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把序列函数转为小写

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This commit is contained in:
leiziwei
2024-03-07 16:37:29 +08:00
parent cdae0a6ce5
commit ecfb5d8cb2
3 changed files with 199 additions and 0 deletions
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57
src/common/backend/utils/adt/regproc.cpp
View File

@ -137,6 +137,12 @@ Datum regprocin(PG_FUNCTION_ARGS)
return regprocin_booststrap(pro_name_or_oid);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(pro_name_or_oid);
if(length > 0 && pro_name_or_oid[0] == '\"' && pro_name_or_oid[length-1] == '\"')
pro_name_or_oid = pg_strtolower(pro_name_or_oid);
}
/*
* Normal case: parse the name into components and see if it matches any
* pg_proc entries in the current search path.
@ -259,6 +265,19 @@ Datum regprocedurein(PG_FUNCTION_ARGS)
PG_RETURN_OID(result);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(pro_name_or_oid);
int count = 0;
if (length > 0) {
for(int i = 0; i< length; i++) {
if(pro_name_or_oid[i] == '\"')
count++;
}
if(count % 2 == 0)
pro_name_or_oid = pg_strtolower(pro_name_or_oid);
}
}
/*
* Else it's a name and arguments. Parse the name and arguments, look up
* potential matches in the current namespace search list, and scan to see
@ -662,6 +681,20 @@ Datum regoperatorin(PG_FUNCTION_ARGS)
PG_RETURN_OID(result);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(opr_name_or_oid);
int count = 0;
if (length > 0) {
for(int i = 0; i< length; i++) {
if(opr_name_or_oid[i] == '\"')
count++;
}
if(count % 2 == 0)
opr_name_or_oid = pg_strtolower(opr_name_or_oid);
}
}
/*
* Else it's a name and arguments. Parse the name and arguments, look up
* potential matches in the current namespace search list, and scan to see
@ -883,6 +916,12 @@ Datum regclassin(PG_FUNCTION_ARGS)
PG_RETURN_OID(result);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(class_name_or_oid);
if(length > 0 && class_name_or_oid[0] == '\"' && class_name_or_oid[length-1] == '\"')
class_name_or_oid = pg_strtolower(class_name_or_oid);
}
/*
* Normal case: parse the name into components and see if it matches any
* pg_class entries in the current search path.
@ -997,6 +1036,12 @@ Datum regtypein(PG_FUNCTION_ARGS)
PG_RETURN_OID(result);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(typ_name_or_oid);
if(length > 0 && typ_name_or_oid[0] == '\"' && typ_name_or_oid[length-1] == '\"')
typ_name_or_oid = pg_strtolower(typ_name_or_oid);
}
/* Else it's a type name, possibly schema-qualified or decorated */
/*
@ -1126,6 +1171,12 @@ Datum regconfigin(PG_FUNCTION_ARGS)
PG_RETURN_OID(result);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(cfg_name_or_oid);
if(length > 0 && cfg_name_or_oid[0] == '\"' && cfg_name_or_oid[length-1] == '\"')
cfg_name_or_oid = pg_strtolower(cfg_name_or_oid);
}
/*
* Normal case: parse the name into components and see if it matches any
* pg_ts_config entries in the current search path.
@ -1226,6 +1277,12 @@ Datum regdictionaryin(PG_FUNCTION_ARGS)
PG_RETURN_OID(result);
}
if (u_sess->attr.attr_sql.enable_ignore_case_in_dquotes) {
int length = strlen(dict_name_or_oid);
if(length > 0 && dict_name_or_oid[0] == '\"' && dict_name_or_oid[length-1] == '\"')
dict_name_or_oid = pg_strtolower(dict_name_or_oid);
}
/*
* Normal case: parse the name into components and see if it matches any
* pg_ts_dict entries in the current search path.

105
src/test/regress/expected/ignore_double_quotes.out
View File

@ -164,11 +164,115 @@ select * from t2_compfoo;
CREATE SEQUENCE s1 START 101 CACHE 20;
CREATE SEQUENCE "S1" START 801 CACHE 90;
drop sequence "S1";
set enable_ignore_case_in_dquotes=on;
WARNING: if tables with the same name but different case already
exists in the database, this will result in only being able to
manipulate tables with table names that are entirely lowercase.
CREATE SEQUENCE "SEQ11" START 101 CACHE 20;
SELECT nextval('"SEQ11"');
nextval
---------
101
(1 row)
select currval('"SEQ11"');
currval
---------
101
(1 row)
select setval('"SEQ11"', 1);
setval
--------
1
(1 row)
CREATE TYPE "cOMP" AS (f3 text, f4 int);
create function "BB"(b int, a "cOMP") returns int
as $$
begin
b=b+1;
return b;
end;
$$language plpgsql;
select regoperatorin('=(int,"inT")');
ERROR: type "int" does not exist
CONTEXT: referenced column: regoperatorin
select regdictionaryin('"dutch_steM"');
regdictionaryin
-----------------
dutch_stem
(1 row)
select regconfigin('"Simple"');
regconfigin
-------------
simple
(1 row)
select regprocin('"BB"');
regprocin
-----------
bb
(1 row)
select '"chAr"'::regtype;
regtype
---------
"char"
(1 row)
select regprocedure('"BB"(integer, "Comp")');
regprocedure
------------------
bb(integer,comp)
(1 row)
set enable_ignore_case_in_dquotes=off;
SELECT nextval('"SEQ11"');
ERROR: relation "SEQ11" does not exist
LINE 1: SELECT nextval('"SEQ11"');
^
CONTEXT: referenced column: nextval
select currval('"SEQ11"');
ERROR: relation "SEQ11" does not exist
LINE 1: select currval('"SEQ11"');
^
CONTEXT: referenced column: currval
select setval('"SEQ11"', 1);
ERROR: relation "SEQ11" does not exist
LINE 1: select setval('"SEQ11"', 1);
^
CONTEXT: referenced column: setval
select regoperatorin('=(int,"inT")');
ERROR: type "inT" does not exist
CONTEXT: referenced column: regoperatorin
select regdictionaryin('"dutch_steM"');
ERROR: text search dictionary "dutch_steM" does not exist
CONTEXT: referenced column: regdictionaryin
select regconfigin('"Simple"');
ERROR: text search configuration "Simple" does not exist
CONTEXT: referenced column: regconfigin
select regprocin('"BB"');
ERROR: function ""BB"" does not exist
CONTEXT: referenced column: regprocin
select '"chAr"'::regtype;
ERROR: type "chAr" does not exist
LINE 1: select '"chAr"'::regtype;
^
CONTEXT: referenced column: regtype
select regprocedure('"BB"(integer, "Comp")');
ERROR: type "Comp" does not exist
LINE 1: select regprocedure('"BB"(integer, "Comp")');
^
CONTEXT: referenced column: regprocedure
-- test enable_ignore_case_in_dquotes=on
set enable_ignore_case_in_dquotes=on;
WARNING: if tables with the same name but different case already
exists in the database, this will result in only being able to
manipulate tables with table names that are entirely lowercase.
drop function "BB";
drop TYPE "cOMP";
create table test1 ("A" int, 'a' int);-- error
ERROR: syntax error at or near "'a'"
LINE 1: create table test1 ("A" int, 'a' int);
@ -329,6 +433,7 @@ insert into ￥(￥,"$") values(7,8);
insert into "啊啊"("，",",") values(10,11);
-- clean
drop table TAB_quote;
drop sequence "SEQ11";
set enable_ignore_case_in_dquotes=off;
drop materialized view m_test_view;
drop materialized view "M_teSt_view";

37
src/test/regress/sql/ignore_double_quotes.sql
View File

@ -91,8 +91,44 @@ CREATE SEQUENCE s1 START 101 CACHE 20;
CREATE SEQUENCE "S1" START 801 CACHE 90;
drop sequence "S1";
set enable_ignore_case_in_dquotes=on;
CREATE SEQUENCE "SEQ11" START 101 CACHE 20;
SELECT nextval('"SEQ11"');
select currval('"SEQ11"');
select setval('"SEQ11"', 1);
CREATE TYPE "cOMP" AS (f3 text, f4 int);
create function "BB"(b int, a "cOMP") returns int
as $$
begin
b=b+1;
return b;
end;
$$language plpgsql;
select regoperatorin('=(int,"inT")');
select regdictionaryin('"dutch_steM"');
select regconfigin('"Simple"');
select regprocin('"BB"');
select '"chAr"'::regtype;
select regprocedure('"BB"(integer, "Comp")');
set enable_ignore_case_in_dquotes=off;
SELECT nextval('"SEQ11"');
select currval('"SEQ11"');
select setval('"SEQ11"', 1);
select regoperatorin('=(int,"inT")');
select regdictionaryin('"dutch_steM"');
select regconfigin('"Simple"');
select regprocin('"BB"');
select '"chAr"'::regtype;
select regprocedure('"BB"(integer, "Comp")');
-- test enable_ignore_case_in_dquotes=on
set enable_ignore_case_in_dquotes=on;
drop function "BB";
drop TYPE "cOMP";
create table test1 ("A" int, 'a' int);-- error
insert into test("A","a") values(2,3);-- error
@ -133,6 +169,7 @@ insert into "啊啊"("，",",") values(10,11);
-- clean
drop table TAB_quote;
drop sequence "SEQ11";
set enable_ignore_case_in_dquotes=off;
drop materialized view m_test_view;
drop materialized view "M_teSt_view";