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A little further progress on schemas: push down RangeVars into

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addRangeTableEntry calls.  Remove relname field from RTEs, since
it will no longer be a useful unique identifier of relations;
we want to encourage people to rely on the relation OID instead.
Further work on dumping qual expressions in EXPLAIN, too.
This commit is contained in:
Tom Lane
2002-03-22 02:56:37 +00:00
parent 56c9b73c1d
commit 108a0ec87d
33 changed files with 496 additions and 312 deletions
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4
src/include/nodes/makefuncs.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: makefuncs.h,v 1.32 2002/03/21 16:01:43 tgl Exp $
* $Id: makefuncs.h,v 1.33 2002/03/22 02:56:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -48,4 +48,6 @@ extern Alias *makeAlias(const char *aliasname, List *colnames);
extern RelabelType *makeRelabelType(Node *arg, Oid rtype, int32 rtypmod);
extern RangeVar *makeRangeVar(char *schemaname, char *relname);
#endif /* MAKEFUNC_H */

3
src/include/nodes/nodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.102 2002/03/21 16:01:44 tgl Exp $
* $Id: nodes.h,v 1.103 2002/03/22 02:56:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -153,7 +153,6 @@ typedef enum NodeTag
T_ClusterStmt,
T_CopyStmt,
T_CreateStmt,
T_VersionStmt,
T_DefineStmt,
T_DropStmt,
T_TruncateStmt,

22
src/include/nodes/parsenodes.h
View File

@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parsenodes.h,v 1.163 2002/03/21 16:01:46 tgl Exp $
* $Id: parsenodes.h,v 1.164 2002/03/22 02:56:36 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -475,7 +475,7 @@ typedef struct TargetEntry
* eref is the table reference name and column reference names (either
* real or aliases). Note that system columns (OID etc) are not included
* in the column list.
* eref->relname is required to be present, and should generally be used
* eref->aliasname is required to be present, and should generally be used
* to identify the RTE for error messages etc.
*
* inh is TRUE for relation references that should be expanded to include
@@ -521,9 +521,8 @@ typedef struct RangeTblEntry
*/
/*
* Fields valid for a plain relation RTE (else NULL/zero):
* Fields valid for a plain relation RTE (else zero):
*/
char *relname; /* real name of the relation */
Oid relid; /* OID of the relation */
/*
@@ -532,7 +531,7 @@ typedef struct RangeTblEntry
Query *subquery; /* the sub-query */
/*
* Fields valid for a join RTE (else NULL):
* Fields valid for a join RTE (else NULL/zero):
*
* joincoltypes/joincoltypmods identify the column datatypes of the
* join result. joinleftcols and joinrightcols identify the source
@@ -1057,19 +1056,6 @@ typedef struct CreateSeqStmt
List *options;
} CreateSeqStmt;
/* ----------------------
* Create Version Statement
* ----------------------
*/
typedef struct VersionStmt
{
NodeTag type;
char *relname; /* the new relation */
int direction; /* FORWARD | BACKWARD */
char *fromRelname; /* relation to create a version */
char *date; /* date of the snapshot */
} VersionStmt;
/* ----------------------
* Create {Operator|Type|Aggregate} Statement
* ----------------------