid = 'pg_extension'::regclass AND "
"deptype = 'e')");
appendPQExpBuffer(query, ")");
}
else if (g_fout->remoteVersion >= 70300)
{
appendPQExpBuffer(query,
"SELECT tableoid, oid, proname, prolang, "
@@ -7309,6 +7337,8 @@ dumpType(Archive *fout, TypeInfo *tyinfo)
dumpCompositeType(fout, tyinfo);
else if (tyinfo->typtype == TYPTYPE_ENUM)
dumpEnumType(fout, tyinfo);
else if (tyinfo->typtype == TYPTYPE_RANGE)
dumpRangeType(fout, tyinfo);
}
/*
@@ -7432,6 +7462,156 @@ dumpEnumType(Archive *fout, TypeInfo *tyinfo)
destroyPQExpBuffer(query);
}
/*
* dumpRangeType
* writes out to fout the queries to recreate a user-defined range type
*/
static void
dumpRangeType(Archive *fout, TypeInfo *tyinfo)
{
PQExpBuffer q = createPQExpBuffer();
PQExpBuffer delq = createPQExpBuffer();
PQExpBuffer labelq = createPQExpBuffer();
PQExpBuffer query = createPQExpBuffer();
PGresult *res;
Oid collationOid;
Oid opclassOid;
Oid analyzeOid;
Oid canonicalOid;
Oid subdiffOid;
/* Set proper schema search path */
selectSourceSchema("pg_catalog");
appendPQExpBuffer(query,
"SELECT rngtypid, "
"format_type(rngsubtype, NULL) as rngsubtype, "
"rngsubtype::oid as rngsubtypeoid, "
"opc.opcname AS opcname, "
"CASE WHEN rngcollation = st.typcollation THEN 0 "
" ELSE rngcollation END AS collation, "
"CASE WHEN opcdefault THEN 0 ELSE rngsubopc END "
" AS rngsubopc, "
"(SELECT nspname FROM pg_namespace nsp "
" WHERE nsp.oid = opc.opcnamespace) AS opcnsp, "
"t.typanalyze, t.typanalyze::oid as typanalyzeoid, "
"rngcanonical, rngcanonical::oid as rngcanonicaloid, "
"rngsubdiff, rngsubdiff::oid as rngsubdiffoid "
"FROM pg_catalog.pg_type t, pg_type st, "
" pg_catalog.pg_opclass opc, pg_catalog.pg_range r "
"WHERE t.oid = rngtypid AND st.oid = rngsubtype AND "
" opc.oid = rngsubopc AND rngtypid = '%u'",
tyinfo->dobj.catId.oid);
res = PQexec(g_conn, query->data);
check_sql_result(res, g_conn, query->data, PGRES_TUPLES_OK);
/*
* DROP must be fully qualified in case same name appears in pg_catalog.
* CASCADE shouldn't be required here as for normal types since the I/O
* functions are generic and do not get dropped.
*/
appendPQExpBuffer(delq, "DROP TYPE %s.",
fmtId(tyinfo->dobj.namespace->dobj.name));
appendPQExpBuffer(delq, "%s;\n",
fmtId(tyinfo->dobj.name));
/* We might already have a shell type, but setting pg_type_oid is harmless */
if (binary_upgrade)
binary_upgrade_set_type_oids_by_type_oid(q, tyinfo->dobj.catId.oid);
appendPQExpBuffer(q, "CREATE TYPE %s AS RANGE (",
fmtId(tyinfo->dobj.name));
/* SUBTYPE */
appendPQExpBuffer(q, "\n SUBTYPE = %s",
PQgetvalue(res, 0, PQfnumber(res, "rngsubtype")));
/* COLLATION */
collationOid = atooid(PQgetvalue(res, 0,
PQfnumber(res, "collation")));
if (OidIsValid(collationOid))
{
CollInfo *coll;
coll = findCollationByOid(collationOid);
if (coll)
{
/* always schema-qualify, don't try to be smart */
appendPQExpBuffer(q, ",\n COLLATION = %s.",
fmtId(coll->dobj.namespace->dobj.name));
appendPQExpBuffer(q, "%s",
fmtId(coll->dobj.name));
}
}
/* SUBTYPE_OPCLASS */
opclassOid = atooid(PQgetvalue(res, 0,
PQfnumber(res, "rngsubopc")));
if (OidIsValid(opclassOid))
{
char *opcname = PQgetvalue(res, 0, PQfnumber(res, "opcname"));
char *nspname = PQgetvalue(res, 0, PQfnumber(res, "opcnsp"));
/* always schema-qualify, don't try to be smart */
appendPQExpBuffer(q, ",\n SUBTYPE_OPCLASS = %s.",
fmtId(nspname));
appendPQExpBuffer(q, "%s", fmtId(opcname));
}
/* ANALYZE */
analyzeOid = atooid(PQgetvalue(res, 0,
PQfnumber(res, "typanalyzeoid")));
if (OidIsValid(analyzeOid))
appendPQExpBuffer(q, ",\n ANALYZE = %s",
PQgetvalue(res, 0, PQfnumber(res, "typanalyze")));
/* CANONICAL */
canonicalOid = atooid(PQgetvalue(res, 0,
PQfnumber(res, "rngcanonicaloid")));
if (OidIsValid(canonicalOid))
appendPQExpBuffer(q, ",\n CANONICAL = %s",
PQgetvalue(res, 0, PQfnumber(res, "rngcanonical")));
/* SUBTYPE_DIFF */
subdiffOid = atooid(PQgetvalue(res, 0, PQfnumber(res, "rngsubdiffoid")));
if (OidIsValid(subdiffOid))
appendPQExpBuffer(q, ",\n SUBTYPE_DIFF = %s",
PQgetvalue(res, 0, PQfnumber(res, "rngsubdiff")));
appendPQExpBuffer(q, "\n);\n");
appendPQExpBuffer(labelq, "TYPE %s", fmtId(tyinfo->dobj.name));
if (binary_upgrade)
binary_upgrade_extension_member(q, &tyinfo->dobj, labelq->data);
ArchiveEntry(fout, tyinfo->dobj.catId, tyinfo->dobj.dumpId,
tyinfo->dobj.name,
tyinfo->dobj.namespace->dobj.name,
NULL,
tyinfo->rolname, false,
"TYPE", SECTION_PRE_DATA,
q->data, delq->data, NULL,
tyinfo->dobj.dependencies, tyinfo->dobj.nDeps,
NULL, NULL);
/* Dump Type Comments and Security Labels */
dumpComment(fout, labelq->data,
tyinfo->dobj.namespace->dobj.name, tyinfo->rolname,
tyinfo->dobj.catId, 0, tyinfo->dobj.dumpId);
dumpSecLabel(fout, labelq->data,
tyinfo->dobj.namespace->dobj.name, tyinfo->rolname,
tyinfo->dobj.catId, 0, tyinfo->dobj.dumpId);
PQclear(res);
destroyPQExpBuffer(q);
destroyPQExpBuffer(delq);
destroyPQExpBuffer(labelq);
destroyPQExpBuffer(query);
}
/*
* dumpBaseType
* writes out to fout the queries to recreate a user-defined base type