*** a/doc/src/sgml/ref/delete.sgml
--- b/doc/src/sgml/ref/delete.sgml
***************
*** 21,30 **** PostgreSQL documentation
--- 21,36 ----
+ [ WITH [ RECURSIVE ] with_query [, ...] ]
DELETE FROM [ ONLY ] table [ [ AS ] alias ]
[ USING using_list ]
[ WHERE condition | WHERE CURRENT OF cursor_name ]
[ RETURNING * | output_expression [ [ AS ] output_name ] [, ...] ]
+
+ where with_query is:
+
+ with_query_name [ ( column_name [, ...] ) ] AS ( select | insert | update | delete )
+
***************
*** 84,89 **** DELETE FROM [ ONLY ] table [ [ AS ]
--- 90,104 ----
+ with_query
+
+
+ For information about with_query, see
+ .
+
+
+
+
ONLY>
*** a/doc/src/sgml/ref/insert.sgml
--- b/doc/src/sgml/ref/insert.sgml
***************
*** 21,29 **** PostgreSQL documentation
--- 21,36 ----
+ [ WITH [ RECURSIVE ] with_query [, ...] ]
INSERT INTO table [ ( column [, ...] ) ]
{ DEFAULT VALUES | VALUES ( { expression | DEFAULT } [, ...] ) [, ...] | query }
[ RETURNING * | output_expression [ [ AS ] output_name ] [, ...] ]
+
+ where with_query is:
+
+ with_query_name [ ( column_name [, ...] ) ] AS ( select | insert | update | delete )
+
+
***************
*** 85,90 **** INSERT INTO table [ (
+ with_query
+
+
+ For information about with_query, see
+ .
+
+
+
+
table
*** a/doc/src/sgml/ref/select.sgml
--- b/doc/src/sgml/ref/select.sgml
***************
*** 58,64 **** SELECT [ ALL | DISTINCT [ ON ( expressionand with_query is:
! with_query_name [ ( column_name [, ...] ) ] AS ( select )
TABLE { [ ONLY ] table_name [ * ] | with_query_name }
--- 58,64 ----
and with_query is:
! with_query_name [ ( column_name [, ...] ) ] AS ( select | insert | update | delete )
TABLE { [ ONLY ] table_name [ * ] | with_query_name }
*** a/doc/src/sgml/ref/update.sgml
--- b/doc/src/sgml/ref/update.sgml
***************
*** 21,32 **** PostgreSQL documentation
--- 21,38 ----
+ [ WITH [ RECURSIVE ] with_query [, ...] ]
UPDATE [ ONLY ] table [ [ AS ] alias ]
SET { column = { expression | DEFAULT } |
( column [, ...] ) = ( { expression | DEFAULT } [, ...] ) } [, ...]
[ FROM from_list ]
[ WHERE condition | WHERE CURRENT OF cursor_name ]
[ RETURNING * | output_expression [ [ AS ] output_name ] [, ...] ]
+
+ where with_query is:
+
+ with_query_name [ ( column_name [, ...] ) ] AS ( select | insert | update | delete )
+
***************
*** 80,85 **** UPDATE [ ONLY ] table [ [ AS ]
+ with_query
+
+
+ For information about with_query, see
+ .
+
+
+
+
table
*** a/src/backend/nodes/copyfuncs.c
--- b/src/backend/nodes/copyfuncs.c
***************
*** 2260,2265 **** _copyInsertStmt(InsertStmt *from)
--- 2260,2266 ----
COPY_NODE_FIELD(cols);
COPY_NODE_FIELD(selectStmt);
COPY_NODE_FIELD(returningList);
+ COPY_NODE_FIELD(withClause);
return newnode;
}
***************
*** 2273,2278 **** _copyDeleteStmt(DeleteStmt *from)
--- 2274,2280 ----
COPY_NODE_FIELD(usingClause);
COPY_NODE_FIELD(whereClause);
COPY_NODE_FIELD(returningList);
+ COPY_NODE_FIELD(withClause);
return newnode;
}
***************
*** 2287,2292 **** _copyUpdateStmt(UpdateStmt *from)
--- 2289,2295 ----
COPY_NODE_FIELD(whereClause);
COPY_NODE_FIELD(fromClause);
COPY_NODE_FIELD(returningList);
+ COPY_NODE_FIELD(withClause);
return newnode;
}
*** a/src/backend/nodes/equalfuncs.c
--- b/src/backend/nodes/equalfuncs.c
***************
*** 888,893 **** _equalInsertStmt(InsertStmt *a, InsertStmt *b)
--- 888,894 ----
COMPARE_NODE_FIELD(cols);
COMPARE_NODE_FIELD(selectStmt);
COMPARE_NODE_FIELD(returningList);
+ COMPARE_NODE_FIELD(withClause);
return true;
}
***************
*** 899,904 **** _equalDeleteStmt(DeleteStmt *a, DeleteStmt *b)
--- 900,906 ----
COMPARE_NODE_FIELD(usingClause);
COMPARE_NODE_FIELD(whereClause);
COMPARE_NODE_FIELD(returningList);
+ COMPARE_NODE_FIELD(withClause);
return true;
}
***************
*** 911,916 **** _equalUpdateStmt(UpdateStmt *a, UpdateStmt *b)
--- 913,919 ----
COMPARE_NODE_FIELD(whereClause);
COMPARE_NODE_FIELD(fromClause);
COMPARE_NODE_FIELD(returningList);
+ COMPARE_NODE_FIELD(withClause);
return true;
}
*** a/src/backend/parser/analyze.c
--- b/src/backend/parser/analyze.c
***************
*** 290,295 **** transformDeleteStmt(ParseState *pstate, DeleteStmt *stmt)
--- 290,302 ----
qry->distinctClause = NIL;
+ /* process the WITH clause */
+ if (stmt->withClause)
+ {
+ qry->hasRecursive = stmt->withClause->recursive;
+ qry->cteList = transformWithClause(pstate, stmt->withClause);
+ }
+
/*
* The USING clause is non-standard SQL syntax, and is equivalent in
* functionality to the FROM list that can be specified for UPDATE. The
***************
*** 342,347 **** transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
--- 349,361 ----
qry->commandType = CMD_INSERT;
pstate->p_is_insert = true;
+ /* process the WITH clause */
+ if (stmt->withClause)
+ {
+ qry->hasRecursive = stmt->withClause->recursive;
+ qry->cteList = transformWithClause(pstate, stmt->withClause);
+ }
+
/*
* We have three cases to deal with: DEFAULT VALUES (selectStmt == NULL),
* VALUES list, or general SELECT input. We special-case VALUES, both for
***************
*** 366,373 **** transformInsertStmt(ParseState *pstate, InsertStmt *stmt)
pstate->p_relnamespace = NIL;
sub_varnamespace = pstate->p_varnamespace;
pstate->p_varnamespace = NIL;
- /* There can't be any outer WITH to worry about */
- Assert(pstate->p_ctenamespace == NIL);
}
else
{
--- 380,385 ----
***************
*** 1735,1740 **** transformUpdateStmt(ParseState *pstate, UpdateStmt *stmt)
--- 1747,1759 ----
true,
ACL_UPDATE);
+ /* process the WITH clause */
+ if (stmt->withClause)
+ {
+ qry->hasRecursive = stmt->withClause->recursive;
+ qry->cteList = transformWithClause(pstate, stmt->withClause);
+ }
+
/*
* the FROM clause is non-standard SQL syntax. We used to be able to do
* this with REPLACE in POSTQUEL so we keep the feature.
*** a/src/backend/parser/gram.y
--- b/src/backend/parser/gram.y
***************
*** 429,435 **** static TypeName *TableFuncTypeName(List *columns);
%type xml_whitespace_option
%type common_table_expr
! %type with_clause
%type cte_list
%type window_clause window_definition_list opt_partition_clause
--- 429,435 ----
%type xml_whitespace_option
%type common_table_expr
! %type with_clause opt_with_clause
%type cte_list
%type window_clause window_definition_list opt_partition_clause
***************
*** 7071,7081 **** DeallocateStmt: DEALLOCATE name
*****************************************************************************/
InsertStmt:
! INSERT INTO qualified_name insert_rest returning_clause
{
! $4->relation = $3;
! $4->returningList = $5;
! $$ = (Node *) $4;
}
;
--- 7071,7082 ----
*****************************************************************************/
InsertStmt:
! opt_with_clause INSERT INTO qualified_name insert_rest returning_clause
{
! $5->relation = $4;
! $5->returningList = $6;
! $5->withClause = $1;
! $$ = (Node *) $5;
}
;
***************
*** 7131,7144 **** returning_clause:
*
*****************************************************************************/
! DeleteStmt: DELETE_P FROM relation_expr_opt_alias
using_clause where_or_current_clause returning_clause
{
DeleteStmt *n = makeNode(DeleteStmt);
! n->relation = $3;
! n->usingClause = $4;
! n->whereClause = $5;
! n->returningList = $6;
$$ = (Node *)n;
}
;
--- 7132,7146 ----
*
*****************************************************************************/
! DeleteStmt: opt_with_clause DELETE_P FROM relation_expr_opt_alias
using_clause where_or_current_clause returning_clause
{
DeleteStmt *n = makeNode(DeleteStmt);
! n->relation = $4;
! n->usingClause = $5;
! n->whereClause = $6;
! n->returningList = $7;
! n->withClause = $1;
$$ = (Node *)n;
}
;
***************
*** 7193,7210 **** opt_nowait: NOWAIT { $$ = TRUE; }
*
*****************************************************************************/
! UpdateStmt: UPDATE relation_expr_opt_alias
SET set_clause_list
from_clause
where_or_current_clause
returning_clause
{
UpdateStmt *n = makeNode(UpdateStmt);
! n->relation = $2;
! n->targetList = $4;
! n->fromClause = $5;
! n->whereClause = $6;
! n->returningList = $7;
$$ = (Node *)n;
}
;
--- 7195,7213 ----
*
*****************************************************************************/
! UpdateStmt: opt_with_clause UPDATE relation_expr_opt_alias
SET set_clause_list
from_clause
where_or_current_clause
returning_clause
{
UpdateStmt *n = makeNode(UpdateStmt);
! n->relation = $3;
! n->targetList = $5;
! n->fromClause = $6;
! n->whereClause = $7;
! n->returningList = $8;
! n->withClause = $1;
$$ = (Node *)n;
}
;
***************
*** 7530,7535 **** with_clause:
--- 7533,7542 ----
}
;
+ opt_with_clause:
+ with_clause { $$ = $1; }
+ | /*EMPTY*/ { $$ = NULL; }
+
cte_list:
common_table_expr { $$ = list_make1($1); }
| cte_list ',' common_table_expr { $$ = lappend($1, $3); }
*** a/src/include/nodes/parsenodes.h
--- b/src/include/nodes/parsenodes.h
***************
*** 880,885 **** typedef struct InsertStmt
--- 880,886 ----
List *cols; /* optional: names of the target columns */
Node *selectStmt; /* the source SELECT/VALUES, or NULL */
List *returningList; /* list of expressions to return */
+ WithClause *withClause; /* WITH clause */
} InsertStmt;
/* ----------------------
***************
*** 893,898 **** typedef struct DeleteStmt
--- 894,900 ----
List *usingClause; /* optional using clause for more tables */
Node *whereClause; /* qualifications */
List *returningList; /* list of expressions to return */
+ WithClause *withClause; /* WITH clause */
} DeleteStmt;
/* ----------------------
***************
*** 907,912 **** typedef struct UpdateStmt
--- 909,915 ----
Node *whereClause; /* qualifications */
List *fromClause; /* optional from clause for more tables */
List *returningList; /* list of expressions to return */
+ WithClause *withClause; /* WITH clause */
} UpdateStmt;
/* ----------------------