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Infrastructure for deducing Param types from context, in the same way

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that the types of untyped string-literal constants are deduced (ie,
when coerce_type is applied to 'em, that's what the type must be).
Remove the ancient hack of storing the input Param-types array as a
global variable, and put the info into ParseState instead.  This touches
a lot of files because of adjustment of routine parameter lists, but
it's really not a large patch.  Note: PREPARE statement still insists on
exact specification of parameter types, but that could easily be relaxed
now, if we wanted to do so.
This commit is contained in:
Tom Lane
2003-04-29 22:13:11 +00:00
parent 19141f5584
commit aa282d4446
29 changed files with 442 additions and 247 deletions
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4
src/backend/commands/tablecmds.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.71 2003/04/21 15:19:55 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/commands/tablecmds.c,v 1.72 2003/04/29 22:13:08 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -2852,7 +2852,7 @@ AlterTableAddCheckConstraint(Relation rel, Constraint *constr)
/*
* Make sure it yields a boolean result.
*/
expr = coerce_to_boolean(expr, "CHECK");
expr = coerce_to_boolean(pstate, expr, "CHECK");
/*
* Make sure no outside relations are referred to.