diff options
Diffstat (limited to 'src/include/nodes/primnodes.h')
| -rw-r--r-- | src/include/nodes/primnodes.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/src/include/nodes/primnodes.h b/src/include/nodes/primnodes.h index ccad1329a6..a567a8e26d 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 1.129 2007/03/27 23:21:12 tgl Exp $ + * $PostgreSQL: pgsql/src/include/nodes/primnodes.h,v 1.130 2007/06/05 21:31:08 tgl Exp $ * *------------------------------------------------------------------------- */ @@ -551,6 +551,24 @@ typedef struct RelabelType } RelabelType; /* ---------------- + * CoerceViaIO + * + * CoerceViaIO represents a type coercion between two types whose textual + * representations are compatible, implemented by invoking the source type's + * typoutput function then the destination type's typinput function. + * ---------------- + */ + +typedef struct CoerceViaIO +{ + Expr xpr; + Expr *arg; /* input expression */ + Oid resulttype; /* output type of coercion */ + /* output typmod is not stored, but is presumed -1 */ + CoercionForm coerceformat; /* how to display this node */ +} CoerceViaIO; + +/* ---------------- * ArrayCoerceExpr * * ArrayCoerceExpr represents a type coercion from one array type to another, |