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Preliminary code review for domain CHECK constraints patch: add documentation,

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make VALUE a non-reserved word again, use less invasive method of passing
ConstraintTestValue into transformExpr, fix problems with nested constraint
testing, do correct thing with NULL result from a constraint expression,
remove memory leak.  Domain checks still need much more work if we are going
to allow ALTER DOMAIN, however.
This commit is contained in:
Tom Lane
2002-12-12 20:35:16 +00:00
parent ff7349694f
commit b0422b215c
28 changed files with 222 additions and 292 deletions
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4
src/include/parser/parse_expr.h
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@@ -7,7 +7,7 @@
* Portions Copyright (c) 1996-2002, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: parse_expr.h,v 1.29 2002/11/15 02:50:21 momjian Exp $
* $Id: parse_expr.h,v 1.30 2002/12/12 20:35:16 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -22,7 +22,7 @@ extern int max_expr_depth;
extern bool Transform_null_equals;
extern Node *transformExpr(ParseState *pstate, Node *expr, ConstraintTestValue *domVal);
extern Node *transformExpr(ParseState *pstate, Node *expr);
extern Oid exprType(Node *expr);
extern int32 exprTypmod(Node *expr);
extern bool exprIsLengthCoercion(Node *expr, int32 *coercedTypmod);