database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-15 19:21:59 +03:00
Code Activity

Allow per-column foreign data wrapper options.

Browse Source 
Shigeru Hanada, with fairly minor editing by me.
This commit is contained in:
Robert Haas
2011-08-05 13:24:03 -04:00
parent 68cbb9f4e7
commit c4096c7639
23 changed files with 407 additions and 47 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
src/backend/parser/gram.y
View File

@ -1769,6 +1769,15 @@ alter_table_cmd:
def->raw_default = $8;
$$ = (Node *)n;
}
/* ALTER FOREIGN TABLE <name> ALTER [COLUMN] <colname> OPTIONS */
| ALTER opt_column ColId alter_generic_options
{
AlterTableCmd *n = makeNode(AlterTableCmd);
n->subtype = AT_AlterColumnGenericOptions;
n->name = $3;
n->def = (Node *) $4;
$$ = (Node *)n;
}
/* ALTER TABLE <name> ADD CONSTRAINT ... */
| ADD_P TableConstraint
{
@ -2497,7 +2506,7 @@ TypedTableElement:
| TableConstraint { $$ = $1; }
;
columnDef: ColId Typename ColQualList
columnDef: ColId Typename create_generic_options ColQualList
{
ColumnDef *n = makeNode(ColumnDef);
n->colname = $1;
@ -2510,7 +2519,8 @@ columnDef: ColId Typename ColQualList
n->raw_default = NULL;
n->cooked_default = NULL;
n->collOid = InvalidOid;
SplitColQualList($3, &n->constraints, &n->collClause,
n->fdwoptions = $3;
SplitColQualList($4, &n->constraints, &n->collClause,
yyscanner);
$$ = (Node *)n;
}

25
src/backend/parser/parse_utilcmd.c
View File

@ -559,6 +559,31 @@ transformColumnDefinition(CreateStmtContext *cxt, ColumnDef *column)
break;
}
}
/*
* Generate ALTER FOREIGN TABLE ALTER COLUMN statement which adds
* per-column foreign data wrapper options for this column.
*/
if (column->fdwoptions != NIL)
{
AlterTableStmt *stmt;
AlterTableCmd *cmd;
cmd = makeNode(AlterTableCmd);
cmd->subtype = AT_AlterColumnGenericOptions;
cmd->name = column->colname;
cmd->def = (Node *) column->fdwoptions;
cmd->behavior = DROP_RESTRICT;
cmd->missing_ok = false;
stmt = makeNode(AlterTableStmt);
stmt->relation = cxt->relation;
stmt->cmds = NIL;
stmt->relkind = OBJECT_FOREIGN_TABLE;
stmt->cmds = lappend(stmt->cmds, cmd);
cxt->alist = lappend(cxt->alist, stmt);
}
}
/*