gopkg/pgx
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Hard code standard PostgreSQL types

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Instead of needing to instrospect the database on connection preload the
standard OID / type map. Types from extensions (like hstore) and custom
types can be registered by the application developer. Otherwise, they
will be treated as strings.
This commit is contained in:
Jack Christensen
2019-04-13 16:45:52 -05:00
parent a0f487bc09
commit bd85fe870d
3 changed files with 103 additions and 37 deletions
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hstore_array_test.go
+14
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@@ -14,6 +14,20 @@ func TestHstoreArrayTranscode(t *testing.T) {
conn := testutil.MustConnectPgx(t)
defer testutil.MustCloseContext(t, conn)
var hstoreOID pgtype.OID
err := conn.QueryRow(context.Background(), "select t.oid from pg_type t where t.typname='hstore';").Scan(&hstoreOID)
if err != nil {
t.Fatalf("did not find hstore OID, %v", err)
}
conn.ConnInfo.RegisterDataType(pgtype.DataType{Value: &pgtype.Hstore{}, Name: "hstore", OID: hstoreOID})
var hstoreArrayOID pgtype.OID
err = conn.QueryRow(context.Background(), "select t.oid from pg_type t where t.typname='_hstore';").Scan(&hstoreArrayOID)
if err != nil {
t.Fatalf("did not find _hstore OID, %v", err)
}
conn.ConnInfo.RegisterDataType(pgtype.DataType{Value: &pgtype.HstoreArray{}, Name: "_hstore", OID: hstoreArrayOID})
text := func(s string) pgtype.Text {
return pgtype.Text{String: s, Status: pgtype.Present}
}