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Fix compatibility with some Postgres versions (#3986)

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use server_version_num instead of parsing the text version. See: https://www.postgresql.org/docs/10/static/functions-info.html
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Vitya
2018-02-16 20:52:34 +03:00
committed by Jeff Mitchell
parent d325b32a9d
commit 3a8ca5fec4
1 changed files with 1 additions and 1 deletions
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2
physical/postgresql/postgresql.go
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@@ -71,7 +71,7 @@ func NewPostgreSQLBackend(conf map[string]string, logger log.Logger) (physical.B
// Determine if we should use an upsert function (versions < 9.5) // Determine if we should use an upsert function (versions < 9.5)
var upsert_required bool var upsert_required bool
upsert_required_query := "SELECT string_to_array(setting, '.')::int[] < '{9,5}' FROM pg_settings WHERE name = 'server_version'" upsert_required_query := "SELECT current_setting('server_version_num')::int < 90500"
if err := db.QueryRow(upsert_required_query).Scan(&upsert_required); err != nil { if err := db.QueryRow(upsert_required_query).Scan(&upsert_required); err != nil {
return nil, fmt.Errorf("failed to check for native upsert: %v", err) return nil, fmt.Errorf("failed to check for native upsert: %v", err)
} }