diff options
Diffstat (limited to 'src/include/nodes/execnodes.h')
| -rw-r--r-- | src/include/nodes/execnodes.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/include/nodes/execnodes.h b/src/include/nodes/execnodes.h index e8352799744..17e27969f53 100644 --- a/src/include/nodes/execnodes.h +++ b/src/include/nodes/execnodes.h @@ -7,7 +7,7 @@ * Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: execnodes.h,v 1.96 2003/03/09 02:19:13 tgl Exp $ + * $Id: execnodes.h,v 1.97 2003/04/08 23:20:04 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -427,6 +427,10 @@ typedef struct AggrefExprState /* ---------------- * ArrayRefExprState node + * + * Note: array types can be fixed-length (typlen > 0), but only when the + * element type is itself fixed-length. Otherwise they are varlena structures + * and have typlen = -1. In any case, an array type is never pass-by-value. * ---------------- */ typedef struct ArrayRefExprState @@ -436,6 +440,10 @@ typedef struct ArrayRefExprState List *reflowerindexpr; ExprState *refexpr; ExprState *refassgnexpr; + int16 refattrlength; /* typlen of array type */ + int16 refelemlength; /* typlen of the array element type */ + bool refelembyval; /* is the element type pass-by-value? */ + char refelemalign; /* typalign of the element type */ } ArrayRefExprState; /* ---------------- @@ -541,6 +549,22 @@ typedef struct CaseWhenState } CaseWhenState; /* ---------------- + * ArrayExprState node + * + * Note: ARRAY[] expressions always produce varlena arrays, never fixed-length + * arrays. + * ---------------- + */ +typedef struct ArrayExprState +{ + ExprState xprstate; + List *elements; /* states for child nodes */ + int16 elemlength; /* typlen of the array element type */ + bool elembyval; /* is the element type pass-by-value? */ + char elemalign; /* typalign of the element type */ +} ArrayExprState; + +/* ---------------- * CoalesceExprState node * ---------------- */ |