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Store array colums as CSV text

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This is in preparation for a transition to SQLite, which sadly does
not support array-valued columns (or indeed have much of a type
system in general).
This commit is contained in:
Tau
2019-11-06 17:28:30 -05:00
parent 3e6b4f4798
commit 30d42bd832
5 changed files with 30 additions and 11 deletions
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schema/init/idz.sql
+3 -3
View File
@@ -57,7 +57,7 @@ create table "idz_car" (
"selector" integer not null,
"field_00" integer not null,
"field_02" integer not null,
"field_04" integer[] not null,
"field_04" text not null,
"field_46" integer not null,
"field_48" integer not null,
"field_4a" integer not null,
@@ -147,7 +147,7 @@ create table "idz_ta_result" (
on delete cascade,
"route_no" smallint not null,
"total_time" float not null,
"section_times" float[] not null,
"section_times" text not null,
"flags" smallint not null,
"grade" smallint not null,
"car_selector" integer not null,
@@ -161,7 +161,7 @@ create table "idz_ta_best" (
on delete cascade,
"route_no" smallint not null,
"total_time" float not null,
"section_times" float[] not null,
"section_times" text not null,
"flags" smallint not null,
"grade" smallint not null, -- TODO enum
"car_selector" integer not null,
schema/init/meta.sql
+1 -1
View File
@@ -1,2 +1,2 @@
create table "meta" ("schemaver" integer not null);
insert into "meta" values (5);
insert into "meta" values (6);
schema/migrate/M0006-flatten-arrays.sql
+19
View File
@@ -0,0 +1,19 @@
alter table "idz_car" rename column "field_04" to "tmp";
alter table "idz_car" add column "field_04" text;
update "idz_car" set "field_04" = array_to_string("tmp", ',');
alter table "idz_car" alter column "field_04" set not null;
alter table "idz_car" drop column "tmp";
alter table "idz_ta_result" rename column "section_times" to "tmp";
alter table "idz_ta_result" add column "section_times" text;
update "idz_ta_result" set "section_times" = array_to_string("tmp", ',');
alter table "idz_ta_result" alter column "section_times" set not null;
alter table "idz_ta_result" drop column "tmp";
alter table "idz_ta_best" rename column "section_times" to "tmp";
alter table "idz_ta_best" add column "section_times" text;
update "idz_ta_best" set "section_times" = array_to_string("tmp", ',');
alter table "idz_ta_best" alter column "section_times" set not null;
alter table "idz_ta_best" drop column "tmp";
update "meta" set "schemaver" = 6;