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Fix handling of nil []byte as NULL values

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This fixes a regression introduced in 87412bbfa9b5b979ca4d4e8ba69c347819b9c4da,
which changed nil []byte values by storing them as zero-sized blobs, instead of
NULLs.

Closes #100
This commit is contained in:
Artyom Pervukhin
2022-05-18 23:48:36 +03:00
committed by glebarez
parent 980139ad3e
commit 8e88a000fe
2 changed files with 38 additions and 2 deletions
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6
sqlite.go
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@@ -1147,7 +1147,7 @@ func (c *conn) bindText(pstmt uintptr, idx1 int, value string) (uintptr, error)
// int sqlite3_bind_blob(sqlite3_stmt*, int, const void*, int n, void(*)(void*));
func (c *conn) bindBlob(pstmt uintptr, idx1 int, value []byte) (uintptr, error) {
if len(value) == 0 {
if value != nil && len(value) == 0 {
if rc := sqlite3.Xsqlite3_bind_zeroblob(c.tls, pstmt, int32(idx1), 0); rc != sqlite3.SQLITE_OK {
return 0, c.errstr(rc)
}
@@ -1158,7 +1158,9 @@ func (c *conn) bindBlob(pstmt uintptr, idx1 int, value []byte) (uintptr, error)
if err != nil {
return 0, err
}
copy((*libc.RawMem)(unsafe.Pointer(p))[:len(value):len(value)], value)
if len(value) != 0 {
copy((*libc.RawMem)(unsafe.Pointer(p))[:len(value):len(value)], value)
}
if rc := sqlite3.Xsqlite3_bind_blob(c.tls, pstmt, int32(idx1), p, int32(len(value)), 0); rc != sqlite3.SQLITE_OK {
c.free(p)
return 0, c.errstr(rc)