diff --git a/README.md b/README.md index 6b96d67..0277dac 100644 --- a/README.md +++ b/README.md @@ -79,6 +79,7 @@ Boolean values can be one of: | Case Sensitive LIKE | `_cslike` | `boolean` | For more information see [PRAGMA case_sensitive_like](https://www.sqlite.org/pragma.html#pragma_case_sensitive_like) | | Defer Foreign Keys | `_defer_foreign_keys` \| `_defer_fk` | `boolean` | For more information see [PRAGMA defer_foreign_keys](https://www.sqlite.org/pragma.html#pragma_defer_foreign_keys) | | Foreign Keys | `_foreign_keys` \| `_fk` | `boolean` | For more information see [PRAGMA foreign_keys](https://www.sqlite.org/pragma.html#pragma_foreign_keys) | +| Ignore CHECK Constraints | `_ignore_check_constraints` | `boolean` | For more information see [PRAGMA ignore_check_constraints](https://www.sqlite.org/pragma.html#pragma_ignore_check_constraints) | | Mutex Locking | `_mutex` | | Specify mutex mode. | | Recursive Triggers | `_recursive_triggers` \| `_rt` | `boolean` | For more information see [PRAGMA recursive_triggers](https://www.sqlite.org/pragma.html#pragma_recursive_triggers) | | Shared-Cache Mode | `cache` | | Set cache mode for more information see [sqlite.org](https://www.sqlite.org/sharedcache.html) | diff --git a/sqlite3.go b/sqlite3.go index 56f26c1..dc8f373 100644 --- a/sqlite3.go +++ b/sqlite3.go @@ -816,6 +816,10 @@ func errorString(err Error) string { // _foreign_keys=Boolean | _fk=Boolean // Enable or disable enforcement of foreign keys. // +// _ignore_check_constraints=Boolean +// This pragma enables or disables the enforcement of CHECK constraints. +// The default setting is off, meaning that CHECK constraints are enforced by default. +// // _recursive_triggers=Boolean | _rt=Boolean // Enable or disable recursive triggers. // @@ -840,6 +844,7 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) { busyTimeout := 5000 caseSensitiveLike := -1 deferForeignKeys := -1 + ignoreCheckConstraints := -1 foreignKeys := -1 recursiveTriggers := -1 @@ -983,6 +988,21 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) { } } + // Ignore CHECK Constrains (_ignore_check_constraints) + // + // https://www.sqlite.org/pragma.html#pragma_ignore_check_constraints + // + if val := params.Get("_ignore_check_constraints"); val != "" { + switch strings.ToLower(val) { + case "0", "no", "false", "off": + ignoreCheckConstraints = 0 + case "1", "yes", "true", "on": + ignoreCheckConstraints = 1 + default: + return nil, fmt.Errorf("Invalid _ignore_check_constraints: %v, expecting boolean value of '0 1 false true no yes off on'", val) + } + } + // Recursive Triggers (_recursive_triggers) // // https://www.sqlite.org/pragma.html#pragma_recursive_triggers @@ -1071,6 +1091,14 @@ func (d *SQLiteDriver) Open(dsn string) (driver.Conn, error) { } } + // Ignore CHECK Constraints + if ignoreCheckConstraints > -1 { + if err := exec(fmt.Sprintf("PRAGMA ignore_check_constraints = %d;", ignoreCheckConstraints)); err != nil { + C.sqlite3_close_v2(db) + return nil, err + } + } + // Recursive Triggers if recursiveTriggers > -1 { if err := exec(fmt.Sprintf("PRAGMA recursive_triggers = %d;", recursiveTriggers)); err != nil {