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ed46224573
* Add SQLite support, fix un-thread-safe DB caches, small performance fixes Signed-off-by: kim (grufwub) <grufwub@gmail.com> * add SQLite licenses to README Signed-off-by: kim (grufwub) <grufwub@gmail.com> * appease the linter, and fix my dumbass-ery Signed-off-by: kim (grufwub) <grufwub@gmail.com> * make requested changes Signed-off-by: kim (grufwub) <grufwub@gmail.com> * add back comment Signed-off-by: kim (grufwub) <grufwub@gmail.com>
37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
/*
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GoToSocial
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Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package bundb
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import (
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"github.com/uptrace/bun"
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)
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// whereEmptyOrNull is a convenience function to return a bun WhereGroup that specifies
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// that the given column should be EITHER an empty string OR null.
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//
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// Use it as follows:
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//
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// q = q.WhereGroup(" AND ", whereEmptyOrNull("whatever_column"))
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func whereEmptyOrNull(column string) func(*bun.SelectQuery) *bun.SelectQuery {
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return func(q *bun.SelectQuery) *bun.SelectQuery {
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return q.
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WhereOr("? IS NULL", bun.Ident(column)).
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WhereOr("? = ''", bun.Ident(column))
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}
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}
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