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| author | Dean Rasheed <dean.a.rasheed@gmail.com> | 2022-07-20 09:29:42 +0100 |
|---|---|---|
| committer | Dean Rasheed <dean.a.rasheed@gmail.com> | 2022-07-20 09:29:42 +0100 |
| commit | bcedd8f5fce0b69970cf0cee7bca560833d05869 (patch) | |
| tree | c37888d24735977b7a0463b0277c1cbe459ac69f /src/interfaces | |
| parent | 1caf915ff31e91031f0a0b8e1016df2b59d6f9de (diff) | |
| download | postgresql-bcedd8f5fce0b69970cf0cee7bca560833d05869.tar.gz postgresql-bcedd8f5fce0b69970cf0cee7bca560833d05869.zip | |
Make subquery aliases optional in the FROM clause.
This allows aliases for sub-SELECTs and VALUES clauses in the FROM
clause to be omitted.
This is an extension of the SQL standard, supported by some other
database systems, and so eases the transition from such systems, as
well as removing the minor inconvenience caused by requiring these
aliases.
Patch by me, reviewed by Tom Lane.
Discussion: https://postgr.es/m/CAEZATCUCGCf82=hxd9N5n6xGHPyYpQnxW8HneeH+uP7yNALkWA@mail.gmail.com
Diffstat (limited to 'src/interfaces')
| -rw-r--r-- | src/interfaces/ecpg/preproc/ecpg.addons | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/src/interfaces/ecpg/preproc/ecpg.addons b/src/interfaces/ecpg/preproc/ecpg.addons index 94f7d4a3ec2..e94da2a3f8d 100644 --- a/src/interfaces/ecpg/preproc/ecpg.addons +++ b/src/interfaces/ecpg/preproc/ecpg.addons @@ -449,12 +449,6 @@ ECPG: into_clauseINTOOptTempTableName block $$= cat2_str(mm_strdup("into"), $2); } | ecpg_into { $$ = EMPTY; } -ECPG: table_refselect_with_parensopt_alias_clause addon - if ($2 == NULL) - mmerror(PARSE_ERROR, ET_ERROR, "subquery in FROM must have an alias"); -ECPG: table_refLATERAL_Pselect_with_parensopt_alias_clause addon - if ($3 == NULL) - mmerror(PARSE_ERROR, ET_ERROR, "subquery in FROM must have an alias"); ECPG: TypenameSimpleTypenameopt_array_bounds block { $$ = cat2_str($1, $2.str); } ECPG: TypenameSETOFSimpleTypenameopt_array_bounds block |