database/postgres
1
0
Fork 0
mirror of https://github.com/postgres/postgres.git synced 2025-07-02 09:02:37 +03:00
Code Activity

COPY (INSERT/UPDATE/DELETE .. RETURNING ..)

Browse Source 
Attached is a patch for being able to do COPY (query) without a CTE.

Author: Marko Tiikkaja
Review: Michael Paquier
This commit is contained in:
Teodor Sigaev
2015-11-27 19:11:22 +03:00
parent 0da3a9bef7
commit 92e38182d7
9 changed files with 284 additions and 24 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/backend/parser/gram.y
View File

@ -2561,9 +2561,12 @@ ClosePortalStmt:
*
* QUERY :
* COPY relname [(columnList)] FROM/TO file [WITH] [(options)]
* COPY ( SELECT ... ) TO file [WITH] [(options)]
* COPY ( query ) TO file [WITH] [(options)]
*
* where 'file' can be one of:
* where 'query' can be one of:
* { SELECT | UPDATE | INSERT | DELETE }
*
* and 'file' can be one of:
* { PROGRAM 'command' | STDIN | STDOUT | 'filename' }
*
* In the preferred syntax the options are comma-separated
@ -2574,7 +2577,7 @@ ClosePortalStmt:
* COPY [ BINARY ] table [ WITH OIDS ] FROM/TO file
* [ [ USING ] DELIMITERS 'delimiter' ] ]
* [ WITH NULL AS 'null string' ]
* This option placement is not supported with COPY (SELECT...).
* This option placement is not supported with COPY (query...).
*
*****************************************************************************/
@ -2607,16 +2610,16 @@ CopyStmt: COPY opt_binary qualified_name opt_column_list opt_oids
n->options = list_concat(n->options, $11);
$$ = (Node *)n;
}
| COPY select_with_parens TO opt_program copy_file_name opt_with copy_options
| COPY '(' PreparableStmt ')' TO opt_program copy_file_name opt_with copy_options
{
CopyStmt *n = makeNode(CopyStmt);
n->relation = NULL;
n->query = $2;
n->query = $3;
n->attlist = NIL;
n->is_from = false;
n->is_program = $4;
n->filename = $5;
n->options = $7;
n->is_program = $6;
n->filename = $7;
n->options = $9;
if (n->is_program && n->filename == NULL)
ereport(ERROR,