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Support type modifiers for user-defined types, and pull most knowledge

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about typmod representation for standard types out into type-specific
typmod I/O functions.  Teodor Sigaev, with some editorialization by
Tom Lane.
This commit is contained in:
Tom Lane
2006-12-30 21:21:56 +00:00
parent 24b1f14eae
commit 5725b9d9af
47 changed files with 1628 additions and 685 deletions
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7
src/include/nodes/parsenodes.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2006, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.335 2006/12/23 00:43:12 tgl Exp $
* $PostgreSQL: pgsql/src/include/nodes/parsenodes.h,v 1.336 2006/12/30 21:21:55 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -167,6 +167,8 @@ typedef struct Query
* For TypeName structures generated internally, it is often easier to
* specify the type by OID than by name. If "names" is NIL then the
* actual type OID is given by typeid, otherwise typeid is unused.
* Similarly, if "typmods" is NIL then the actual typmod is expected to
* be prespecified in typemod, otherwise typemod is unused.
*
* If pct_type is TRUE, then names is actually a field name and we look up
* the type of that field. Otherwise (the normal case), names is a type
@@ -180,7 +182,8 @@ typedef struct TypeName
bool timezone; /* timezone specified? */
bool setof; /* is a set? */
bool pct_type; /* %TYPE specified? */
int32 typmod; /* type modifier */
List *typmods; /* type modifier expression(s) */
int32 typemod; /* prespecified type modifier */
List *arrayBounds; /* array bounds */
int location; /* token location, or -1 if unknown */
} TypeName;