Adds domain dumping support to pg_dump.

Rod Taylor
This commit is contained in:
Bruce Momjian 2002-04-05 11:51:13 +00:00
parent 811f7df274
commit 9f20765919
2 changed files with 131 additions and 4 deletions

View File

@ -22,7 +22,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.245 2002/04/05 00:31:31 tgl Exp $
* $Header: /cvsroot/pgsql/src/bin/pg_dump/pg_dump.c,v 1.246 2002/04/05 11:51:12 momjian Exp $
*
*-------------------------------------------------------------------------
*/
@ -77,6 +77,7 @@ typedef enum _formatLiteralOptions
static void dumpComment(Archive *fout, const char *target, const char *oid,
const char *classname, int subid,
const char *((*deps)[]));
static void dumpOneDomain(Archive *fout, TypeInfo *tinfo);
static void dumpSequence(Archive *fout, TableInfo tbinfo, const bool schemaOnly, const bool dataOnly);
static void dumpACL(Archive *fout, TableInfo tbinfo);
static void dumpTriggers(Archive *fout, const char *tablename,
@ -91,6 +92,7 @@ static Oid findLastBuiltinOid_V71(const char *);
static Oid findLastBuiltinOid_V70(void);
static void setMaxOid(Archive *fout);
static void AddAcl(char *aclbuf, const char *keyword);
static char *GetPrivileges(Archive *AH, const char *s);
@ -1352,6 +1354,7 @@ getTypes(int *numTypes)
int i_typisdefined;
int i_usename;
int i_typedefn;
int i_typtype;
/* find all base types */
@ -1368,7 +1371,7 @@ getTypes(int *numTypes)
"typinput, typoutput, typreceive, typsend, typelem, typdelim, "
"typdefault, typrelid, typalign, 'p'::char as typstorage, typbyval, typisdefined, "
"(select usename from pg_user where typowner = usesysid) as usename, "
"typname as typedefn "
"typname as typedefn, typtype "
"from pg_type");
}
else
@ -1377,7 +1380,7 @@ getTypes(int *numTypes)
"typinput, typoutput, typreceive, typsend, typelem, typdelim, "
"typdefault, typrelid, typalign, typstorage, typbyval, typisdefined, "
"(select usename from pg_user where typowner = usesysid) as usename, "
"format_type(pg_type.oid, NULL) as typedefn "
"format_type(pg_type.oid, NULL) as typedefn, typtype "
"from pg_type");
}
@ -1412,6 +1415,7 @@ getTypes(int *numTypes)
i_typisdefined = PQfnumber(res, "typisdefined");
i_usename = PQfnumber(res, "usename");
i_typedefn = PQfnumber(res, "typedefn");
i_typtype = PQfnumber(res, "typtype");
for (i = 0; i < ntups; i++)
{
@ -1435,6 +1439,7 @@ getTypes(int *numTypes)
tinfo[i].typstorage = strdup(PQgetvalue(res, i, i_typstorage));
tinfo[i].usename = strdup(PQgetvalue(res, i, i_usename));
tinfo[i].typedefn = strdup(PQgetvalue(res, i, i_typedefn));
tinfo[i].typtype = strdup(PQgetvalue(res, i, i_typtype));
if (strlen(tinfo[i].usename) == 0)
write_msg(NULL, "WARNING: owner of data type %s appears to be invalid\n",
@ -3188,6 +3193,88 @@ dumpDBComment(Archive *fout)
destroyPQExpBuffer(query);
}
/*
* dumpOneDomain
* wites out to fout the queries to recrease a user-defined domains
* as requested by dumpTypes
*/
void
dumpOneDomain(Archive *fout, TypeInfo *tinfo)
{
PQExpBuffer q = createPQExpBuffer();
PQExpBuffer delq = createPQExpBuffer();
PGresult *res;
PQExpBuffer query = createPQExpBuffer();
int ntups;
const char *((*deps)[]);
int depIdx = 0;
deps = malloc(sizeof(char *) * 10);
/* Fetch domain specific details */
resetPQExpBuffer(query);
appendPQExpBuffer(query, "SELECT typnotnull, "
"format_type(typbasetype, typtypmod) as typdefn, "
"typbasetype "
"FROM pg_type "
"WHERE typname = '%s'",
tinfo->typname);
res = PQexec(g_conn, query->data);
if (!res ||
PQresultStatus(res) != PGRES_TUPLES_OK)
{
write_msg(NULL, "query to obtain domain information failed: %s", PQerrorMessage(g_conn));
exit_nicely();
}
/* Expecting a single result only */
ntups = PQntuples(res);
if (ntups != 1)
write_msg(NULL, "Domain %s non-existant.", fmtId(tinfo->typname, force_quotes));
/* Drop the old copy */
resetPQExpBuffer(delq);
appendPQExpBuffer(delq, "DROP DOMAIN %s RESTRICT;\n", fmtId(tinfo->typname, force_quotes));
resetPQExpBuffer(q);
appendPQExpBuffer(q,
"CREATE DOMAIN %s AS %s",
fmtId(tinfo->typname, force_quotes),
PQgetvalue(res, 0, PQfnumber(res, "typdefn"))
);
/* Depends on the base type */
(*deps)[depIdx++] = strdup(PQgetvalue(res, 0, PQfnumber(res, "typbasetype")));
if (PQgetvalue(res, 0, PQfnumber(res, "typnotnull"))[0] == 't')
appendPQExpBuffer(q, " NOT NULL");
if (tinfo->typdefault)
{
appendPQExpBuffer(q,
" DEFAULT %s",
tinfo->typdefault);
}
appendPQExpBuffer(q, ";\n");
(*deps)[depIdx++] = NULL; /* End of List */
ArchiveEntry(fout, tinfo->oid, tinfo->typname, "DOMAIN", deps,
q->data, delq->data, "", tinfo->usename, NULL, NULL);
/*** Dump Domain Comments ***/
resetPQExpBuffer(q);
appendPQExpBuffer(q, "DOMAIN %s", fmtId(tinfo->typname, force_quotes));
dumpComment(fout, q->data, tinfo->oid, "pg_type", 0, NULL);
}
/*
* dumpTypes
* writes out to fout the queries to recreate all the user-defined types
@ -3223,6 +3310,13 @@ dumpTypes(Archive *fout, FuncInfo *finfo, int numFuncs,
(strcmp(tinfo[i].typinput, "array_in") == 0))
continue;
/* Dump out domains as we run across them */
if (strcmp(tinfo[i].typtype, "d") == 0) {
dumpOneDomain(fout, &tinfo[i]);
continue;
}
deps = malloc(sizeof(char *) * 10);
depIdx = 0;
@ -3318,6 +3412,8 @@ dumpTypes(Archive *fout, FuncInfo *finfo, int numFuncs,
ArchiveEntry(fout, tinfo[i].oid, tinfo[i].typname, "TYPE", deps,
q->data, delq->data, "", tinfo[i].usename, NULL, NULL);
/*** Dump Type Comments ***/
resetPQExpBuffer(q);
@ -4294,6 +4390,36 @@ dumpTables(Archive *fout, TableInfo *tblinfo, int numTables,
tblinfo[i].check_expr[k]);
}
/* Primary Key */
if (tblinfo[i].pkIndexOid != NULL)
{
PQExpBuffer consDef;
/* Find the corresponding index */
for (k = 0; k < numIndexes; k++)
{
if (strcmp(indinfo[k].indexreloid,
tblinfo[i].pkIndexOid) == 0)
break;
}
if (k >= numIndexes)
{
write_msg(NULL, "dumpTables(): failed sanity check, could not find index (%s) for primary key constraint\n",
tblinfo[i].pkIndexOid);
exit_nicely();
}
consDef = getPKconstraint(&tblinfo[i], &indinfo[k]);
if ((actual_atts + tblinfo[i].ncheck) > 0)
appendPQExpBuffer(q, ",\n\t");
appendPQExpBuffer(q, "%s", consDef->data);
destroyPQExpBuffer(consDef);
}
/*
* Primary Key: In versions of PostgreSQL prior to 7.2, we
* needed to include the primary key in the table definition.

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@ -6,7 +6,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: pg_dump.h,v 1.79 2002/04/05 00:31:32 tgl Exp $
* $Id: pg_dump.h,v 1.80 2002/04/05 11:51:13 momjian Exp $
*
* Modifications - 6/12/96 - dave@bensoft.com - version 1.13.dhb.2
*
@ -53,6 +53,7 @@ typedef struct _typeInfo
char *typstorage;
char *usename;
char *typedefn;
char *typtype;
int passedbyvalue;
int isArray;
int isDefined;