database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-10-27 00:12:01 +03:00
Code Activity

Support window functions a la SQL:2008.

Browse Source 
Hitoshi Harada, with some kibitzing from Heikki and Tom.
This commit is contained in:
Tom Lane
2008-12-28 18:54:01 +00:00
parent 38e9348282
commit 95b07bc7f5
92 changed files with 6720 additions and 321 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
src/backend/commands/explain.c
View File

@@ -7,7 +7,7 @@
* Portions Copyright (c) 1994-5, Regents of the University of California
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.181 2008/11/19 01:10:23 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/explain.c,v 1.182 2008/12/28 18:53:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -590,6 +590,9 @@ explain_outNode(StringInfo str,
break;
}
break;
case T_WindowAgg:
pname = "WindowAgg";
break;
case T_Unique:
pname = "Unique";
break;

10
src/backend/commands/functioncmds.c
View File

@@ -10,7 +10,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.103 2008/12/18 18:20:33 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/functioncmds.c,v 1.104 2008/12/28 18:53:55 tgl Exp $
*
* DESCRIPTION
* These routines take the parse tree and pick out the
@@ -321,6 +321,10 @@ examine_parameter_list(List *parameters, Oid languageOid,
ereport(ERROR,
(errcode(ERRCODE_GROUPING_ERROR),
errmsg("cannot use aggregate function in parameter default value")));
if (pstate->p_hasWindowFuncs)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
errmsg("cannot use window function in parameter default value")));
*parameterDefaults = lappend(*parameterDefaults, def);
have_defaults = true;
@@ -1538,6 +1542,10 @@ CreateCast(CreateCastStmt *stmt)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("cast function must not be an aggregate function")));
if (procstruct->proiswindow)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),
errmsg("cast function must not be a window function")));
if (procstruct->proretset)
ereport(ERROR,
(errcode(ERRCODE_INVALID_OBJECT_DEFINITION),

6
src/backend/commands/prepare.c
View File

@@ -10,7 +10,7 @@
* Copyright (c) 2002-2008, PostgreSQL Global Development Group
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.93 2008/12/13 02:29:21 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/prepare.c,v 1.94 2008/12/28 18:53:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -347,6 +347,10 @@ EvaluateParams(PreparedStatement *pstmt, List *params,
ereport(ERROR,
(errcode(ERRCODE_GROUPING_ERROR),
errmsg("cannot use aggregate function in EXECUTE parameter")));
if (pstate->p_hasWindowFuncs)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
errmsg("cannot use window function in EXECUTE parameter")));
given_type_id = exprType(expr);

6
src/backend/commands/tablecmds.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.274 2008/12/15 21:35:31 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/tablecmds.c,v 1.275 2008/12/28 18:53:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -5506,6 +5506,10 @@ ATPrepAlterColumnType(List **wqueue,
ereport(ERROR,
(errcode(ERRCODE_GROUPING_ERROR),
errmsg("cannot use aggregate function in transform expression")));
if (pstate->p_hasWindowFuncs)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
errmsg("cannot use window function in transform expression")));
}
else
{

6
src/backend/commands/typecmds.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.127 2008/11/30 19:01:29 tgl Exp $
* $PostgreSQL: pgsql/src/backend/commands/typecmds.c,v 1.128 2008/12/28 18:53:55 tgl Exp $
*
* DESCRIPTION
* The "DefineFoo" routines take the parse tree and pick out the
@@ -2255,6 +2255,10 @@ domainAddConstraint(Oid domainOid, Oid domainNamespace, Oid baseTypeOid,
ereport(ERROR,
(errcode(ERRCODE_GROUPING_ERROR),
errmsg("cannot use aggregate function in check constraint")));
if (pstate->p_hasWindowFuncs)
ereport(ERROR,
(errcode(ERRCODE_WINDOWING_ERROR),
errmsg("cannot use window function in check constraint")));
/*
* Convert to string form for storage.