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Fix creating index in mysql. #31

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merged 1 commit into from
May 27, 2020
Merged

Fix creating index in mysql. #31

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24 changes: 21 additions & 3 deletions sql.go
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Original file line number Diff line number Diff line change
Expand Up @@ -126,6 +126,15 @@ func (b *Backend) initSchema() error {
_, err = b.db.Exec(`
CREATE INDEX IF NOT EXISTS extKeys_uid_id
ON extKeys(uid, id)`)
// MySQL does not support "IF NOT EXISTS", but MariaDB does.
if err != nil && b.db.driver == "mysql" {
_, err = b.db.Exec(`
CREATE INDEX extKeys_uid_id
ON extKeys(uid, id)`)
if err != nil && strings.HasPrefix(err.Error(), "Error 1061: Duplicate key name") {
err = nil
}
}
if err != nil {
return wrapErr(err, "create index extKeys_uid_id")
}
Expand Down Expand Up @@ -167,6 +176,15 @@ func (b *Backend) initSchema() error {
_, err = b.db.Exec(`
CREATE INDEX IF NOT EXISTS seen_msgs
ON msgs(mboxId, seen)`)
// MySQL does not support "IF NOT EXISTS", but MariaDB does.
if err != nil && b.db.driver == "mysql" {
_, err = b.db.Exec(`
CREATE INDEX seen_msgs
ON msgs(mboxId, seen)`)
if err != nil && strings.HasPrefix(err.Error(), "Error 1061: Duplicate key name") {
err = nil
}
}
if err != nil {
return wrapErr(err, "create index seen_msgs")
}
Expand Down Expand Up @@ -648,7 +666,7 @@ func (b *Backend) prepareStmts() error {
b.decreaseRefForMarked, err = b.db.Prepare(`
UPDATE extKeys
SET refs = refs - 1
WHERE uid = ?
WHERE uid = ?
AND id IN (
SELECT extBodyKey
FROM msgs
Expand All @@ -660,7 +678,7 @@ func (b *Backend) prepareStmts() error {
b.decreaseRefForDeleted, err = b.db.Prepare(`
UPDATE extKeys
SET refs = refs - 1
WHERE uid = ?
WHERE uid = ?
AND id IN (
SELECT extBodyKey
FROM msgs
Expand Down Expand Up @@ -751,7 +769,7 @@ func (b *Backend) prepareStmts() error {
}

b.specialUseMbox, err = b.db.Prepare(`
SELECT name, id
SELECT name, id
FROM mboxes
WHERE uid = ?
AND specialuse = ?
Expand Down