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Diffstat (limited to 'sqlite3.go')
-rw-r--r--sqlite3.go21
1 files changed, 21 insertions, 0 deletions
diff --git a/sqlite3.go b/sqlite3.go
index a66c7f7..d1ff406 100644
--- a/sqlite3.go
+++ b/sqlite3.go
@@ -1040,6 +1040,7 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
synchronousMode := "NORMAL"
writableSchema := -1
vfsName := ""
+ var cacheSize *int64
pos := strings.IndexRune(dsn, '?')
if pos >= 1 {
@@ -1363,6 +1364,18 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
}
}
+ // Cache size (_cache_size)
+ //
+ // https://sqlite.org/pragma.html#pragma_cache_size
+ //
+ if val := params.Get("_cache_size"); val != "" {
+ iv, err := strconv.ParseInt(val, 10, 64)
+ if err != nil {
+ return nil, fmt.Errorf("Invalid _cache_size: %v: %v", val, err)
+ }
+ cacheSize = &iv
+ }
+
if val := params.Get("vfs"); val != "" {
vfsName = val
}
@@ -1675,6 +1688,14 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) {
}
}
+ // Cache Size
+ if cacheSize != nil {
+ if err := exec(fmt.Sprintf("PRAGMA cache_size = %d;", *cacheSize)); err != nil {
+ C.sqlite3_close_v2(db)
+ return nil, err
+ }
+ }
+
if len(d.Extensions) > 0 {
if err := conn.loadExtensions(d.Extensions); err != nil {
conn.Close()