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Enums (result codes, flags…)

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This commit is contained in:
Nuno Cruces
2023-01-16 12:54:24 +00:00
parent 1366541e77
commit c480512001
7 changed files with 183 additions and 41 deletions
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49
conn.go
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@@ -19,7 +19,11 @@ type Conn struct {
api sqliteAPI
}
func Open(name string, flags uint64, vfs string) (conn *Conn, err error) {
func Open(name string) (conn *Conn, err error) {
return OpenFlags(name, OPEN_READWRITE|OPEN_CREATE)
}
func OpenFlags(name string, flags OpenFlag) (conn *Conn, err error) {
once.Do(compile)
var fs fs.FS
@@ -53,7 +57,6 @@ func Open(name string, flags uint64, vfs string) (conn *Conn, err error) {
errstr: module.ExportedFunction("sqlite3_errstr"),
errmsg: module.ExportedFunction("sqlite3_errmsg"),
erroff: module.ExportedFunction("sqlite3_error_offset"),
errext: module.ExportedFunction("sqlite3_extended_errcode"),
open: module.ExportedFunction("sqlite3_open_v2"),
close: module.ExportedFunction("sqlite3_close"),
prepare: module.ExportedFunction("sqlite3_prepare_v3"),
@@ -75,16 +78,7 @@ func Open(name string, flags uint64, vfs string) (conn *Conn, err error) {
namePtr := c.newString(name)
connPtr := c.newBytes(ptrSize)
if flags == 0 {
flags = OPEN_READWRITE | OPEN_CREATE
}
var vfsPtr uint32
if vfs != "" {
vfsPtr = c.newString(vfs)
}
r, err := c.api.open.Call(ctx, uint64(namePtr), uint64(connPtr), flags, uint64(vfsPtr))
r, err := c.api.open.Call(ctx, uint64(namePtr), uint64(connPtr), uint64(flags), 0)
if err != nil {
return nil, err
}
@@ -92,9 +86,8 @@ func Open(name string, flags uint64, vfs string) (conn *Conn, err error) {
c.handle, _ = c.memory.ReadUint32Le(connPtr)
c.free(connPtr)
c.free(namePtr)
c.free(vfsPtr)
if r[0] != OK {
if r[0] != _OK {
return nil, c.error(r[0])
}
return &c, nil
@@ -106,7 +99,7 @@ func (c *Conn) Close() error {
return err
}
if r[0] != OK {
if r[0] != _OK {
return c.error(r[0])
}
return c.module.Close(context.TODO())
@@ -122,19 +115,23 @@ func (c *Conn) Exec(sql string) error {
c.free(sqlPtr)
if r[0] != OK {
if r[0] != _OK {
return c.error(r[0])
}
return nil
}
func (c *Conn) Prepare(sql string, flags uint64, args ...any) (stmt *Stmt, tail string, err error) {
func (c *Conn) Prepare(sql string) (stmt *Stmt, tail string, err error) {
return c.PrepareFlags(sql, 0)
}
func (c *Conn) PrepareFlags(sql string, flags PrepareFlag) (stmt *Stmt, tail string, err error) {
sqlPtr := c.newString(sql)
stmtPtr := c.newBytes(ptrSize)
tailPtr := c.newBytes(ptrSize)
r, err := c.api.prepare.Call(context.TODO(), uint64(c.handle),
uint64(sqlPtr), uint64(len(sql)+1), flags,
uint64(sqlPtr), uint64(len(sql)+1), uint64(flags),
uint64(stmtPtr), uint64(tailPtr))
if err != nil {
return nil, "", err
@@ -149,7 +146,7 @@ func (c *Conn) Prepare(sql string, flags uint64, args ...any) (stmt *Stmt, tail
c.free(stmtPtr)
c.free(sqlPtr)
if r[0] != OK {
if r[0] != _OK {
return nil, "", c.error(r[0])
}
if stmt.handle == 0 {
@@ -159,12 +156,15 @@ func (c *Conn) Prepare(sql string, flags uint64, args ...any) (stmt *Stmt, tail
}
func (c *Conn) error(rc uint64) *Error {
serr := Error{Code: int(rc)}
serr := Error{
Code: ErrorCode(rc & 0xFF),
ExtendedCode: ExtendedErrorCode(rc),
}
var r []uint64
// string
r, _ = c.api.errstr.Call(context.TODO(), uint64(rc))
r, _ = c.api.errstr.Call(context.TODO(), rc)
if r != nil {
serr.str = c.getString(uint32(r[0]), 512)
}
@@ -175,12 +175,6 @@ func (c *Conn) error(rc uint64) *Error {
serr.msg = c.getString(uint32(r[0]), 512)
}
// extended code
r, _ = c.api.errext.Call(context.TODO(), uint64(c.handle))
if r != nil {
serr.ExtendedCode = int(r[0])
}
if serr.str == serr.msg {
serr.msg = ""
}
@@ -247,7 +241,6 @@ type sqliteAPI struct {
free api.Function
errstr api.Function
errmsg api.Function
errext api.Function
erroff api.Function
open api.Function
close api.Function