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Portal and memory management infrastructure for extended query protocol.

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Both plannable queries and utility commands are now always executed
within Portals, which have been revamped so that they can handle the
load (they used to be good only for single SELECT queries).  Restructure
code to push command-completion-tag selection logic out of postgres.c,
so that it won't have to be duplicated between simple and extended queries.
initdb forced due to addition of a field to Query nodes.
This commit is contained in:
Tom Lane
2003-05-02 20:54:36 +00:00
parent 1940434f1e
commit de28dc9a04
33 changed files with 2210 additions and 1698 deletions
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3
src/backend/nodes/copyfuncs.c
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@@ -15,7 +15,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.248 2003/04/08 23:20:01 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/copyfuncs.c,v 1.249 2003/05/02 20:54:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -1476,6 +1476,7 @@ _copyQuery(Query *from)
COPY_SCALAR_FIELD(commandType);
COPY_SCALAR_FIELD(querySource);
COPY_SCALAR_FIELD(canSetTag);
COPY_NODE_FIELD(utilityStmt);
COPY_SCALAR_FIELD(resultRelation);
COPY_NODE_FIELD(into);

3
src/backend/nodes/equalfuncs.c
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@@ -18,7 +18,7 @@
* Portions Copyright (c) 1994, Regents of the University of California
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.191 2003/04/08 23:20:01 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/equalfuncs.c,v 1.192 2003/05/02 20:54:34 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -566,6 +566,7 @@ _equalQuery(Query *a, Query *b)
{
COMPARE_SCALAR_FIELD(commandType);
COMPARE_SCALAR_FIELD(querySource);
COMPARE_SCALAR_FIELD(canSetTag);
COMPARE_NODE_FIELD(utilityStmt);
COMPARE_SCALAR_FIELD(resultRelation);
COMPARE_NODE_FIELD(into);

3
src/backend/nodes/outfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.203 2003/04/24 21:16:43 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/outfuncs.c,v 1.204 2003/05/02 20:54:34 tgl Exp $
*
* NOTES
* Every node type that can appear in stored rules' parsetrees *must*
@@ -1177,6 +1177,7 @@ _outQuery(StringInfo str, Query *node)
WRITE_ENUM_FIELD(commandType, CmdType);
WRITE_ENUM_FIELD(querySource, QuerySource);
WRITE_BOOL_FIELD(canSetTag);
/*
* Hack to work around missing outfuncs routines for a lot of the

3
src/backend/nodes/readfuncs.c
View File

@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.151 2003/04/08 23:20:01 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/nodes/readfuncs.c,v 1.152 2003/05/02 20:54:34 tgl Exp $
*
* NOTES
* Path and Plan nodes do not have any readfuncs support, because we
@@ -195,6 +195,7 @@ _readQuery(void)
READ_ENUM_FIELD(commandType, CmdType);
READ_ENUM_FIELD(querySource, QuerySource);
READ_BOOL_FIELD(canSetTag);
READ_NODE_FIELD(utilityStmt);
READ_INT_FIELD(resultRelation);
READ_NODE_FIELD(into);