Пример #1
0
func generateBaseType(t pqt.Type, m int32) string {
	switch t {
	case pqt.TypeText():
		return chooseType("string", "*ntypes.String", "*qtypes.String", m)
	case pqt.TypeBool():
		return chooseType("bool", "*ntypes.Bool", "*ntypes.Bool", m)
	case pqt.TypeIntegerSmall():
		return chooseType("int16", "*int16", "*int16", m)
	case pqt.TypeInteger():
		return chooseType("int32", "*ntypes.Int32", "*ntypes.Int32", m)
	case pqt.TypeIntegerBig():
		return chooseType("int64", "*ntypes.Int64", "*qtypes.Int64", m)
	case pqt.TypeSerial():
		return chooseType("int32", "*ntypes.Int32", "*ntypes.Int32", m)
	case pqt.TypeSerialSmall():
		return chooseType("int16", "*int16", "*int16", m)
	case pqt.TypeSerialBig():
		return chooseType("int64", "*ntypes.Int64", "*qtypes.Int64", m)
	case pqt.TypeTimestamp(), pqt.TypeTimestampTZ():
		return chooseType("time.Time", "*time.Time", "*qtypes.Timestamp", m)
	case pqt.TypeReal():
		return chooseType("float32", "*ntypes.Float32", "*ntypes.Float32", m)
	case pqt.TypeDoublePrecision():
		return chooseType("float64", "*ntypes.Float64", "*qtypes.Float64", m)
	case pqt.TypeBytea(), pqt.TypeJSON(), pqt.TypeJSONB():
		return "[]byte"
	case pqt.TypeUUID():
		return "uuid.UUID"
	default:
		gt := t.String()
		switch {
		case strings.HasPrefix(gt, "SMALLINT["):
			return chooseType("pqt.ArrayInt64", "pqt.ArrayInt64", "*qtypes.Int64", m)
		case strings.HasPrefix(gt, "INTEGER["):
			return chooseType("pqt.ArrayInt64", "pqt.ArrayInt64", "*qtypes.Int64", m)
		case strings.HasPrefix(gt, "BIGINT["):
			return chooseType("pqt.ArrayInt64", "pqt.ArrayInt64", "*qtypes.Int64", m)
		case strings.HasPrefix(gt, "DOUBLE PRECISION["):
			return chooseType("pqt.ArrayFloat64", "pqt.ArrayFloat64", "*qtypes.Float64", m)
		case strings.HasPrefix(gt, "TEXT["):
			return "pqt.ArrayString"
		case strings.HasPrefix(gt, "DECIMAL"), strings.HasPrefix(gt, "NUMERIC"):
			return chooseType("float64", "*ntypes.Float64", "*qtypes.Float64", m)
		case strings.HasPrefix(gt, "VARCHAR"):
			return chooseType("string", "*ntypes.String", "*qtypes.String", m)
		default:
			return "interface{}"
		}
	}
}
Пример #2
0
func TestGenerator_Generate(t *testing.T) {
	success := []struct {
		expected string
		given    *pqt.Table
	}{
		{
			expected: `-- do not modify, generated by pqt

CREATE TEMPORARY TABLE schema.user (
	created_at TIMESTAMPTZ,
	password TEXT,
	username TEXT NOT NULL
);

`,
			given: func() *pqt.Table {
				return pqt.NewTable("user", pqt.WithTemporary()).
					SetSchema(pqt.NewSchema("schema")).
					AddColumn(&pqt.Column{Name: "username", Type: pqt.TypeText(), NotNull: true}).
					AddColumn(&pqt.Column{Name: "password", Type: pqt.TypeText()}).
					AddColumn(&pqt.Column{Name: "created_at", Type: pqt.TypeTimestampTZ()})
			}(),
		},
		{
			expected: `-- do not modify, generated by pqt

CREATE TABLE IF NOT EXISTS table_name (
	created_at TIMESTAMPTZ DEFAULT NOW() NOT NULL,
	created_by INTEGER NOT NULL,
	enabled BOOL,
	end_at TIMESTAMPTZ NOT NULL,
	id SERIAL,
	name TEXT,
	price DECIMAL(10,1),
	rel_id INTEGER,
	slug TEXT NOT NULL,
	start_at TIMESTAMPTZ NOT NULL,
	updated_at TIMESTAMPTZ,
	updated_by INTEGER,

	CONSTRAINT "public.table_name_id_pkey" PRIMARY KEY (id),
	CONSTRAINT "public.table_name_name_key" UNIQUE (name),
	CONSTRAINT "public.table_name_slug_key" UNIQUE (slug),
	CONSTRAINT "public.table_name_rel_id_fkey" FOREIGN KEY (rel_id) REFERENCES related_table (id),
	CONSTRAINT "public.table_name_start_at_end_at_check" CHECK ((start_at IS NULL AND end_at IS NULL) OR start_at < end_at)
);

`,
			given: func() *pqt.Table {
				id := pqt.Column{Name: "id", Type: pqt.TypeSerial()}
				startAt := &pqt.Column{Name: "start_at", Type: pqt.TypeTimestampTZ(), NotNull: true}
				endAt := &pqt.Column{Name: "end_at", Type: pqt.TypeTimestampTZ(), NotNull: true}
				_ = pqt.NewTable("related_table").
					AddColumn(&id)

				return pqt.NewTable("table_name", pqt.WithTableIfNotExists()).
					AddColumn(&pqt.Column{Name: "id", Type: pqt.TypeSerial(), PrimaryKey: true}).
					AddColumn(&pqt.Column{Name: "rel_id", Type: pqt.TypeInteger(), Reference: &id}).
					AddColumn(&pqt.Column{Name: "name", Type: pqt.TypeText(), Unique: true}).
					AddColumn(&pqt.Column{Name: "enabled", Type: pqt.TypeBool()}).
					AddColumn(&pqt.Column{Name: "price", Type: pqt.TypeDecimal(10, 1)}).
					AddColumn(startAt).
					AddColumn(endAt).
					AddColumn(pqt.NewColumn("created_at", pqt.TypeTimestampTZ(), pqt.WithNotNull(), pqt.WithDefault("NOW()"))).
					AddColumn(&pqt.Column{Name: "created_by", Type: pqt.TypeInteger(), NotNull: true}).
					AddColumn(&pqt.Column{Name: "updated_at", Type: pqt.TypeTimestampTZ()}).
					AddColumn(&pqt.Column{Name: "updated_by", Type: pqt.TypeInteger()}).
					AddColumn(&pqt.Column{Name: "slug", Type: pqt.TypeText(), NotNull: true, Unique: true}).
					AddCheck("(start_at IS NULL AND end_at IS NULL) OR start_at < end_at", startAt, endAt)
			}(),
		},
	}

	for i, data := range success {
		q, err := pqtsql.NewGenerator().Generate(&pqt.Schema{
			Tables: []*pqt.Table{data.given},
		})

		if err != nil {
			t.Errorf("unexpected error for schema #%d : %s", i, err.Error())
			continue
		}

		if string(q) != data.expected {
			t.Errorf("wrong query, expected:\n'%s'\nbut got:\n'%s'", data.expected, q)
		}
	}
}