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Add structure for subselects.

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Add field to support "WITH TIME ZONE".
This commit is contained in:
Thomas G. Lockhart
1997-09-01 06:04:59 +00:00
parent 570620c569
commit 1bf90bc7d3
2 changed files with 24 additions and 9 deletions
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5
src/include/nodes/nodes.h
View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: nodes.h,v 1.10 1997/08/31 11:43:08 vadim Exp $
* $Id: nodes.h,v 1.11 1997/09/01 06:04:57 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -206,7 +206,8 @@ typedef enum NodeTag {
T_TargetEntry,
T_RangeTblEntry,
T_SortClause,
T_GroupClause
T_GroupClause,
T_SubSelect
} NodeTag;
/*

28
src/include/nodes/parsenodes.h
View File

@@ -6,7 +6,7 @@
*
* Copyright (c) 1994, Regents of the University of California
*
* $Id: parsenodes.h,v 1.21 1997/08/31 11:43:09 vadim Exp $
* $Id: parsenodes.h,v 1.22 1997/09/01 06:04:59 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@@ -554,9 +554,9 @@ typedef struct CursorStmt {
List *targetList; /* the target list (of ResTarget) */
List *fromClause; /* the from clause */
Node *whereClause; /* qualifications */
List *groupClause; /* group by clause */
List *groupClause; /* group by clause */
List *sortClause; /* sort clause (a list of SortGroupBy's) */
} CursorStmt;
} CursorStmt;
/* ----------------------
* Select Statement
@@ -564,28 +564,42 @@ typedef struct CursorStmt {
*/
typedef struct RetrieveStmt {
NodeTag type;
char *unique; /* NULL, '*', or unique attribute name */
char *into; /* name of table (for select into
table) */
char *unique; /* NULL, '*', or unique attribute name */
char *into; /* name of table (for select into table) */
List *targetList; /* the target list (of ResTarget) */
List *fromClause; /* the from clause */
Node *whereClause; /* qualifications */
List *groupClause; /* group by clause */
Node *havingClause; /* having conditional-expression */
List *selectClause; /* subselect parameters */
List *sortClause; /* sort clause (a list of SortGroupBy's) */
} RetrieveStmt;
} RetrieveStmt;
/****************************************************************************
* Supporting data structures for Parse Trees
****************************************************************************/
/*
* SubSelect - specifies subselect parameters
*/
typedef struct SubSelect {
NodeTag type;
char *unique; /* NULL, '*', or unique attribute name */
List *targetList; /* the target list (of ResTarget) */
List *fromClause; /* the from clause */
Node *whereClause; /* qualifications */
List *groupClause; /* group by clause */
Node *havingClause; /* having conditional-expression */
} SubSelect;
/*
* TypeName - specifies a type in definitions
*/
typedef struct TypeName {
NodeTag type;
char *name; /* name of the type */
bool timezone; /* timezone specified? */
bool setof; /* is a set? */
List *arrayBounds; /* array bounds */
int typlen; /* length for char() and varchar() */