demo: sqlite
This commit is contained in:
xushiwei
@@ -32,46 +32,6 @@ const (
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LLGoPackage = "noinit,link"
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)
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// -----------------------------------------------------------------------------
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type Errno Int
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const (
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OK Errno = 0 // Successful result
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Error Errno = 1 // Generic error
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ErrInternal Errno = 2 // Internal logic error in SQLite
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ErrPerm Errno = 3 // Access permission denied
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ErrAbort Errno = 4 // Callback routine requested an abort
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ErrBusy Errno = 5 // The database file is locked
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ErrLocked Errno = 6 // A table in the database is locked
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ErrNomem Errno = 7 // A malloc() failed
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ErrReadOnly Errno = 8 // Attempt to write a readonly database
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ErrInterrupt Errno = 9 // Operation terminated by sqlite3_interrupt()
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ErrIo Errno = 10 // Some kind of disk I/O error occurred
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ErrCorrupt Errno = 11 // The database disk image is malformed
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ErrNotfound Errno = 12 // Unknown opcode in sqlite3_file_control()
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ErrFull Errno = 13 // Insertion failed because database is full
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ErrCantopen Errno = 14 // Unable to open the database file
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ErrProtocol Errno = 15 // Database lock protocol error
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_ErrEmpty Errno = 16 // Internal use only
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ErrSchema Errno = 17 // The database schema changed
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ErrToobig Errno = 18 // String or BLOB exceeds size limit
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ErrConstraint Errno = 19 // Abort due to constraint violation
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ErrMismatch Errno = 20 // Data type mismatch
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ErrMisuse Errno = 21 // Library used incorrectly
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ErrNolfs Errno = 22 // Uses OS features not supported on host
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ErrAuth Errno = 23 // Authorization denied
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_ErrFormat Errno = 24 // Not used
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ErrRange Errno = 25 // 2nd parameter to sqlite3_bind out of range
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ErrNotadb Errno = 26 // File opened that is not a database file
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ErrNotice Errno = 27 // Notifications from sqlite3_log()
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ErrWarning Errno = 28 // Warnings from sqlite3_log()
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ErrRow Errno = 100 // sqlite3_step() has another row ready
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ErrDone Errno = 101 // sqlite3_step() has finished executing
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)
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// -----------------------------------------------------------------------------
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// llgo:type C
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type Sqlite3 struct {
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}
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@@ -82,6 +42,58 @@ type Stmt struct {
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// -----------------------------------------------------------------------------
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type Errno Int
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const (
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OK Errno = 0 // Successful result
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Error Errno = 1 // Generic error
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ErrInternal Errno = 2 // Internal logic error in SQLite
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ErrPerm Errno = 3 // Access permission denied
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ErrAbort Errno = 4 // Callback routine requested an abort
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ErrBusy Errno = 5 // The database file is locked
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ErrLocked Errno = 6 // A table in the database is locked
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ErrNomem Errno = 7 // A malloc() failed
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ErrReadOnly Errno = 8 // Attempt to write a readonly database
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ErrInterrupt Errno = 9 // Operation terminated by sqlite3_interrupt()
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ErrIo Errno = 10 // Some kind of disk I/O error occurred
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ErrCorrupt Errno = 11 // The database disk image is malformed
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ErrNotfound Errno = 12 // Unknown opcode in sqlite3_file_control()
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ErrFull Errno = 13 // Insertion failed because database is full
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ErrCantopen Errno = 14 // Unable to open the database file
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ErrProtocol Errno = 15 // Database lock protocol error
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_ErrEmpty Errno = 16 // Internal use only
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ErrSchema Errno = 17 // The database schema changed
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ErrToobig Errno = 18 // String or BLOB exceeds size limit
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ErrConstraint Errno = 19 // Abort due to constraint violation
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ErrMismatch Errno = 20 // Data type mismatch
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ErrMisuse Errno = 21 // Library used incorrectly
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ErrNolfs Errno = 22 // Uses OS features not supported on host
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ErrAuth Errno = 23 // Authorization denied
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_ErrFormat Errno = 24 // Not used
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ErrRange Errno = 25 // 2nd parameter to sqlite3_bind out of range
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ErrNotadb Errno = 26 // File opened that is not a database file
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ErrNotice Errno = 27 // Notifications from sqlite3_log()
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ErrWarning Errno = 28 // Warnings from sqlite3_log()
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HasRow Errno = 100 // sqlite3_step() has another row ready
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Done Errno = 101 // sqlite3_step() has finished executing
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)
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// llgo:link (Errno).Errstr C.sqlite3_errstr
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func (err Errno) Errstr() *Char { return nil }
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// llgo:link (*Sqlite3).Errmsg C.sqlite3_errmsg
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func (db *Sqlite3) Errmsg() *Char { return nil }
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// llgo:link (*Sqlite3).Errcode C.sqlite3_errcode
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func (db *Sqlite3) Errcode() Errno { return 0 }
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// llgo:link (*Sqlite3).ExtendedErrcode C.sqlite3_extended_errcode
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func (db *Sqlite3) ExtendedErrcode() Errno { return 0 }
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// -----------------------------------------------------------------------------
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//go:linkname doOpen C.sqlite3_open
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func doOpen(filename *Char, ppDb **Sqlite3) Errno
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@@ -134,12 +146,12 @@ func OpenV2(filename *Char, flags OpenFlags, zVfs *Char) (db *Sqlite3, err Errno
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// Closing A Database Connection
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//
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// llgo:link (*Sqlite3).Close C.sqlite3_close
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func (*Sqlite3) Close() Errno { return 0 }
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func (db *Sqlite3) Close() Errno { return 0 }
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// Closing A Database Connection
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//
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// llgo:link (*Sqlite3).CloseV2 C.sqlite3_close_v2
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func (*Sqlite3) CloseV2() Errno { return 0 }
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func (db *Sqlite3) CloseV2() Errno { return 0 }
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// -----------------------------------------------------------------------------
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@@ -168,22 +180,27 @@ const (
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)
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// Compiling An SQL Statement
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// tail: Pointer to unused portion of zSql
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func (db *Sqlite3) Prepare(sql string) (stmt *Stmt, tail *Char, err Errno) {
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err = db.doPrepare(c.GoStringData(sql), c.Int(len(sql)), &stmt, &tail)
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// tail: Pointer to unused portion of sql
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func (db *Sqlite3) Prepare(sql string, tail **Char) (stmt *Stmt, err Errno) {
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err = db.doPrepare(c.GoStringData(sql), c.Int(len(sql)), &stmt, tail)
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return
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}
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func (db *Sqlite3) PrepareV2(sql string) (stmt *Stmt, tail *Char, err Errno) {
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err = db.doPrepareV2(c.GoStringData(sql), c.Int(len(sql)), &stmt, &tail)
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func (db *Sqlite3) PrepareV2(sql string, tail **Char) (stmt *Stmt, err Errno) {
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err = db.doPrepareV2(c.GoStringData(sql), c.Int(len(sql)), &stmt, tail)
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return
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}
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func (db *Sqlite3) PrepareV3(sql string, flags PrepareFlags) (stmt *Stmt, tail *Char, err Errno) {
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err = db.doPrepareV3(c.GoStringData(sql), c.Int(len(sql)), flags, &stmt, &tail)
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func (db *Sqlite3) PrepareV3(sql string, flags PrepareFlags, tail **Char) (stmt *Stmt, err Errno) {
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err = db.doPrepareV3(c.GoStringData(sql), c.Int(len(sql)), flags, &stmt, tail)
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return
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}
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// Destroy A Prepared Statement Object
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//
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// llgo:link (*Stmt).Close C.sqlite3_finalize
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func (stmt *Stmt) Close() Errno { return 0 }
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// -----------------------------------------------------------------------------
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// llgo:link (*Stmt).BindInt C.sqlite3_bind_int
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@@ -192,15 +209,23 @@ func (*Stmt) BindInt(idx Int, val Int) Errno { return 0 }
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// llgo:link (*Stmt).BindInt64 C.sqlite3_bind_int64
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func (*Stmt) BindInt64(idx Int, val int64) Errno { return 0 }
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// llgo:link (*Stmt).doBindText C.sqlite3_bind_text
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func (*Stmt) doBindText(Int, *Char, Int, func(Pointer)) Errno { return 0 }
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const (
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Static Int = 0 // val is a static string
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Transient Int = -1 // val is a transient (temporary) string
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)
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func (stmt *Stmt) BindText(idx Int, val string, xDel func(Pointer)) Errno {
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return stmt.doBindText(idx, c.GoStringData(val), c.Int(len(val)), xDel)
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}
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// llgo:link (*Stmt).BindText C.sqlite3_bind_text
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func (*Stmt) BindText(idx Int, val *Char, lenOrKind Int, destructor func(Pointer)) Errno { return 0 }
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// -----------------------------------------------------------------------------
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// Reset A Prepared Statement Object
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//
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// llgo:link (*Stmt).Reset C.sqlite3_reset
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func (stmt *Stmt) Reset() Errno {
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return 0
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}
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// Evaluate An SQL Statement
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//
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// llgo:link (*Stmt).Step C.sqlite3_step
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@@ -208,12 +233,29 @@ func (*Stmt) Step() Errno { return 0 }
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// -----------------------------------------------------------------------------
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// llgo:link (*Stmt).ColumnCount C.sqlite3_column_count
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func (stmt *Stmt) ColumnCount() Int { return 0 }
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// llgo:link (*Stmt).ColumnName C.sqlite3_column_name
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func (stmt *Stmt) ColumnName(idx Int) *Char { return nil }
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// llgo:link (*Stmt).ColumnInt C.sqlite3_column_int
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func (stmt *Stmt) ColumnInt(idx Int) Int { return 0 }
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// llgo:link (*Stmt).ColumnInt64 C.sqlite3_column_int64
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func (stmt *Stmt) ColumnInt64(idx Int) int64 { return 0 }
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// llgo:link (*Stmt).ColumnText C.sqlite3_column_text
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func (stmt *Stmt) ColumnText(idx Int) *Char { return nil }
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// -----------------------------------------------------------------------------
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// One-Step Query Execution Interface
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//
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// llgo:link (*Sqlite3).Exec C.sqlite3_exec
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func (*Sqlite3) Exec(
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sql *Char, callback func(arg Pointer, resultCols Int, colVals, colNames **Char) Int,
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arg Pointer, errmsg *Char) Errno {
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arg Pointer, errmsg **Char) Errno {
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return 0
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}
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