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Fix parse tree of DROP TRANSFORM and COMMENT ON TRANSFORM 

The plain C string language name needs to be wrapped in makeString() so
that the parse tree is copyable.  This is detectable by
-DCOPY_PARSE_PLAN_TREES.  Add a test case for the COMMENT case.

Also make the quoting in the error messages more consistent.

discovered by Tom Lane
This commit is contained in:
Peter Eisentraut 2015-05-18 22:55:14 -04:00
parent b82a7be603
commit 0779f2ba2d
6 changed files with 13 additions and 10 deletions
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7
contrib/hstore_plperl/expected/create_transform.out
View File

@ -23,21 +23,22 @@ CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION internal_in(
ERROR: first argument of transform function must be type "internal"
CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal)); -- ok
CREATE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal)); -- fail
ERROR: transform for type hstore language plperl already exists
ERROR: transform for type hstore language "plperl" already exists
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal), TO SQL WITH FUNCTION plperl_to_hstore(internal)); -- ok
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal)); -- ok
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (TO SQL WITH FUNCTION plperl_to_hstore(internal)); -- ok
COMMENT ON TRANSFORM FOR hstore LANGUAGE plperl IS 'test';
DROP TRANSFORM IF EXISTS FOR fake_type LANGUAGE plperl;
NOTICE: type "fake_type" does not exist, skipping
DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE fake_lang;
NOTICE: transform for type hstore language fake_lang does not exist, skipping
NOTICE: transform for type hstore language "fake_lang" does not exist, skipping
DROP TRANSFORM FOR foo LANGUAGE plperl;
ERROR: type "foo" does not exist
DROP TRANSFORM FOR hstore LANGUAGE foo;
ERROR: language "foo" does not exist
DROP TRANSFORM FOR hstore LANGUAGE plperl;
DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE plperl;
NOTICE: transform for type hstore language plperl does not exist, skipping
NOTICE: transform for type hstore language "plperl" does not exist, skipping
DROP FUNCTION hstore_to_plperl(val internal);
DROP FUNCTION plperl_to_hstore(val internal);
CREATE EXTENSION hstore_plperl;

2
contrib/hstore_plperl/sql/create_transform.sql
View File

@ -26,6 +26,8 @@ CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION h
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (FROM SQL WITH FUNCTION hstore_to_plperl(internal)); -- ok
CREATE OR REPLACE TRANSFORM FOR hstore LANGUAGE plperl (TO SQL WITH FUNCTION plperl_to_hstore(internal)); -- ok
COMMENT ON TRANSFORM FOR hstore LANGUAGE plperl IS 'test';
DROP TRANSFORM IF EXISTS FOR fake_type LANGUAGE plperl;
DROP TRANSFORM IF EXISTS FOR hstore LANGUAGE fake_lang;
DROP TRANSFORM FOR foo LANGUAGE plperl;

2
src/backend/catalog/objectaddress.c
View File

@ -770,7 +770,7 @@ get_object_address(ObjectType objtype, List *objname, List *objargs,
case OBJECT_TRANSFORM:
{
TypeName *typename = (TypeName *) linitial(objname);
char *langname = (char *) linitial(objargs);
char *langname = strVal(linitial(objargs));
Oid type_id = LookupTypeNameOid(NULL, typename, missing_ok);
Oid lang_id = get_language_oid(langname, missing_ok);

4
src/backend/commands/dropcmds.c
View File

@ -369,9 +369,9 @@ does_not_exist_skipping(ObjectType objtype, List *objname, List *objargs)
case OBJECT_TRANSFORM:
if (!type_in_list_does_not_exist_skipping(objname, &msg, &name))
{
msg = gettext_noop("transform for type %s language %s does not exist, skipping");
msg = gettext_noop("transform for type %s language \"%s\" does not exist, skipping");
name = TypeNameToString((TypeName *) linitial(objname));
args = (char *) linitial(objargs);
args = strVal(linitial(objargs));
}
break;
case OBJECT_TRIGGER:

2
src/backend/commands/functioncmds.c
View File

@ -1867,7 +1867,7 @@ CreateTransform(CreateTransformStmt *stmt)
if (!stmt->replace)
ereport(ERROR,
(errcode(ERRCODE_DUPLICATE_OBJECT),
errmsg("transform for type %s language %s already exists",
errmsg("transform for type %s language \"%s\" already exists",
format_type_be(typeid),
stmt->lang)));

6
src/backend/parser/gram.y
View File

@ -4112,7 +4112,7 @@ AlterExtensionContentsStmt:
n->action = $4;
n->objtype = OBJECT_TRANSFORM;
n->objname = list_make1($7);
n->objargs = list_make1($9);
n->objargs = list_make1(makeString($9));
$$ = (Node *)n;
}
| ALTER EXTENSION name add_drop TYPE_P Typename
@ -5773,7 +5773,7 @@ CommentStmt:
CommentStmt *n = makeNode(CommentStmt);
n->objtype = OBJECT_TRANSFORM;
n->objname = list_make1($5);
n->objargs = list_make1($7);
n->objargs = list_make1(makeString($7));
n->comment = $9;
$$ = (Node *) n;
}
@ -7389,7 +7389,7 @@ DropTransformStmt: DROP TRANSFORM opt_if_exists FOR Typename LANGUAGE name opt_d
DropStmt *n = makeNode(DropStmt);
n->removeType = OBJECT_TRANSFORM;
n->objects = list_make1(list_make1($5));
n->arguments = list_make1(list_make1($7));
n->arguments = list_make1(list_make1(makeString($7)));
n->behavior = $8;
n->missing_ok = $3;
$$ = (Node *)n;