database/openGauss-server
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

去掉ident_quote判断，当标识符和别名连续时，别名会覆盖标识符的ident_quote属性

Browse Source
This commit is contained in:
leiziwei
2024-03-19 17:44:59 +08:00
parent 409f78108e
commit 9e7bda0cde
3 changed files with 75 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
src/common/backend/parser/gram.y
View File

@ -29106,8 +29106,7 @@ SignedIconst: Iconst { $$ = $1; }
*/
ColId: IDENT
{
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes
&& (pg_yyget_extra(yyscanner))->core_yy_extra.ident_quoted)
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes)
{
$$ = pg_strtolower(pstrdup($1));
}

44
src/test/regress/expected/ignore_double_quotes.out
View File

@ -235,6 +235,50 @@ select regprocedure('"BB"(integer, "Comp")');
bb(integer,comp)
(1 row)
select col1 as "AS_COL1","Col2" AS_COL2 from "t_ignore_case_in_dquotes_use_case0001" where "COL1"=2;
as_col1 | as_col2
---------+---------
2 | two
(1 row)
select col1 as "AS_COL1","Col2" "AS_COL2" from "t_ignore_case_in_dquotes_use_case0001" where "COL1"=2;
as_col1 | as_col2
---------+---------
2 | two
(1 row)
select col1 as "AS_COL1" from "t_ignore_case_in_dquotes_use_case0001" aa where "COL1"=2;
as_col1
---------
2
(1 row)
select col1 as "AS_COL1" from "T_ignore_case_in_dquotes_use_case0001" aa where "COL1"=2;
as_col1
---------
2
(1 row)
create table t_ignore_case_in_dquotes_use_case0002_1(product_id integer,product_name varchar2(60),category varchar2(60));
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1501, 'vivitar 35mm', 'electrncs');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1502, 'olympus is50', 'electrncs');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1600, 'play gym', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1601, 'lamaze', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1666, 'harry potter', 'dvd');
create table t_ignore_case_in_dquotes_use_case0002_2(product_id integer,product_name varchar2(60),category varchar2(60));
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1502, 'olympus camera', 'electrncs');
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1601, 'lamaze', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1666, 'harry potter', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1700, 'wait interface', 'books');
merge into "T_IGNORE_CASE_IN_DQUOTES_USE_CASE0002_1" P
using "T_IGNORE_CASE_IN_DQUOTES_USE_CASE0002_2" NP
on (P."PRODUCT_ID" = NP."PRODUCT_ID")
when matched then
update set P."PRODUCT_NAME" = NP."PRODUCT_NAME", P."CATEGORY" = NP."CATEGORY" where P."PRODUCT_NAME" != 'play gym'
WHEN NOT MATCHED THEN
insert values (NP."PRODUCT_ID", NP."PRODUCT_NAME", NP."CATEGORY") where NP."CATEGORY" = 'books';
drop table t_ignore_case_in_dquotes_use_case0002_1;
drop table t_ignore_case_in_dquotes_use_case0002_2;
set enable_ignore_case_in_dquotes=off;
SELECT nextval('"SEQ11"');
ERROR: relation "SEQ11" does not exist

30
src/test/regress/sql/ignore_double_quotes.sql
View File

@ -119,6 +119,36 @@ select regprocin('"BB"');
select '"chAr"'::regtype;
select regprocedure('"BB"(integer, "Comp")');
select col1 as "AS_COL1","Col2" AS_COL2 from "t_ignore_case_in_dquotes_use_case0001" where "COL1"=2;
select col1 as "AS_COL1","Col2" "AS_COL2" from "t_ignore_case_in_dquotes_use_case0001" where "COL1"=2;
select col1 as "AS_COL1" from "t_ignore_case_in_dquotes_use_case0001" aa where "COL1"=2;
select col1 as "AS_COL1" from "T_ignore_case_in_dquotes_use_case0001" aa where "COL1"=2;
create table t_ignore_case_in_dquotes_use_case0002_1(product_id integer,product_name varchar2(60),category varchar2(60));
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1501, 'vivitar 35mm', 'electrncs');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1502, 'olympus is50', 'electrncs');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1600, 'play gym', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1601, 'lamaze', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_1 values (1666, 'harry potter', 'dvd');
create table t_ignore_case_in_dquotes_use_case0002_2(product_id integer,product_name varchar2(60),category varchar2(60));
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1502, 'olympus camera', 'electrncs');
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1601, 'lamaze', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1666, 'harry potter', 'toys');
insert into t_ignore_case_in_dquotes_use_case0002_2 values (1700, 'wait interface', 'books');
merge into "T_IGNORE_CASE_IN_DQUOTES_USE_CASE0002_1" P
using "T_IGNORE_CASE_IN_DQUOTES_USE_CASE0002_2" NP
on (P."PRODUCT_ID" = NP."PRODUCT_ID")
when matched then
update set P."PRODUCT_NAME" = NP."PRODUCT_NAME", P."CATEGORY" = NP."CATEGORY" where P."PRODUCT_NAME" != 'play gym'
WHEN NOT MATCHED THEN
insert values (NP."PRODUCT_ID", NP."PRODUCT_NAME", NP."CATEGORY") where NP."CATEGORY" = 'books';
drop table t_ignore_case_in_dquotes_use_case0002_1;
drop table t_ignore_case_in_dquotes_use_case0002_2;
set enable_ignore_case_in_dquotes=off;
SELECT nextval('"SEQ11"');
select currval('"SEQ11"');