diff options
Diffstat (limited to 'contrib/postgres_fdw')
-rw-r--r-- | contrib/postgres_fdw/connection.c | 3 | ||||
-rw-r--r-- | contrib/postgres_fdw/deparse.c | 38 | ||||
-rw-r--r-- | contrib/postgres_fdw/expected/postgres_fdw.out | 201 | ||||
-rw-r--r-- | contrib/postgres_fdw/option.c | 4 | ||||
-rw-r--r-- | contrib/postgres_fdw/postgres_fdw.c | 103 | ||||
-rw-r--r-- | contrib/postgres_fdw/postgres_fdw.h | 6 | ||||
-rw-r--r-- | contrib/postgres_fdw/sql/postgres_fdw.sql | 101 |
7 files changed, 453 insertions, 3 deletions
diff --git a/contrib/postgres_fdw/connection.c b/contrib/postgres_fdw/connection.c index 6a61d838621..82aa14a65de 100644 --- a/contrib/postgres_fdw/connection.c +++ b/contrib/postgres_fdw/connection.c @@ -92,7 +92,6 @@ static PGconn *connect_pg_server(ForeignServer *server, UserMapping *user); static void disconnect_pg_server(ConnCacheEntry *entry); static void check_conn_params(const char **keywords, const char **values, UserMapping *user); static void configure_remote_session(PGconn *conn); -static void do_sql_command(PGconn *conn, const char *sql); static void begin_remote_xact(ConnCacheEntry *entry); static void pgfdw_xact_callback(XactEvent event, void *arg); static void pgfdw_subxact_callback(SubXactEvent event, @@ -568,7 +567,7 @@ configure_remote_session(PGconn *conn) /* * Convenience subroutine to issue a non-data-returning SQL command to remote */ -static void +void do_sql_command(PGconn *conn, const char *sql) { PGresult *res; diff --git a/contrib/postgres_fdw/deparse.c b/contrib/postgres_fdw/deparse.c index 5aa3455e30b..bdc4c3620d0 100644 --- a/contrib/postgres_fdw/deparse.c +++ b/contrib/postgres_fdw/deparse.c @@ -56,6 +56,7 @@ #include "utils/rel.h" #include "utils/syscache.h" #include "utils/typcache.h" +#include "commands/tablecmds.h" /* * Global context for foreign_expr_walker's search of an expression tree. @@ -2173,6 +2174,43 @@ deparseAnalyzeSql(StringInfo buf, Relation rel, List **retrieved_attrs) } /* + * Construct a simple "TRUNCATE rel" statement + */ +void +deparseTruncateSql(StringInfo buf, + List *rels, + List *rels_extra, + DropBehavior behavior, + bool restart_seqs) +{ + ListCell *lc1, + *lc2; + + appendStringInfoString(buf, "TRUNCATE "); + + forboth(lc1, rels, lc2, rels_extra) + { + Relation rel = lfirst(lc1); + int extra = lfirst_int(lc2); + + if (lc1 != list_head(rels)) + appendStringInfoString(buf, ", "); + if (extra & TRUNCATE_REL_CONTEXT_ONLY) + appendStringInfoString(buf, "ONLY "); + + deparseRelation(buf, rel); + } + + appendStringInfo(buf, " %s IDENTITY", + restart_seqs ? "RESTART" : "CONTINUE"); + + if (behavior == DROP_RESTRICT) + appendStringInfoString(buf, " RESTRICT"); + else if (behavior == DROP_CASCADE) + appendStringInfoString(buf, " CASCADE"); +} + +/* * Construct name to use for given column, and emit it into buf. * If it has a column_name FDW option, use that instead of attribute name. * diff --git a/contrib/postgres_fdw/expected/postgres_fdw.out b/contrib/postgres_fdw/expected/postgres_fdw.out index eeb6ae79d06..7f69fa00545 100644 --- a/contrib/postgres_fdw/expected/postgres_fdw.out +++ b/contrib/postgres_fdw/expected/postgres_fdw.out @@ -8215,6 +8215,205 @@ select * from rem3; drop foreign table rem3; drop table loc3; -- =================================================================== +-- test for TRUNCATE +-- =================================================================== +CREATE TABLE tru_rtable0 (id int primary key); +CREATE TABLE tru_rtable1 (id int primary key); +CREATE FOREIGN TABLE tru_ftable (id int) + SERVER loopback OPTIONS (table_name 'tru_rtable0'); +INSERT INTO tru_rtable0 (SELECT x FROM generate_series(1,10) x); +CREATE TABLE tru_ptable (id int) PARTITION BY HASH(id); +CREATE TABLE tru_ptable__p0 PARTITION OF tru_ptable + FOR VALUES WITH (MODULUS 2, REMAINDER 0); +CREATE FOREIGN TABLE tru_ftable__p1 PARTITION OF tru_ptable + FOR VALUES WITH (MODULUS 2, REMAINDER 1) + SERVER loopback OPTIONS (table_name 'tru_rtable1'); +INSERT INTO tru_ptable (SELECT x FROM generate_series(11,20) x); +CREATE TABLE tru_pk_table(id int primary key); +CREATE TABLE tru_fk_table(fkey int references tru_pk_table(id)); +INSERT INTO tru_pk_table (SELECT x FROM generate_series(1,10) x); +INSERT INTO tru_fk_table (SELECT x % 10 + 1 FROM generate_series(5,25) x); +CREATE FOREIGN TABLE tru_pk_ftable (id int) + SERVER loopback OPTIONS (table_name 'tru_pk_table'); +CREATE TABLE tru_rtable_parent (id int); +CREATE TABLE tru_rtable_child (id int); +CREATE FOREIGN TABLE tru_ftable_parent (id int) + SERVER loopback OPTIONS (table_name 'tru_rtable_parent'); +CREATE FOREIGN TABLE tru_ftable_child () INHERITS (tru_ftable_parent) + SERVER loopback OPTIONS (table_name 'tru_rtable_child'); +INSERT INTO tru_rtable_parent (SELECT x FROM generate_series(1,8) x); +INSERT INTO tru_rtable_child (SELECT x FROM generate_series(10, 18) x); +-- normal truncate +SELECT sum(id) FROM tru_ftable; -- 55 + sum +----- + 55 +(1 row) + +TRUNCATE tru_ftable; +SELECT count(*) FROM tru_rtable0; -- 0 + count +------- + 0 +(1 row) + +SELECT count(*) FROM tru_ftable; -- 0 + count +------- + 0 +(1 row) + +-- 'truncatable' option +ALTER SERVER loopback OPTIONS (ADD truncatable 'false'); +TRUNCATE tru_ftable; -- error +ERROR: foreign table "tru_ftable" does not allow truncates +ALTER FOREIGN TABLE tru_ftable OPTIONS (ADD truncatable 'true'); +TRUNCATE tru_ftable; -- accepted +ALTER FOREIGN TABLE tru_ftable OPTIONS (SET truncatable 'false'); +TRUNCATE tru_ftable; -- error +ERROR: foreign table "tru_ftable" does not allow truncates +ALTER SERVER loopback OPTIONS (DROP truncatable); +ALTER FOREIGN TABLE tru_ftable OPTIONS (SET truncatable 'false'); +TRUNCATE tru_ftable; -- error +ERROR: foreign table "tru_ftable" does not allow truncates +ALTER FOREIGN TABLE tru_ftable OPTIONS (SET truncatable 'true'); +TRUNCATE tru_ftable; -- accepted +-- partitioned table with both local and foreign tables as partitions +SELECT sum(id) FROM tru_ptable; -- 155 + sum +----- + 155 +(1 row) + +TRUNCATE tru_ptable; +SELECT count(*) FROM tru_ptable; -- 0 + count +------- + 0 +(1 row) + +SELECT count(*) FROM tru_ptable__p0; -- 0 + count +------- + 0 +(1 row) + +SELECT count(*) FROM tru_ftable__p1; -- 0 + count +------- + 0 +(1 row) + +SELECT count(*) FROM tru_rtable1; -- 0 + count +------- + 0 +(1 row) + +-- 'CASCADE' option +SELECT sum(id) FROM tru_pk_ftable; -- 55 + sum +----- + 55 +(1 row) + +TRUNCATE tru_pk_ftable; -- failed by FK reference +ERROR: cannot truncate a table referenced in a foreign key constraint +DETAIL: Table "tru_fk_table" references "tru_pk_table". +HINT: Truncate table "tru_fk_table" at the same time, or use TRUNCATE ... CASCADE. +CONTEXT: remote SQL command: TRUNCATE public.tru_pk_table CONTINUE IDENTITY RESTRICT +TRUNCATE tru_pk_ftable CASCADE; +SELECT count(*) FROM tru_pk_ftable; -- 0 + count +------- + 0 +(1 row) + +SELECT count(*) FROM tru_fk_table; -- also truncated,0 + count +------- + 0 +(1 row) + +-- truncate two tables at a command +INSERT INTO tru_ftable (SELECT x FROM generate_series(1,8) x); +INSERT INTO tru_pk_ftable (SELECT x FROM generate_series(3,10) x); +SELECT count(*) from tru_ftable; -- 8 + count +------- + 8 +(1 row) + +SELECT count(*) from tru_pk_ftable; -- 8 + count +------- + 8 +(1 row) + +TRUNCATE tru_ftable, tru_pk_ftable CASCADE; +SELECT count(*) from tru_ftable; -- 0 + count +------- + 0 +(1 row) + +SELECT count(*) from tru_pk_ftable; -- 0 + count +------- + 0 +(1 row) + +-- truncate with ONLY clause +TRUNCATE ONLY tru_ftable_parent; +SELECT sum(id) FROM tru_ftable_parent; -- 126 + sum +----- + 126 +(1 row) + +TRUNCATE tru_ftable_parent; +SELECT count(*) FROM tru_ftable_parent; -- 0 + count +------- + 0 +(1 row) + +-- in case when remote table has inherited children +CREATE TABLE tru_rtable0_child () INHERITS (tru_rtable0); +INSERT INTO tru_rtable0 (SELECT x FROM generate_series(5,9) x); +INSERT INTO tru_rtable0_child (SELECT x FROM generate_series(10,14) x); +SELECT sum(id) FROM tru_ftable; -- 95 + sum +----- + 95 +(1 row) + +TRUNCATE ONLY tru_ftable; -- truncate only parent portion +SELECT sum(id) FROM tru_ftable; -- 60 + sum +----- + 60 +(1 row) + +INSERT INTO tru_rtable0 (SELECT x FROM generate_series(21,25) x); +SELECT sum(id) FROM tru_ftable; -- 175 + sum +----- + 175 +(1 row) + +TRUNCATE tru_ftable; -- truncate both of parent and child +SELECT count(*) FROM tru_ftable; -- empty + count +------- + 0 +(1 row) + +-- cleanup +DROP FOREIGN TABLE tru_ftable_parent, tru_ftable_child, tru_pk_ftable,tru_ftable__p1,tru_ftable; +DROP TABLE tru_rtable0, tru_rtable1, tru_ptable, tru_ptable__p0, tru_pk_table, tru_fk_table, +tru_rtable_parent,tru_rtable_child, tru_rtable0_child; +-- =================================================================== -- test IMPORT FOREIGN SCHEMA -- =================================================================== CREATE SCHEMA import_source; @@ -8917,7 +9116,7 @@ DO $d$ END; $d$; ERROR: invalid option "password" -HINT: Valid options in this context are: service, passfile, channel_binding, connect_timeout, dbname, host, hostaddr, port, options, application_name, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, sslcrldir, sslsni, requirepeer, ssl_min_protocol_version, ssl_max_protocol_version, gssencmode, krbsrvname, gsslib, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, extensions, updatable, fetch_size, batch_size, async_capable, keep_connections +HINT: Valid options in this context are: service, passfile, channel_binding, connect_timeout, dbname, host, hostaddr, port, options, application_name, keepalives, keepalives_idle, keepalives_interval, keepalives_count, tcp_user_timeout, sslmode, sslcompression, sslcert, sslkey, sslrootcert, sslcrl, sslcrldir, sslsni, requirepeer, ssl_min_protocol_version, ssl_max_protocol_version, gssencmode, krbsrvname, gsslib, target_session_attrs, use_remote_estimate, fdw_startup_cost, fdw_tuple_cost, extensions, updatable, truncatable, fetch_size, batch_size, async_capable, keep_connections CONTEXT: SQL statement "ALTER SERVER loopback_nopw OPTIONS (ADD password 'dummypw')" PL/pgSQL function inline_code_block line 3 at EXECUTE -- If we add a password for our user mapping instead, we should get a different diff --git a/contrib/postgres_fdw/option.c b/contrib/postgres_fdw/option.c index f1d0c8bd412..672b55a808f 100644 --- a/contrib/postgres_fdw/option.c +++ b/contrib/postgres_fdw/option.c @@ -108,6 +108,7 @@ postgres_fdw_validator(PG_FUNCTION_ARGS) */ if (strcmp(def->defname, "use_remote_estimate") == 0 || strcmp(def->defname, "updatable") == 0 || + strcmp(def->defname, "truncatable") == 0 || strcmp(def->defname, "async_capable") == 0 || strcmp(def->defname, "keep_connections") == 0) { @@ -213,6 +214,9 @@ InitPgFdwOptions(void) /* updatable is available on both server and table */ {"updatable", ForeignServerRelationId, false}, {"updatable", ForeignTableRelationId, false}, + /* truncatable is available on both server and table */ + {"truncatable", ForeignServerRelationId, false}, + {"truncatable", ForeignTableRelationId, false}, /* fetch_size is available on both server and table */ {"fetch_size", ForeignServerRelationId, false}, {"fetch_size", ForeignTableRelationId, false}, diff --git a/contrib/postgres_fdw/postgres_fdw.c b/contrib/postgres_fdw/postgres_fdw.c index b6442070a35..c590f374c67 100644 --- a/contrib/postgres_fdw/postgres_fdw.c +++ b/contrib/postgres_fdw/postgres_fdw.c @@ -400,6 +400,10 @@ static void postgresExplainForeignModify(ModifyTableState *mtstate, ExplainState *es); static void postgresExplainDirectModify(ForeignScanState *node, ExplainState *es); +static void postgresExecForeignTruncate(List *rels, + List *rels_extra, + DropBehavior behavior, + bool restart_seqs); static bool postgresAnalyzeForeignTable(Relation relation, AcquireSampleRowsFunc *func, BlockNumber *totalpages); @@ -588,6 +592,9 @@ postgres_fdw_handler(PG_FUNCTION_ARGS) routine->ExplainForeignModify = postgresExplainForeignModify; routine->ExplainDirectModify = postgresExplainDirectModify; + /* Support function for TRUNCATE */ + routine->ExecForeignTruncate = postgresExecForeignTruncate; + /* Support functions for ANALYZE */ routine->AnalyzeForeignTable = postgresAnalyzeForeignTable; @@ -2868,6 +2875,102 @@ postgresExplainDirectModify(ForeignScanState *node, ExplainState *es) } } +/* + * postgresExecForeignTruncate + * Truncate one or more foreign tables + */ +static void +postgresExecForeignTruncate(List *rels, + List *rels_extra, + DropBehavior behavior, + bool restart_seqs) +{ + Oid serverid = InvalidOid; + UserMapping *user = NULL; + PGconn *conn = NULL; + StringInfoData sql; + ListCell *lc; + bool server_truncatable = true; + + /* + * By default, all postgres_fdw foreign tables are assumed truncatable. + * This can be overridden by a per-server setting, which in turn can be + * overridden by a per-table setting. + */ + foreach(lc, rels) + { + ForeignServer *server = NULL; + Relation rel = lfirst(lc); + ForeignTable *table = GetForeignTable(RelationGetRelid(rel)); + ListCell *cell; + bool truncatable; + + /* + * First time through, determine whether the foreign server allows + * truncates. Since all specified foreign tables are assumed to belong + * to the same foreign server, this result can be used for other + * foreign tables. + */ + if (!OidIsValid(serverid)) + { + serverid = table->serverid; + server = GetForeignServer(serverid); + + foreach(cell, server->options) + { + DefElem *defel = (DefElem *) lfirst(cell); + + if (strcmp(defel->defname, "truncatable") == 0) + { + server_truncatable = defGetBoolean(defel); + break; + } + } + } + + /* + * Confirm that all specified foreign tables belong to the same + * foreign server. + */ + Assert(table->serverid == serverid); + + /* Determine whether this foreign table allows truncations */ + truncatable = server_truncatable; + foreach(cell, table->options) + { + DefElem *defel = (DefElem *) lfirst(cell); + + if (strcmp(defel->defname, "truncatable") == 0) + { + truncatable = defGetBoolean(defel); + break; + } + } + + if (!truncatable) + ereport(ERROR, + (errcode(ERRCODE_OBJECT_NOT_IN_PREREQUISITE_STATE), + errmsg("foreign table \"%s\" does not allow truncates", + RelationGetRelationName(rel)))); + } + Assert(OidIsValid(serverid)); + + /* + * Get connection to the foreign server. Connection manager will + * establish new connection if necessary. + */ + user = GetUserMapping(GetUserId(), serverid); + conn = GetConnection(user, false, NULL); + + /* Construct the TRUNCATE command string */ + initStringInfo(&sql); + deparseTruncateSql(&sql, rels, rels_extra, behavior, restart_seqs); + + /* Issue the TRUNCATE command to remote server */ + do_sql_command(conn, sql.data); + + pfree(sql.data); +} /* * estimate_path_cost_size diff --git a/contrib/postgres_fdw/postgres_fdw.h b/contrib/postgres_fdw/postgres_fdw.h index 88d94da6f6b..5d44b753140 100644 --- a/contrib/postgres_fdw/postgres_fdw.h +++ b/contrib/postgres_fdw/postgres_fdw.h @@ -145,6 +145,7 @@ extern PGconn *GetConnection(UserMapping *user, bool will_prep_stmt, extern void ReleaseConnection(PGconn *conn); extern unsigned int GetCursorNumber(PGconn *conn); extern unsigned int GetPrepStmtNumber(PGconn *conn); +extern void do_sql_command(PGconn *conn, const char *sql); extern PGresult *pgfdw_get_result(PGconn *conn, const char *query); extern PGresult *pgfdw_exec_query(PGconn *conn, const char *query, PgFdwConnState *state); @@ -206,6 +207,11 @@ extern void deparseDirectDeleteSql(StringInfo buf, PlannerInfo *root, extern void deparseAnalyzeSizeSql(StringInfo buf, Relation rel); extern void deparseAnalyzeSql(StringInfo buf, Relation rel, List **retrieved_attrs); +extern void deparseTruncateSql(StringInfo buf, + List *rels, + List *rels_extra, + DropBehavior behavior, + bool restart_seqs); extern void deparseStringLiteral(StringInfo buf, const char *val); extern Expr *find_em_expr_for_rel(EquivalenceClass *ec, RelOptInfo *rel); extern Expr *find_em_expr_for_input_target(PlannerInfo *root, diff --git a/contrib/postgres_fdw/sql/postgres_fdw.sql b/contrib/postgres_fdw/sql/postgres_fdw.sql index 3b4f90a99ca..7487096eac5 100644 --- a/contrib/postgres_fdw/sql/postgres_fdw.sql +++ b/contrib/postgres_fdw/sql/postgres_fdw.sql @@ -2352,6 +2352,107 @@ drop foreign table rem3; drop table loc3; -- =================================================================== +-- test for TRUNCATE +-- =================================================================== +CREATE TABLE tru_rtable0 (id int primary key); +CREATE TABLE tru_rtable1 (id int primary key); +CREATE FOREIGN TABLE tru_ftable (id int) + SERVER loopback OPTIONS (table_name 'tru_rtable0'); +INSERT INTO tru_rtable0 (SELECT x FROM generate_series(1,10) x); + +CREATE TABLE tru_ptable (id int) PARTITION BY HASH(id); +CREATE TABLE tru_ptable__p0 PARTITION OF tru_ptable + FOR VALUES WITH (MODULUS 2, REMAINDER 0); +CREATE FOREIGN TABLE tru_ftable__p1 PARTITION OF tru_ptable + FOR VALUES WITH (MODULUS 2, REMAINDER 1) + SERVER loopback OPTIONS (table_name 'tru_rtable1'); +INSERT INTO tru_ptable (SELECT x FROM generate_series(11,20) x); + +CREATE TABLE tru_pk_table(id int primary key); +CREATE TABLE tru_fk_table(fkey int references tru_pk_table(id)); +INSERT INTO tru_pk_table (SELECT x FROM generate_series(1,10) x); +INSERT INTO tru_fk_table (SELECT x % 10 + 1 FROM generate_series(5,25) x); +CREATE FOREIGN TABLE tru_pk_ftable (id int) + SERVER loopback OPTIONS (table_name 'tru_pk_table'); + +CREATE TABLE tru_rtable_parent (id int); +CREATE TABLE tru_rtable_child (id int); +CREATE FOREIGN TABLE tru_ftable_parent (id int) + SERVER loopback OPTIONS (table_name 'tru_rtable_parent'); +CREATE FOREIGN TABLE tru_ftable_child () INHERITS (tru_ftable_parent) + SERVER loopback OPTIONS (table_name 'tru_rtable_child'); +INSERT INTO tru_rtable_parent (SELECT x FROM generate_series(1,8) x); +INSERT INTO tru_rtable_child (SELECT x FROM generate_series(10, 18) x); + +-- normal truncate +SELECT sum(id) FROM tru_ftable; -- 55 +TRUNCATE tru_ftable; +SELECT count(*) FROM tru_rtable0; -- 0 +SELECT count(*) FROM tru_ftable; -- 0 + +-- 'truncatable' option +ALTER SERVER loopback OPTIONS (ADD truncatable 'false'); +TRUNCATE tru_ftable; -- error +ALTER FOREIGN TABLE tru_ftable OPTIONS (ADD truncatable 'true'); +TRUNCATE tru_ftable; -- accepted +ALTER FOREIGN TABLE tru_ftable OPTIONS (SET truncatable 'false'); +TRUNCATE tru_ftable; -- error +ALTER SERVER loopback OPTIONS (DROP truncatable); +ALTER FOREIGN TABLE tru_ftable OPTIONS (SET truncatable 'false'); +TRUNCATE tru_ftable; -- error +ALTER FOREIGN TABLE tru_ftable OPTIONS (SET truncatable 'true'); +TRUNCATE tru_ftable; -- accepted + +-- partitioned table with both local and foreign tables as partitions +SELECT sum(id) FROM tru_ptable; -- 155 +TRUNCATE tru_ptable; +SELECT count(*) FROM tru_ptable; -- 0 +SELECT count(*) FROM tru_ptable__p0; -- 0 +SELECT count(*) FROM tru_ftable__p1; -- 0 +SELECT count(*) FROM tru_rtable1; -- 0 + +-- 'CASCADE' option +SELECT sum(id) FROM tru_pk_ftable; -- 55 +TRUNCATE tru_pk_ftable; -- failed by FK reference +TRUNCATE tru_pk_ftable CASCADE; +SELECT count(*) FROM tru_pk_ftable; -- 0 +SELECT count(*) FROM tru_fk_table; -- also truncated,0 + +-- truncate two tables at a command +INSERT INTO tru_ftable (SELECT x FROM generate_series(1,8) x); +INSERT INTO tru_pk_ftable (SELECT x FROM generate_series(3,10) x); +SELECT count(*) from tru_ftable; -- 8 +SELECT count(*) from tru_pk_ftable; -- 8 +TRUNCATE tru_ftable, tru_pk_ftable CASCADE; +SELECT count(*) from tru_ftable; -- 0 +SELECT count(*) from tru_pk_ftable; -- 0 + +-- truncate with ONLY clause +TRUNCATE ONLY tru_ftable_parent; +SELECT sum(id) FROM tru_ftable_parent; -- 126 +TRUNCATE tru_ftable_parent; +SELECT count(*) FROM tru_ftable_parent; -- 0 + +-- in case when remote table has inherited children +CREATE TABLE tru_rtable0_child () INHERITS (tru_rtable0); +INSERT INTO tru_rtable0 (SELECT x FROM generate_series(5,9) x); +INSERT INTO tru_rtable0_child (SELECT x FROM generate_series(10,14) x); +SELECT sum(id) FROM tru_ftable; -- 95 + +TRUNCATE ONLY tru_ftable; -- truncate only parent portion +SELECT sum(id) FROM tru_ftable; -- 60 + +INSERT INTO tru_rtable0 (SELECT x FROM generate_series(21,25) x); +SELECT sum(id) FROM tru_ftable; -- 175 +TRUNCATE tru_ftable; -- truncate both of parent and child +SELECT count(*) FROM tru_ftable; -- empty + +-- cleanup +DROP FOREIGN TABLE tru_ftable_parent, tru_ftable_child, tru_pk_ftable,tru_ftable__p1,tru_ftable; +DROP TABLE tru_rtable0, tru_rtable1, tru_ptable, tru_ptable__p0, tru_pk_table, tru_fk_table, +tru_rtable_parent,tru_rtable_child, tru_rtable0_child; + +-- =================================================================== -- test IMPORT FOREIGN SCHEMA -- =================================================================== |