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Add NullString

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Changes EncodeText interface to work for null values in SQL interpolation
and in prepared statements text format.
This commit is contained in:
Jack Christensen
2014-07-11 14:16:25 -05:00
parent 6eac791f51
commit 7ca95d7f73
4 changed files with 77 additions and 23 deletions
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values_test.go
+3
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@@ -194,6 +194,7 @@ func TestNullX(t *testing.T) {
defer closeConn(t, conn)
type allTypes struct {
s pgx.NullString
i16 pgx.NullInt16
i32 pgx.NullInt32
i64 pgx.NullInt64
@@ -209,6 +210,8 @@ func TestNullX(t *testing.T) {
scanArgs []interface{}
expected allTypes
}{
{"select $1::text", []interface{}{pgx.NullString{String: "foo", Valid: true}}, []interface{}{&actual.s}, allTypes{s: pgx.NullString{String: "foo", Valid: true}}},
{"select $1::text", []interface{}{pgx.NullString{String: "foo", Valid: false}}, []interface{}{&actual.s}, allTypes{s: pgx.NullString{String: "", Valid: false}}},
{"select $1::int2", []interface{}{pgx.NullInt16{Int16: 1, Valid: true}}, []interface{}{&actual.i16}, allTypes{i16: pgx.NullInt16{Int16: 1, Valid: true}}},
{"select $1::int2", []interface{}{pgx.NullInt16{Int16: 1, Valid: false}}, []interface{}{&actual.i16}, allTypes{i16: pgx.NullInt16{Int16: 0, Valid: false}}},
{"select $1::int4", []interface{}{pgx.NullInt32{Int32: 1, Valid: true}}, []interface{}{&actual.i32}, allTypes{i32: pgx.NullInt32{Int32: 1, Valid: true}}},