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Add SQLiteRows.DeclTypes() method

This commit is contained in:
Zac Medico 2016-03-06 12:27:17 -08:00
parent 45f056ca8f
commit f544db98cc
1 changed files with 12 additions and 6 deletions
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18
sqlite3.go
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@ -893,6 +893,17 @@ func (rc *SQLiteRows) Columns() []string {
return rc.cols return rc.cols
} }
// Return column types.
func (rc *SQLiteRows) DeclTypes() []string {
if rc.decltype == nil {
rc.decltype = make([]string, rc.nc)
for i := 0; i < rc.nc; i++ {
rc.decltype[i] = strings.ToLower(C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))))
}
}
return rc.decltype
}
// Move cursor to next. // Move cursor to next.
func (rc *SQLiteRows) Next(dest []driver.Value) error { func (rc *SQLiteRows) Next(dest []driver.Value) error {
rv := C.sqlite3_step(rc.s.s) rv := C.sqlite3_step(rc.s.s)
@ -907,12 +918,7 @@ func (rc *SQLiteRows) Next(dest []driver.Value) error {
return nil return nil
} }
if rc.decltype == nil { rc.DeclTypes()
rc.decltype = make([]string, rc.nc)
for i := 0; i < rc.nc; i++ {
rc.decltype[i] = strings.ToLower(C.GoString(C.sqlite3_column_decltype(rc.s.s, C.int(i))))
}
}
for i := range dest { for i := range dest {
switch C.sqlite3_column_type(rc.s.s, C.int(i)) { switch C.sqlite3_column_type(rc.s.s, C.int(i)) {