diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index 475bc149d73..ccad1329a64 100644 --- a/src/include/nodes/primnodes.h +++ b/src/include/nodes/primnodes.h @@ -10,7 +10,7 @@ * Portions Copyright (c) 1996-2007, PostgreSQL Global Development Group * Portions Copyright (c) 1994, Regents of the University of California * - * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.128 2007/03/17 00:11:05 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.129 2007/03/27 23:21:12 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -551,6 +551,29 @@ typedef struct RelabelType } RelabelType; /* ---------------- + * ArrayCoerceExpr + * + * ArrayCoerceExpr represents a type coercion from one array type to another, + * which is implemented by applying the indicated element-type coercion + * function to each element of the source array. If elemfuncid is InvalidOid + * then the element types are binary-compatible, but the coercion still + * requires some effort (we have to fix the element type ID stored in the + * array header). + * ---------------- + */ + +typedef struct ArrayCoerceExpr +{ + Expr xpr; + Expr *arg; /* input expression (yields an array) */ + Oid elemfuncid; /* OID of element coercion function, or 0 */ + Oid resulttype; /* output type of coercion (an array type) */ + int32 resulttypmod; /* output typmod (also element typmod) */ + bool isExplicit; /* conversion semantics flag to pass to func */ + CoercionForm coerceformat; /* how to display this node */ +} ArrayCoerceExpr; + +/* ---------------- * ConvertRowtypeExpr * * ConvertRowtypeExpr represents a type coercion from one composite type |