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Do type conversion to match columns in UNION clauses.

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Currently force the type to match the _first_ select in the union.
Move oper_select_candidate() from parse_func.c to parse_oper.c.
Throw error inside of oper_inexact() if no match for binary operators.
Check more carefully that types can be coerced
 even if there is only one candidate operator in oper_inexact().
Fix up error messages for more uniform look.
Remove unused code.
Fix up comments.
This commit is contained in:
Thomas G. Lockhart
1998-05-29 14:00:24 +00:00
parent 329083a97e
commit 8536c96261
8 changed files with 542 additions and 1004 deletions
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4
src/backend/parser/parse_coerce.c
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@ -7,7 +7,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.1 1998/05/09 23:29:53 thomas Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/parse_coerce.c,v 2.2 1998/05/29 14:00:20 thomas Exp $
*
*-------------------------------------------------------------------------
*/
@ -319,7 +319,7 @@ IsPreferredType(CATEGORY category, Oid type)
/* PreferredType()
* Assign a category to the specified OID.
* Return the preferred type OID for the specified category.
*/
Oid
PreferredType(CATEGORY category, Oid type)