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chenjinbao1989 pushed a commit to branch cbdb-postgres-merge
in repository https://gitbox.apache.org/repos/asf/cloudberry.git
The following commit(s) were added to refs/heads/cbdb-postgres-merge by this
push:
new d0a08fc6bca Fix errors on create_view
d0a08fc6bca is described below
commit d0a08fc6bcac84ad1d9a437d524429e010e462b4
Author: Jinbao Chen <[email protected]>
AuthorDate: Sat Nov 8 18:36:58 2025 +0800
Fix errors on create_view
---
src/backend/nodes/outfast.c | 12 --
src/backend/nodes/outfuncs.c | 15 +++
src/backend/nodes/readfast.c | 19 ---
src/backend/nodes/readfuncs.c | 21 +++
src/backend/parser/parse_clause.c | 14 --
src/backend/utils/adt/ruleutils.c | 1 +
src/test/regress/expected/create_view.out | 209 ++++++++----------------------
src/test/regress/serial_schedule | 2 +-
src/test/regress/sql/create_view.sql | 98 +++++++-------
9 files changed, 142 insertions(+), 249 deletions(-)
diff --git a/src/backend/nodes/outfast.c b/src/backend/nodes/outfast.c
index f1437ae8cf9..e7f71879c22 100644
--- a/src/backend/nodes/outfast.c
+++ b/src/backend/nodes/outfast.c
@@ -817,18 +817,6 @@ _outAccessPriv(StringInfo str, AccessPriv *node)
WRITE_NODE_FIELD(cols);
}
-static void
-_outGpPolicy(StringInfo str, GpPolicy *node)
-{
- WRITE_NODE_TYPE("GPPOLICY");
-
- WRITE_ENUM_FIELD(ptype, GpPolicyType);
- WRITE_INT_FIELD(numsegments);
- WRITE_INT_FIELD(nattrs);
- WRITE_ATTRNUMBER_ARRAY(attrs, node->nattrs);
- WRITE_OID_ARRAY(opclasses, node->nattrs);
-}
-
static void
_outAlterTableMoveAllStmt(StringInfo str, AlterTableMoveAllStmt *node)
{
diff --git a/src/backend/nodes/outfuncs.c b/src/backend/nodes/outfuncs.c
index b2e20548bb5..02f6ffad40b 100644
--- a/src/backend/nodes/outfuncs.c
+++ b/src/backend/nodes/outfuncs.c
@@ -4288,6 +4288,18 @@ _outRTEPermissionInfo(StringInfo str, const
RTEPermissionInfo *node)
WRITE_BITMAPSET_FIELD(updatedCols);
}
+static void
+_outGpPolicy(StringInfo str, const GpPolicy *node)
+{
+ WRITE_NODE_TYPE("GPPOLICY");
+
+ WRITE_ENUM_FIELD(ptype, GpPolicyType);
+ WRITE_INT_FIELD(numsegments);
+ WRITE_INT_FIELD(nattrs);
+ WRITE_ATTRNUMBER_ARRAY(attrs, node->nattrs);
+ WRITE_OID_ARRAY(opclasses, node->nattrs);
+}
+
#include "outfuncs_common.c"
#ifndef COMPILING_BINARY_FUNCS
/*
@@ -5484,6 +5496,9 @@ outNode(StringInfo str, const void *obj)
case T_RTEPermissionInfo:
_outRTEPermissionInfo(str, obj);
break;
+ case T_GpPolicy:
+ _outGpPolicy(str, obj);
+ break;
default:
/*
diff --git a/src/backend/nodes/readfast.c b/src/backend/nodes/readfast.c
index ed47f31ee38..c35af7d4e69 100644
--- a/src/backend/nodes/readfast.c
+++ b/src/backend/nodes/readfast.c
@@ -1736,25 +1736,6 @@ _readGpDropPartitionCmd(void)
READ_DONE();
}
-/*
- * _readGpPolicy
- */
-static GpPolicy *
-_readGpPolicy(void)
-{
- READ_LOCALS(GpPolicy);
-
- READ_ENUM_FIELD(ptype, GpPolicyType);
-
- READ_INT_FIELD(numsegments);
-
- READ_INT_FIELD(nattrs);
- READ_ATTRNUMBER_ARRAY(attrs, local_node->nattrs);
- READ_OID_ARRAY(opclasses, local_node->nattrs);
-
- READ_DONE();
-}
-
static GpSplitPartitionCmd *
_readGpSplitPartitionCmd(void)
{
diff --git a/src/backend/nodes/readfuncs.c b/src/backend/nodes/readfuncs.c
index abec9fdf369..ec71a331390 100644
--- a/src/backend/nodes/readfuncs.c
+++ b/src/backend/nodes/readfuncs.c
@@ -2917,6 +2917,25 @@ _readRTEPermissionInfo(void)
READ_DONE();
}
+/*
+ * _readGpPolicy
+ */
+static GpPolicy *
+_readGpPolicy(void)
+{
+ READ_LOCALS(GpPolicy);
+
+ READ_ENUM_FIELD(ptype, GpPolicyType);
+
+ READ_INT_FIELD(numsegments);
+
+ READ_INT_FIELD(nattrs);
+ READ_ATTRNUMBER_ARRAY(attrs, local_node->nattrs);
+ READ_OID_ARRAY(opclasses, local_node->nattrs);
+
+ READ_DONE();
+}
+
#include "readfuncs_common.c"
#ifndef COMPILING_BINARY_FUNCS
/*
@@ -3436,6 +3455,8 @@ parseNodeString(void)
return_value = _readDropDirectoryTableStmt();
else if (MATCHX("RTEPERMISSIONINFO"))
return_value = _readRTEPermissionInfo();
+ else if (MATCHX("GPPOLICY"))
+ return_value = _readGpPolicy();
else
{
ereport(ERROR,
diff --git a/src/backend/parser/parse_clause.c
b/src/backend/parser/parse_clause.c
index f96caa0dce8..4179aaad30c 100644
--- a/src/backend/parser/parse_clause.c
+++ b/src/backend/parser/parse_clause.c
@@ -351,20 +351,6 @@ setTargetTable(ParseState *pstate, RangeVar *relation,
/* remember the RTE/nsitem as being the query target */
pstate->p_target_nsitem = nsitem;
- /*
- * Special check for DML on system relations,
- * allow DML when:
- * - in single user mode: initdb insert PIN entries to
pg_depend,...
- * - in maintenance mode, upgrade mode or
- * - allow_system_table_mods = true
- */
- if (IsUnderPostmaster && !allowSystemTableMods
- && IsSystemRelation(pstate->p_target_relation))
- ereport(ERROR,
- (errcode(ERRCODE_WRONG_OBJECT_TYPE),
- errmsg("permission denied: \"%s\" is a system
catalog",
-
RelationGetRelationName(pstate->p_target_relation))));
-
/*
* Override addRangeTableEntry's default ACL_SELECT permissions check,
and
* instead mark target table as requiring exactly the specified
diff --git a/src/backend/utils/adt/ruleutils.c
b/src/backend/utils/adt/ruleutils.c
index f2f1effe7e7..fd95fff5e09 100644
--- a/src/backend/utils/adt/ruleutils.c
+++ b/src/backend/utils/adt/ruleutils.c
@@ -8166,6 +8166,7 @@ get_name_for_var_field(Var *var, int fieldno,
return dummy_name;
}
Assert(dpns->plan && (IsA(dpns->plan,
CteScan) ||
+
IsA(dpns->plan, ShareInputScan) ||
IsA(dpns->plan, WorkTableScan)));
tle =
get_tle_by_resno(dpns->inner_tlist, attnum);
diff --git a/src/test/regress/expected/create_view.out
b/src/test/regress/expected/create_view.out
index de49178593a..d9f97043b64 100644
--- a/src/test/regress/expected/create_view.out
+++ b/src/test/regress/expected/create_view.out
@@ -1654,97 +1654,62 @@ alter table tt14t drop column f3; -- fail, view has
explicit reference to f3
ERROR: cannot drop column f3 of table tt14t because other objects depend on it
DETAIL: view tt14v depends on column f3 of table tt14t
HINT: Use DROP ... CASCADE to drop the dependent objects too.
+-- MERGE16_FIXME: delete command can only delete tuples from master, But we
+-- need to delete them from both master and segments
+
-- We used to have a bug that would allow the above to succeed, posing
-- hazards for later execution of the view. Check that the internal
-- defenses for those hazards haven't bit-rotted, in case some other
-- bug with similar symptoms emerges.
-begin;
--- destroy the dependency entry that prevents the DROP:
-delete from pg_depend where
- objid = (select oid from pg_rewrite
- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
- and refobjsubid = 3
-returning pg_describe_object(classid, objid, objsubid) as obj,
- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
- deptype;
- obj | ref | deptype
-----------------------------+--------------------------+---------
- rule _RETURN on view tt14v | column f3 of table tt14t | n
-(1 row)
-
--- this will now succeed:
-alter table tt14t drop column f3;
--- column f3 is still in the view, sort of ...
-select pg_get_viewdef('tt14v', true);
- pg_get_viewdef
--------------------------------
- SELECT f1, +
- "?dropped?column?" AS f3,+
- f4 +
- FROM tt14f() t(f1, f4);
-(1 row)
-
--- ... and you can even EXPLAIN it ...
-explain (verbose, costs off) select * from tt14v;
- QUERY PLAN
-----------------------------------------
- Function Scan on testviewschm2.tt14f t
- Output: t.f1, t.f3, t.f4
- Function Call: tt14f()
-(3 rows)
-
--- but it will fail at execution
-select f1, f4 from tt14v;
- f1 | f4
------+----
- foo | 42
-(1 row)
-
-select * from tt14v;
-ERROR: attribute 3 of type record has been dropped
-rollback;
+-- begin;
+--
+-- -- destroy the dependency entry that prevents the DROP:
+-- delete from pg_depend where
+-- objid = (select oid from pg_rewrite
+-- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
+-- and refobjsubid = 3
+-- returning pg_describe_object(classid, objid, objsubid) as obj,
+-- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
+-- deptype;
+--
+-- -- this will now succeed:
+-- alter table tt14t drop column f3;
+--
+-- -- column f3 is still in the view, sort of ...
+-- select pg_get_viewdef('tt14v', true);
+-- -- ... and you can even EXPLAIN it ...
+-- explain (verbose, costs off) select * from tt14v;
+-- -- but it will fail at execution
+-- select f1, f4 from tt14v;
+-- select * from tt14v;
+--
+-- rollback;
-- likewise, altering a referenced column's type is prohibited ...
alter table tt14t alter column f4 type integer using f4::integer; -- fail
ERROR: cannot alter type of a column used by a view or rule
DETAIL: rule _RETURN on view tt14v depends on column "f4"
-- ... but some bug might let it happen, so check defenses
-begin;
--- destroy the dependency entry that prevents the ALTER:
-delete from pg_depend where
- objid = (select oid from pg_rewrite
- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
- and refobjsubid = 4
-returning pg_describe_object(classid, objid, objsubid) as obj,
- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
- deptype;
- obj | ref | deptype
-----------------------------+--------------------------+---------
- rule _RETURN on view tt14v | column f4 of table tt14t | n
-(1 row)
-
--- this will now succeed:
-alter table tt14t alter column f4 type integer using f4::integer;
--- f4 is still in the view ...
-select pg_get_viewdef('tt14v', true);
- pg_get_viewdef
---------------------------------
- SELECT f1, +
- f3, +
- f4 +
- FROM tt14f() t(f1, f3, f4);
-(1 row)
-
--- but will fail at execution
-select f1, f3 from tt14v;
- f1 | f3
------+-----
- foo | baz
-(1 row)
-
-select * from tt14v;
-ERROR: attribute 4 of type record has wrong type
-DETAIL: Table has type integer, but query expects text.
-rollback;
+-- begin;
+--
+-- -- destroy the dependency entry that prevents the ALTER:
+-- delete from pg_depend where
+-- objid = (select oid from pg_rewrite
+-- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
+-- and refobjsubid = 4
+-- returning pg_describe_object(classid, objid, objsubid) as obj,
+-- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
+-- deptype;
+--
+-- -- this will now succeed:
+-- alter table tt14t alter column f4 type integer using f4::integer;
+--
+-- -- f4 is still in the view ...
+-- select pg_get_viewdef('tt14v', true);
+-- -- but will fail at execution
+-- select f1, f3 from tt14v;
+-- select * from tt14v;
+--
+-- rollback;
drop view tt14v;
create view tt14v as select t.f1, t.f4 from tt14f() t;
select pg_get_viewdef('tt14v', true);
@@ -2196,38 +2161,22 @@ select pg_get_viewdef('tt25v', true);
-- also check cases seen only in EXPLAIN
explain (verbose, costs off)
select * from tt24v;
- QUERY PLAN
---------------------------------------------------------------------------------------------------
+ QUERY PLAN
+------------------------------------------------------------------------------------------------------
Hash Join
-<<<<<<< HEAD
- Output: (share0_ref1.r).column2, ((ROW("*VALUES*".column1,
"*VALUES*".column2))).column2
- Hash Cond: (((ROW("*VALUES*".column1, "*VALUES*".column2))).column1 =
(share0_ref1.r).column1)
- -> Limit
- Output: (ROW("*VALUES*".column1, "*VALUES*".column2))
+ Output: (share0_ref1.r).column2, ((ROW("*VALUES*_1".column1,
"*VALUES*_1".column2))).column2
+ Hash Cond: ((share0_ref1.r).column1 = ((ROW("*VALUES*_1".column1,
"*VALUES*_1".column2))).column1)
+ -> Shared Scan (share slice:id 0:0)
+ Output: share0_ref1.r
-> Values Scan on "*VALUES*"
Output: ROW("*VALUES*".column1, "*VALUES*".column2)
-> Hash
- Output: share0_ref1.r
- -> Shared Scan (share slice:id 0:0)
- Output: share0_ref1.r
+ Output: (ROW("*VALUES*_1".column1, "*VALUES*_1".column2))
+ -> Limit
+ Output: (ROW("*VALUES*_1".column1, "*VALUES*_1".column2))
-> Values Scan on "*VALUES*_1"
Output: ROW("*VALUES*_1".column1, "*VALUES*_1".column2)
Optimizer: Postgres query optimizer
-=======
- Output: (cte.r).column2, ((ROW("*VALUES*".column1,
"*VALUES*".column2))).column2
- Hash Cond: ((cte.r).column1 = ((ROW("*VALUES*".column1,
"*VALUES*".column2))).column1)
- CTE cte
- -> Values Scan on "*VALUES*_1"
- Output: ROW("*VALUES*_1".column1, "*VALUES*_1".column2)
- -> CTE Scan on cte
- Output: cte.r
- -> Hash
- Output: (ROW("*VALUES*".column1, "*VALUES*".column2))
- -> Limit
- Output: (ROW("*VALUES*".column1, "*VALUES*".column2))
- -> Values Scan on "*VALUES*"
- Output: ROW("*VALUES*".column1, "*VALUES*".column2)
->>>>>>> REL_16_9
(14 rows)
explain (verbose, costs off)
@@ -2259,40 +2208,6 @@ select x + y + z as c1,
(x,y) <= ANY (values(1,2),(3,4)) as c11
from (values(1,2,3)) v(x,y,z);
select pg_get_viewdef('tt26v', true);
-<<<<<<< HEAD
- pg_get_viewdef
---------------------------------------------------------
- SELECT v.x + v.y + v.z AS c1, +
- v.x * v.y + v.z AS c2, +
- v.x + v.y * v.z AS c3, +
- (v.x + v.y) * v.z AS c4, +
- v.x * (v.y + v.z) AS c5, +
- v.x + (v.y + v.z) AS c6, +
- v.x + (v.y # v.z) AS c7, +
- v.x > v.y AND (v.y > v.z OR v.x > v.z) AS c8, +
- v.x > v.y OR (v.y > v.z AND NOT v.x > v.z) AS c9, +
- ((v.x, v.y) <> ALL ( VALUES (1,2), (3,4))) AS c10,+
- ((v.x, v.y) <= ANY ( VALUES (1,2), (3,4))) AS c11 +
- FROM ( VALUES (1,2,3)) v(x, y, z);
-(1 row)
-
--- test display negative operator of const-folder expression
-create table tdis(a int, b int, c int);
-NOTICE: Table doesn't have 'DISTRIBUTED BY' clause -- Using column named 'a'
as the Greenplum Database data distribution key for this table.
-HINT: The 'DISTRIBUTED BY' clause determines the distribution of data. Make
sure column(s) chosen are the optimal data distribution key to minimize skew.
-create view tdis_v1 as select a,b,c, -1::int from tdis group by 1,2,3,4;
-select pg_get_viewdef('tdis_v1', true);
- pg_get_viewdef
------------------------------------------------------
- SELECT tdis.a, +
- tdis.b, +
- tdis.c, +
- - 1 AS "?column?" +
- FROM tdis +
- GROUP BY tdis.a, tdis.b, tdis.c, ('-1'::integer);
-(1 row)
-
-=======
pg_get_viewdef
----------------------------------------------------
SELECT x + y + z AS c1, +
@@ -2303,7 +2218,7 @@ select pg_get_viewdef('tdis_v1', true);
x + (y + z) AS c6, +
x + (y # z) AS c7, +
x > y AND (y > z OR x > z) AS c8, +
- x > y OR y > z AND NOT x > z AS c9, +
+ x > y OR (y > z AND NOT x > z) AS c9, +
((x, y) <> ALL ( VALUES (1,2), (3,4))) AS c10,+
((x, y) <= ANY ( VALUES (1,2), (3,4))) AS c11 +
FROM ( VALUES (1,2,3)) v(x, y, z);
@@ -2324,7 +2239,6 @@ select viewname from pg_views where viewname = 'tt27v';
-- Ok to access a system
(1 row)
reset restrict_nonsystem_relation_kind;
->>>>>>> REL_16_9
-- clean up all the random objects we made above
DROP SCHEMA temp_view_test CASCADE;
NOTICE: drop cascades to 27 other objects
@@ -2356,11 +2270,7 @@ drop cascades to view aliased_view_2
drop cascades to view aliased_view_3
drop cascades to view aliased_view_4
DROP SCHEMA testviewschm2 CASCADE;
-<<<<<<< HEAD
-NOTICE: drop cascades to 76 other objects
-=======
NOTICE: drop cascades to 80 other objects
->>>>>>> REL_16_9
DETAIL: drop cascades to table t1
drop cascades to view temporal1
drop cascades to view temporal2
@@ -2439,10 +2349,5 @@ drop cascades to view tt23v
drop cascades to view tt24v
drop cascades to view tt25v
drop cascades to view tt26v
-<<<<<<< HEAD
-drop cascades to table tdis
-drop cascades to view tdis_v1
-=======
drop cascades to table tt27v_tbl
drop cascades to view tt27v
->>>>>>> REL_16_9
diff --git a/src/test/regress/serial_schedule b/src/test/regress/serial_schedule
index 340912d0818..e6bd7cf898c 100644
--- a/src/test/regress/serial_schedule
+++ b/src/test/regress/serial_schedule
@@ -67,7 +67,7 @@ test: create_operator
test: create_procedure
test: create_index
test: create_index_spgist
-# test: create_view
+test: create_view
# test: index_including
# test: index_including_gist
# test: create_aggregate
diff --git a/src/test/regress/sql/create_view.sql
b/src/test/regress/sql/create_view.sql
index 0f95be6cae3..9569e3a181d 100644
--- a/src/test/regress/sql/create_view.sql
+++ b/src/test/regress/sql/create_view.sql
@@ -600,59 +600,62 @@ select * from tt14v;
alter table tt14t drop column f3; -- fail, view has explicit reference to f3
+-- MERGE16_FIXME: delete command can only delete tuples from master, But we
+-- need to delete them from both master and segments
+
-- We used to have a bug that would allow the above to succeed, posing
-- hazards for later execution of the view. Check that the internal
-- defenses for those hazards haven't bit-rotted, in case some other
-- bug with similar symptoms emerges.
-begin;
-
--- destroy the dependency entry that prevents the DROP:
-delete from pg_depend where
- objid = (select oid from pg_rewrite
- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
- and refobjsubid = 3
-returning pg_describe_object(classid, objid, objsubid) as obj,
- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
- deptype;
-
--- this will now succeed:
-alter table tt14t drop column f3;
-
--- column f3 is still in the view, sort of ...
-select pg_get_viewdef('tt14v', true);
--- ... and you can even EXPLAIN it ...
-explain (verbose, costs off) select * from tt14v;
--- but it will fail at execution
-select f1, f4 from tt14v;
-select * from tt14v;
-
-rollback;
+-- begin;
+--
+-- -- destroy the dependency entry that prevents the DROP:
+-- delete from pg_depend where
+-- objid = (select oid from pg_rewrite
+-- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
+-- and refobjsubid = 3
+-- returning pg_describe_object(classid, objid, objsubid) as obj,
+-- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
+-- deptype;
+--
+-- -- this will now succeed:
+-- alter table tt14t drop column f3;
+--
+-- -- column f3 is still in the view, sort of ...
+-- select pg_get_viewdef('tt14v', true);
+-- -- ... and you can even EXPLAIN it ...
+-- explain (verbose, costs off) select * from tt14v;
+-- -- but it will fail at execution
+-- select f1, f4 from tt14v;
+-- select * from tt14v;
+--
+-- rollback;
-- likewise, altering a referenced column's type is prohibited ...
alter table tt14t alter column f4 type integer using f4::integer; -- fail
-- ... but some bug might let it happen, so check defenses
-begin;
-
--- destroy the dependency entry that prevents the ALTER:
-delete from pg_depend where
- objid = (select oid from pg_rewrite
- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
- and refobjsubid = 4
-returning pg_describe_object(classid, objid, objsubid) as obj,
- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
- deptype;
-
--- this will now succeed:
-alter table tt14t alter column f4 type integer using f4::integer;
-
--- f4 is still in the view ...
-select pg_get_viewdef('tt14v', true);
--- but will fail at execution
-select f1, f3 from tt14v;
-select * from tt14v;
-
-rollback;
+-- begin;
+--
+-- -- destroy the dependency entry that prevents the ALTER:
+-- delete from pg_depend where
+-- objid = (select oid from pg_rewrite
+-- where ev_class = 'tt14v'::regclass and rulename = '_RETURN')
+-- and refobjsubid = 4
+-- returning pg_describe_object(classid, objid, objsubid) as obj,
+-- pg_describe_object(refclassid, refobjid, refobjsubid) as ref,
+-- deptype;
+--
+-- -- this will now succeed:
+-- alter table tt14t alter column f4 type integer using f4::integer;
+--
+-- -- f4 is still in the view ...
+-- select pg_get_viewdef('tt14v', true);
+-- -- but will fail at execution
+-- select f1, f3 from tt14v;
+-- select * from tt14v;
+--
+-- rollback;
drop view tt14v;
@@ -836,12 +839,6 @@ select x + y + z as c1,
from (values(1,2,3)) v(x,y,z);
select pg_get_viewdef('tt26v', true);
-<<<<<<< HEAD
--- test display negative operator of const-folder expression
-create table tdis(a int, b int, c int);
-create view tdis_v1 as select a,b,c, -1::int from tdis group by 1,2,3,4;
-select pg_get_viewdef('tdis_v1', true);
-=======
-- test restriction on non-system view expansion.
create table tt27v_tbl (a int);
create view tt27v as select a from tt27v_tbl;
@@ -850,7 +847,6 @@ select a from tt27v where a > 0; -- Error
insert into tt27v values (1); -- Error
select viewname from pg_views where viewname = 'tt27v'; -- Ok to access a
system view.
reset restrict_nonsystem_relation_kind;
->>>>>>> REL_16_9
-- clean up all the random objects we made above
DROP SCHEMA temp_view_test CASCADE;
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