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pg_cast table, and standards-compliant CREATE/DROP CAST commands, plus

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extension to create binary compatible casts.  Includes dependency tracking
as well.

pg_proc.proimplicit is now defunct, but will be removed in a separate
commit.

pg_dump provides a migration path from the previous scheme to declare
casts.  Dumping binary compatible casts is currently impossible, though.
This commit is contained in:
Peter Eisentraut
2002-07-18 23:11:32 +00:00
parent a345ac8842
commit 97377048b4
36 changed files with 1299 additions and 343 deletions
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12
src/backend/tcop/postgres.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.271 2002/07/18 16:47:25 tgl Exp $
* $Header: /cvsroot/pgsql/src/backend/tcop/postgres.c,v 1.272 2002/07/18 23:11:28 petere Exp $
*
* NOTES
* this is the "main" module of the postgres backend and
@ -1693,7 +1693,7 @@ PostgresMain(int argc, char *argv[], const char *username)
if (!IsUnderPostmaster)
{
puts("\nPOSTGRES backend interactive interface ");
puts("$Revision: 1.271 $ $Date: 2002/07/18 16:47:25 $\n");
puts("$Revision: 1.272 $ $Date: 2002/07/18 23:11:28 $\n");
}
/*
@ -2444,6 +2444,14 @@ CreateCommandTag(Node *parsetree)
tag = "CREATE CONVERSION";
break;
case T_CreateCastStmt:
tag = "CREATE CAST";
break;
case T_DropCastStmt:
tag = "DROP CAST";
break;
default:
elog(LOG, "CreateCommandTag: unknown parse node type %d",
nodeTag(parsetree));