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Add new tags data model

This commit is contained in:
Ben Visness 2021-11-10 10:19:22 -08:00
parent d10f0a2881
commit ffed86b33a
1 changed files with 29 additions and 7 deletions
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36
src/migration/migrations/2021-11-06T033930Z_PersonalProjects.go
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@ -28,7 +28,26 @@ func (m PersonalProjects) Description() string {
}
func (m PersonalProjects) Up(ctx context.Context, tx pgx.Tx) error {
_, err := tx.Exec(ctx, `
var err error
_, err = tx.Exec(ctx, `
CREATE TABLE tags (
id SERIAL NOT NULL PRIMARY KEY,
text VARCHAR(20) NOT NULL
);
ALTER TABLE tags
ADD CONSTRAINT tag_syntax CHECK (
text ~ '^([a-z0-9]+(-[a-z0-9]+)*)?$'
);
CREATE INDEX tags_by_text ON tags (text);
`)
if err != nil {
return oops.New(err, "failed to add tags table")
}
_, err = tx.Exec(ctx, `
ALTER TABLE handmade_project
DROP featurevotes,
DROP parent_id,
@ -46,7 +65,7 @@ func (m PersonalProjects) Up(ctx context.Context, tx pgx.Tx) error {
_, err = tx.Exec(ctx, `
ALTER TABLE handmade_project
ADD personal BOOLEAN NOT NULL DEFAULT TRUE,
ADD tag VARCHAR(20) NOT NULL DEFAULT '';
ADD tag INT REFERENCES tags (id);
`)
if err != nil {
return oops.New(err, "failed to add new fields")
@ -56,10 +75,7 @@ func (m PersonalProjects) Up(ctx context.Context, tx pgx.Tx) error {
ALTER TABLE handmade_project
ADD CONSTRAINT slug_syntax CHECK (
slug ~ '^([a-z0-9]+(-[a-z0-9]+)*)?$'
),
ADD CONSTRAINT tag_syntax CHECK (
tag ~ '^([a-z0-9]+(-[a-z0-9]+)*)?$'
)
);
`)
if err != nil {
return oops.New(err, "failed to add check constraints")
@ -82,7 +98,6 @@ func (m PersonalProjects) Down(ctx context.Context, tx pgx.Tx) error {
_, err = tx.Exec(ctx, `
ALTER TABLE handmade_project
DROP CONSTRAINT slug_syntax,
DROP CONSTRAINT tag_syntax,
DROP personal,
DROP tag,
ADD featurevotes INT NOT NULL DEFAULT 0,
@ -99,5 +114,12 @@ func (m PersonalProjects) Down(ctx context.Context, tx pgx.Tx) error {
return oops.New(err, "failed to revert personal project changes")
}
_, err = tx.Exec(ctx, `
DROP TABLE tags;
`)
if err != nil {
return oops.New(err, "failed to drop tags table")
}
return nil
}