diff options
Diffstat (limited to 'src/include/nodes/parsenodes.h')
| -rw-r--r-- | src/include/nodes/parsenodes.h | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/include/nodes/parsenodes.h b/src/include/nodes/parsenodes.h index ffa6055a57a..0c3aecfa6e6 100644 --- a/src/include/nodes/parsenodes.h +++ b/src/include/nodes/parsenodes.h @@ -13,7 +13,7 @@ * Portions Copyright (c) 1996-2010, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.428 2010/02/08 04:33:54 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.429 2010/02/12 17:33:20 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -393,6 +393,8 @@ typedef struct WindowDef List *partitionClause; /* PARTITION BY expression list */ List *orderClause; /* ORDER BY (list of SortBy) */ int frameOptions; /* frame_clause options, see below */ + Node *startOffset; /* expression for starting bound, if any */ + Node *endOffset; /* expression for ending bound, if any */ int location; /* parse location, or -1 if none/unknown */ } WindowDef; @@ -414,6 +416,15 @@ typedef struct WindowDef #define FRAMEOPTION_END_UNBOUNDED_FOLLOWING 0x00080 /* end is U. F. */ #define FRAMEOPTION_START_CURRENT_ROW 0x00100 /* start is C. R. */ #define FRAMEOPTION_END_CURRENT_ROW 0x00200 /* end is C. R. */ +#define FRAMEOPTION_START_VALUE_PRECEDING 0x00400 /* start is V. P. */ +#define FRAMEOPTION_END_VALUE_PRECEDING 0x00800 /* end is V. P. */ +#define FRAMEOPTION_START_VALUE_FOLLOWING 0x01000 /* start is V. F. */ +#define FRAMEOPTION_END_VALUE_FOLLOWING 0x02000 /* end is V. F. */ + +#define FRAMEOPTION_START_VALUE \ + (FRAMEOPTION_START_VALUE_PRECEDING | FRAMEOPTION_START_VALUE_FOLLOWING) +#define FRAMEOPTION_END_VALUE \ + (FRAMEOPTION_END_VALUE_PRECEDING | FRAMEOPTION_END_VALUE_FOLLOWING) #define FRAMEOPTION_DEFAULTS \ (FRAMEOPTION_RANGE | FRAMEOPTION_START_UNBOUNDED_PRECEDING | \ @@ -799,6 +810,8 @@ typedef struct WindowClause List *partitionClause; /* PARTITION BY list */ List *orderClause; /* ORDER BY list */ int frameOptions; /* frame_clause options, see WindowDef */ + Node *startOffset; /* expression for starting bound, if any */ + Node *endOffset; /* expression for ending bound, if any */ Index winref; /* ID referenced by window functions */ bool copiedOrder; /* did we copy orderClause from refname? */ } WindowClause; |