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Add unique constraint to tags and error handling

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This commit is contained in:
Alex Ling 2020-12-30 07:24:32 +00:00
parent 40a24f4247
commit 0f1d1099f6
1 changed files with 9 additions and 3 deletions
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12
src/storage.cr
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@ -36,7 +36,7 @@ class Storage
DB.open "sqlite3://#{@path}" do |db| DB.open "sqlite3://#{@path}" do |db|
begin begin
# v0.18.0 # v0.18.0
db.exec "create table tags (id text, tag text)" db.exec "create table tags (id text, tag text, unique (id, tag))"
db.exec "create index tags_id_idx on tags (id)" db.exec "create index tags_id_idx on tags (id)"
db.exec "create index tags_tag_idx on tags (tag)" db.exec "create index tags_tag_idx on tags (tag)"
@ -347,11 +347,17 @@ class Storage
end end
def add_tag(id : String, tag : String) def add_tag(id : String, tag : String)
err = nil
MainFiber.run do MainFiber.run do
get_db do |db| begin
db.exec "insert into tags values (?, ?)", id, tag get_db do |db|
db.exec "insert into tags values (?, ?)", id, tag
end
rescue e
err = e
end end
end end
raise err.not_nil! if err
end end
def delete_tag(id : String, tag : String) def delete_tag(id : String, tag : String)