Upgrade gopkg.in/testfixtures.v2 (#4999)

12 files changed, 702 insertions, 165 deletions

diff --git a/vendor/gopkg.in/testfixtures.v2/deprecated.go b/vendor/gopkg.in/testfixtures.v2/deprecated.go
index b83eeef436..16e0969e33 100644
--- a/vendor/gopkg.in/testfixtures.v2/deprecated.go
+++ b/vendor/gopkg.in/testfixtures.v2/deprecated.go
@@ -5,22 +5,38 @@ import (
 )
 
 type (
-	DataBaseHelper Helper // Deprecated: Use Helper instead
+	// DataBaseHelper is the helper interface
+	// Deprecated: Use Helper instead
+	DataBaseHelper Helper
 
-	PostgreSQLHelper struct { // Deprecated: Use PostgreSQL{} instead
+	// PostgreSQLHelper is the PostgreSQL helper
+	// Deprecated: Use PostgreSQL{} instead
+	PostgreSQLHelper struct {
 		PostgreSQL
 		UseAlterConstraint bool
 	}
-	MySQLHelper struct { // Deprecated: Use MySQL{} instead
+
+	// MySQLHelper is the MySQL helper
+	// Deprecated: Use MySQL{} instead
+	MySQLHelper struct {
 		MySQL
 	}
-	SQLiteHelper struct { // Deprecated: Use SQLite{} instead
+
+	// SQLiteHelper is the SQLite helper
+	// Deprecated: Use SQLite{} instead
+	SQLiteHelper struct {
 		SQLite
 	}
-	SQLServerHelper struct { // Deprecated: Use SQLServer{} instead
+
+	// SQLServerHelper is the SQLServer helper
+	// Deprecated: Use SQLServer{} instead
+	SQLServerHelper struct {
 		SQLServer
 	}
-	OracleHelper struct { // Deprecated: Use Oracle{} instead
+
+	// OracleHelper is the Oracle helper
+	// Deprecated: Use Oracle{} instead
+	OracleHelper struct {
 		Oracle
 	}
 )
diff --git a/vendor/gopkg.in/testfixtures.v2/errors.go b/vendor/gopkg.in/testfixtures.v2/errors.go
new file mode 100644
index 0000000000..17eb284c6c
--- /dev/null
+++ b/vendor/gopkg.in/testfixtures.v2/errors.go
@@ -0,0 +1,41 @@
+package testfixtures
+
+import (
+	"errors"
+	"fmt"
+)
+
+var (
+	// ErrWrongCastNotAMap is returned when a map is not a map[interface{}]interface{}
+	ErrWrongCastNotAMap = errors.New("Could not cast record: not a map[interface{}]interface{}")
+
+	// ErrFileIsNotSliceOrMap is returned the the fixture file is not a slice or map.
+	ErrFileIsNotSliceOrMap = errors.New("The fixture file is not a slice or map")
+
+	// ErrKeyIsNotString is returned when a record is not of type string
+	ErrKeyIsNotString = errors.New("Record map key is not string")
+
+	// ErrNotTestDatabase is returned when the database name doesn't contains "test"
+	ErrNotTestDatabase = errors.New(`Loading aborted because the database name does not contains "test"`)
+)
+
+// InsertError will be returned if any error happens on database while
+// inserting the record
+type InsertError struct {
+	Err    error
+	File   string
+	Index  int
+	SQL    string
+	Params []interface{}
+}
+
+func (e *InsertError) Error() string {
+	return fmt.Sprintf(
+		"testfixtures: error inserting record: %v, on file: %s, index: %d, sql: %s, params: %v",
+		e.Err,
+		e.File,
+		e.Index,
+		e.SQL,
+		e.Params,
+	)
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/generate.go b/vendor/gopkg.in/testfixtures.v2/generate.go
new file mode 100644
index 0000000000..844814007c
--- /dev/null
+++ b/vendor/gopkg.in/testfixtures.v2/generate.go
@@ -0,0 +1,110 @@
+package testfixtures
+
+import (
+	"database/sql"
+	"fmt"
+	"os"
+	"path"
+	"unicode/utf8"
+
+	"gopkg.in/yaml.v2"
+)
+
+// TableInfo is settings for generating a fixture for table.
+type TableInfo struct {
+	Name  string // Table name
+	Where string // A condition for extracting records. If this value is empty, extracts all records.
+}
+
+func (ti *TableInfo) whereClause() string {
+	if ti.Where == "" {
+		return ""
+	}
+	return fmt.Sprintf(" WHERE %s", ti.Where)
+}
+
+// GenerateFixtures generates fixtures for the current contents of a database, and saves
+// them to the specified directory
+func GenerateFixtures(db *sql.DB, helper Helper, dir string) error {
+	tables, err := helper.tableNames(db)
+	if err != nil {
+		return err
+	}
+	for _, table := range tables {
+		filename := path.Join(dir, table+".yml")
+		if err := generateFixturesForTable(db, helper, &TableInfo{Name: table}, filename); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// GenerateFixturesForTables generates fixtures for the current contents of specified tables in a database, and saves
+// them to the specified directory
+func GenerateFixturesForTables(db *sql.DB, tables []*TableInfo, helper Helper, dir string) error {
+	for _, table := range tables {
+		filename := path.Join(dir, table.Name+".yml")
+		if err := generateFixturesForTable(db, helper, table, filename); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func generateFixturesForTable(db *sql.DB, h Helper, table *TableInfo, filename string) error {
+	query := fmt.Sprintf("SELECT * FROM %s%s", h.quoteKeyword(table.Name), table.whereClause())
+	rows, err := db.Query(query)
+	if err != nil {
+		return err
+	}
+	defer rows.Close()
+
+	columns, err := rows.Columns()
+	if err != nil {
+		return err
+	}
+
+	fixtures := make([]interface{}, 0, 10)
+	for rows.Next() {
+		entries := make([]interface{}, len(columns))
+		entryPtrs := make([]interface{}, len(entries))
+		for i := range entries {
+			entryPtrs[i] = &entries[i]
+		}
+		if err := rows.Scan(entryPtrs...); err != nil {
+			return err
+		}
+
+		entryMap := make(map[string]interface{}, len(entries))
+		for i, column := range columns {
+			entryMap[column] = convertValue(entries[i])
+		}
+		fixtures = append(fixtures, entryMap)
+	}
+	if err = rows.Err(); err != nil {
+		return err
+	}
+
+	f, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer f.Close()
+
+	marshaled, err := yaml.Marshal(fixtures)
+	if err != nil {
+		return err
+	}
+	_, err = f.Write(marshaled)
+	return err
+}
+
+func convertValue(value interface{}) interface{} {
+	switch v := value.(type) {
+	case []byte:
+		if utf8.Valid(v) {
+			return string(v)
+		}
+	}
+	return value
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/helper.go b/vendor/gopkg.in/testfixtures.v2/helper.go
index f1c19f29d4..bd1ebba62e 100644
--- a/vendor/gopkg.in/testfixtures.v2/helper.go
+++ b/vendor/gopkg.in/testfixtures.v2/helper.go
@@ -18,21 +18,56 @@ type Helper interface {
 	init(*sql.DB) error
 	disableReferentialIntegrity(*sql.DB, loadFunction) error
 	paramType() int
-	databaseName(*sql.DB) string
+	databaseName(queryable) (string, error)
+	tableNames(queryable) ([]string, error)
+	isTableModified(queryable, string) (bool, error)
+	afterLoad(queryable) error
 	quoteKeyword(string) string
 	whileInsertOnTable(*sql.Tx, string, func() error) error
 }
 
+type queryable interface {
+	Exec(string, ...interface{}) (sql.Result, error)
+	Query(string, ...interface{}) (*sql.Rows, error)
+	QueryRow(string, ...interface{}) *sql.Row
+}
+
+// batchSplitter is an interface with method which returns byte slice for
+// splitting SQL batches. This need to split sql statements and run its
+// separately.
+//
+// For Microsoft SQL Server batch splitter is "GO". For details see
+// https://docs.microsoft.com/en-us/sql/t-sql/language-elements/sql-server-utilities-statements-go
+type batchSplitter interface {
+	splitter() []byte
+}
+
+var (
+	_ Helper = &MySQL{}
+	_ Helper = &PostgreSQL{}
+	_ Helper = &SQLite{}
+	_ Helper = &Oracle{}
+	_ Helper = &SQLServer{}
+)
+
 type baseHelper struct{}
 
-func (*baseHelper) init(_ *sql.DB) error {
+func (baseHelper) init(_ *sql.DB) error {
 	return nil
 }
 
-func (*baseHelper) quoteKeyword(str string) string {
+func (baseHelper) quoteKeyword(str string) string {
 	return fmt.Sprintf(`"%s"`, str)
 }
 
-func (*baseHelper) whileInsertOnTable(_ *sql.Tx, _ string, fn func() error) error {
+func (baseHelper) whileInsertOnTable(_ *sql.Tx, _ string, fn func() error) error {
 	return fn()
 }
+
+func (baseHelper) isTableModified(_ queryable, _ string) (bool, error) {
+	return true, nil
+}
+
+func (baseHelper) afterLoad(_ queryable) error {
+	return nil
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/json.go b/vendor/gopkg.in/testfixtures.v2/json.go
new file mode 100644
index 0000000000..f954a17a7f
--- /dev/null
+++ b/vendor/gopkg.in/testfixtures.v2/json.go
@@ -0,0 +1,44 @@
+package testfixtures
+
+import (
+	"database/sql/driver"
+	"encoding/json"
+)
+
+var (
+	_ driver.Valuer = jsonArray{}
+	_ driver.Valuer = jsonMap{}
+)
+
+type jsonArray []interface{}
+
+func (a jsonArray) Value() (driver.Value, error) {
+	return json.Marshal(a)
+}
+
+type jsonMap map[string]interface{}
+
+func (m jsonMap) Value() (driver.Value, error) {
+	return json.Marshal(m)
+}
+
+// Go refuses to convert map[interface{}]interface{} to JSON because JSON only support string keys
+// So it's necessary to recursively convert all map[interface]interface{} to map[string]interface{}
+func recursiveToJSON(v interface{}) (r interface{}) {
+	switch v := v.(type) {
+	case []interface{}:
+		for i, e := range v {
+			v[i] = recursiveToJSON(e)
+		}
+		r = jsonArray(v)
+	case map[interface{}]interface{}:
+		newMap := make(map[string]interface{}, len(v))
+		for k, e := range v {
+			newMap[k.(string)] = recursiveToJSON(e)
+		}
+		r = jsonMap(newMap)
+	default:
+		r = v
+	}
+	return
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/mysql.go b/vendor/gopkg.in/testfixtures.v2/mysql.go
index 3c96c1b293..8a3e5c9bfe 100644
--- a/vendor/gopkg.in/testfixtures.v2/mysql.go
+++ b/vendor/gopkg.in/testfixtures.v2/mysql.go
@@ -8,6 +8,18 @@ import (
 // MySQL is the MySQL helper for this package
 type MySQL struct {
 	baseHelper
+	tables         []string
+	tablesChecksum map[string]int64
+}
+
+func (h *MySQL) init(db *sql.DB) error {
+	var err error
+	h.tables, err = h.tableNames(db)
+	if err != nil {
+		return err
+	}
+
+	return nil
 }
 
 func (*MySQL) paramType() int {
@@ -18,28 +30,105 @@ func (*MySQL) quoteKeyword(str string) string {
 	return fmt.Sprintf("`%s`", str)
 }
 
-func (*MySQL) databaseName(db *sql.DB) (dbName string) {
-	db.QueryRow("SELECT DATABASE()").Scan(&dbName)
-	return
+func (*MySQL) databaseName(q queryable) (string, error) {
+	var dbName string
+	err := q.QueryRow("SELECT DATABASE()").Scan(&dbName)
+	return dbName, err
 }
 
-func (h *MySQL) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) error {
+func (h *MySQL) tableNames(q queryable) ([]string, error) {
+	query := `
+		SELECT table_name
+		FROM information_schema.tables
+		WHERE table_schema = ?
+		  AND table_type = 'BASE TABLE';
+	`
+	dbName, err := h.databaseName(q)
+	if err != nil {
+		return nil, err
+	}
+
+	rows, err := q.Query(query, dbName)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var tables []string
+	for rows.Next() {
+		var table string
+		if err = rows.Scan(&table); err != nil {
+			return nil, err
+		}
+		tables = append(tables, table)
+	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+	return tables, nil
+
+}
+
+func (h *MySQL) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
 	// re-enable after load
-	defer db.Exec("SET FOREIGN_KEY_CHECKS = 1")
+	defer func() {
+		if _, err2 := db.Exec("SET FOREIGN_KEY_CHECKS = 1"); err2 != nil && err == nil {
+			err = err2
+		}
+	}()
 
 	tx, err := db.Begin()
 	if err != nil {
 		return err
 	}
+	defer tx.Rollback()
 
 	if _, err = tx.Exec("SET FOREIGN_KEY_CHECKS = 0"); err != nil {
 		return err
 	}
 
 	if err = loadFn(tx); err != nil {
-		tx.Rollback()
 		return err
 	}
 
 	return tx.Commit()
 }
+
+func (h *MySQL) isTableModified(q queryable, tableName string) (bool, error) {
+	checksum, err := h.getChecksum(q, tableName)
+	if err != nil {
+		return true, err
+	}
+
+	oldChecksum := h.tablesChecksum[tableName]
+
+	return oldChecksum == 0 || checksum != oldChecksum, nil
+}
+
+func (h *MySQL) afterLoad(q queryable) error {
+	if h.tablesChecksum != nil {
+		return nil
+	}
+
+	h.tablesChecksum = make(map[string]int64, len(h.tables))
+	for _, t := range h.tables {
+		checksum, err := h.getChecksum(q, t)
+		if err != nil {
+			return err
+		}
+		h.tablesChecksum[t] = checksum
+	}
+	return nil
+}
+
+func (h *MySQL) getChecksum(q queryable, tableName string) (int64, error) {
+	sql := fmt.Sprintf("CHECKSUM TABLE %s", h.quoteKeyword(tableName))
+	var (
+		table    string
+		checksum int64
+	)
+	if err := q.QueryRow(sql).Scan(&table, &checksum); err != nil {
+		return 0, err
+	}
+	return checksum, nil
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/oracle.go b/vendor/gopkg.in/testfixtures.v2/oracle.go
index 59600ebfc5..af5c92ddb3 100644
--- a/vendor/gopkg.in/testfixtures.v2/oracle.go
+++ b/vendor/gopkg.in/testfixtures.v2/oracle.go
@@ -43,54 +43,90 @@ func (*Oracle) quoteKeyword(str string) string {
 	return fmt.Sprintf("\"%s\"", strings.ToUpper(str))
 }
 
-func (*Oracle) databaseName(db *sql.DB) (dbName string) {
-	db.QueryRow("SELECT user FROM DUAL").Scan(&dbName)
-	return
+func (*Oracle) databaseName(q queryable) (string, error) {
+	var dbName string
+	err := q.QueryRow("SELECT user FROM DUAL").Scan(&dbName)
+	return dbName, err
 }
 
-func (*Oracle) getEnabledConstraints(db *sql.DB) ([]oracleConstraint, error) {
-	constraints := make([]oracleConstraint, 0)
-	rows, err := db.Query(`
-        SELECT table_name, constraint_name
-        FROM user_constraints
-        WHERE constraint_type = 'R'
-          AND status = 'ENABLED'
-    `)
+func (*Oracle) tableNames(q queryable) ([]string, error) {
+	query := `
+		SELECT TABLE_NAME
+		FROM USER_TABLES
+	`
+	rows, err := q.Query(query)
 	if err != nil {
 		return nil, err
 	}
 	defer rows.Close()
+
+	var tables []string
+	for rows.Next() {
+		var table string
+		if err = rows.Scan(&table); err != nil {
+			return nil, err
+		}
+		tables = append(tables, table)
+	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+	return tables, nil
+
+}
+
+func (*Oracle) getEnabledConstraints(q queryable) ([]oracleConstraint, error) {
+	var constraints []oracleConstraint
+	rows, err := q.Query(`
+		SELECT table_name, constraint_name
+		FROM user_constraints
+		WHERE constraint_type = 'R'
+		  AND status = 'ENABLED'
+	`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
 	for rows.Next() {
 		var constraint oracleConstraint
 		rows.Scan(&constraint.tableName, &constraint.constraintName)
 		constraints = append(constraints, constraint)
 	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
 	return constraints, nil
 }
 
-func (*Oracle) getSequences(db *sql.DB) ([]string, error) {
-	sequences := make([]string, 0)
-	rows, err := db.Query("SELECT sequence_name FROM user_sequences")
+func (*Oracle) getSequences(q queryable) ([]string, error) {
+	var sequences []string
+	rows, err := q.Query("SELECT sequence_name FROM user_sequences")
 	if err != nil {
 		return nil, err
 	}
-
 	defer rows.Close()
+
 	for rows.Next() {
 		var sequence string
-		rows.Scan(&sequence)
+		if err = rows.Scan(&sequence); err != nil {
+			return nil, err
+		}
 		sequences = append(sequences, sequence)
 	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
 	return sequences, nil
 }
 
-func (h *Oracle) resetSequences(db *sql.DB) error {
+func (h *Oracle) resetSequences(q queryable) error {
 	for _, sequence := range h.sequences {
-		_, err := db.Exec(fmt.Sprintf("DROP SEQUENCE %s", h.quoteKeyword(sequence)))
+		_, err := q.Exec(fmt.Sprintf("DROP SEQUENCE %s", h.quoteKeyword(sequence)))
 		if err != nil {
 			return err
 		}
-		_, err = db.Exec(fmt.Sprintf("CREATE SEQUENCE %s START WITH %d", h.quoteKeyword(sequence), resetSequencesTo))
+		_, err = q.Exec(fmt.Sprintf("CREATE SEQUENCE %s START WITH %d", h.quoteKeyword(sequence), resetSequencesTo))
 		if err != nil {
 			return err
 		}
@@ -98,11 +134,14 @@ func (h *Oracle) resetSequences(db *sql.DB) error {
 	return nil
 }
 
-func (h *Oracle) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) error {
+func (h *Oracle) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
 	// re-enable after load
 	defer func() {
 		for _, c := range h.enabledConstraints {
-			db.Exec(fmt.Sprintf("ALTER TABLE %s ENABLE CONSTRAINT %s", h.quoteKeyword(c.tableName), h.quoteKeyword(c.constraintName)))
+			_, err2 := db.Exec(fmt.Sprintf("ALTER TABLE %s ENABLE CONSTRAINT %s", h.quoteKeyword(c.tableName), h.quoteKeyword(c.constraintName)))
+			if err2 != nil && err == nil {
+				err = err2
+			}
 		}
 	}()
 
@@ -118,9 +157,9 @@ func (h *Oracle) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) er
 	if err != nil {
 		return err
 	}
+	defer tx.Rollback()
 
 	if err = loadFn(tx); err != nil {
-		tx.Rollback()
 		return err
 	}
 
diff --git a/vendor/gopkg.in/testfixtures.v2/postgresql.go b/vendor/gopkg.in/testfixtures.v2/postgresql.go
index ecc5a5cfa8..5386cacb55 100644
--- a/vendor/gopkg.in/testfixtures.v2/postgresql.go
+++ b/vendor/gopkg.in/testfixtures.v2/postgresql.go
@@ -3,6 +3,7 @@ package testfixtures
 import (
 	"database/sql"
 	"fmt"
+	"strings"
 )
 
 // PostgreSQL is the PG helper for this package
@@ -18,6 +19,7 @@ type PostgreSQL struct {
 	tables                   []string
 	sequences                []string
 	nonDeferrableConstraints []pgConstraint
+	tablesChecksum           map[string]string
 }
 
 type pgConstraint struct {
@@ -28,7 +30,7 @@ type pgConstraint struct {
 func (h *PostgreSQL) init(db *sql.DB) error {
 	var err error
 
-	h.tables, err = h.getTables(db)
+	h.tables, err = h.tableNames(db)
 	if err != nil {
 		return err
 	}
@@ -50,44 +52,57 @@ func (*PostgreSQL) paramType() int {
 	return paramTypeDollar
 }
 
-func (*PostgreSQL) databaseName(db *sql.DB) (dbName string) {
-	db.QueryRow("SELECT current_database()").Scan(&dbName)
-	return
+func (*PostgreSQL) databaseName(q queryable) (string, error) {
+	var dbName string
+	err := q.QueryRow("SELECT current_database()").Scan(&dbName)
+	return dbName, err
 }
 
-func (h *PostgreSQL) getTables(db *sql.DB) ([]string, error) {
+func (h *PostgreSQL) tableNames(q queryable) ([]string, error) {
 	var tables []string
 
 	sql := `
-SELECT table_name
-FROM information_schema.tables
-WHERE table_schema = 'public'
-  AND table_type = 'BASE TABLE';
-`
-	rows, err := db.Query(sql)
+	        SELECT pg_namespace.nspname || '.' || pg_class.relname
+		FROM pg_class
+		INNER JOIN pg_namespace ON pg_namespace.oid = pg_class.relnamespace
+		WHERE pg_class.relkind = 'r'
+		  AND pg_namespace.nspname NOT IN ('pg_catalog', 'information_schema')
+		  AND pg_namespace.nspname NOT LIKE 'pg_toast%';
+	`
+	rows, err := q.Query(sql)
 	if err != nil {
 		return nil, err
 	}
-
 	defer rows.Close()
+
 	for rows.Next() {
 		var table string
-		rows.Scan(&table)
+		if err = rows.Scan(&table); err != nil {
+			return nil, err
+		}
 		tables = append(tables, table)
 	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
 	return tables, nil
 }
 
-func (h *PostgreSQL) getSequences(db *sql.DB) ([]string, error) {
-	var sequences []string
+func (h *PostgreSQL) getSequences(q queryable) ([]string, error) {
+	const sql = `
+		SELECT pg_namespace.nspname || '.' || pg_class.relname AS sequence_name
+		FROM pg_class
+		INNER JOIN pg_namespace ON pg_namespace.oid = pg_class.relnamespace
+		WHERE pg_class.relkind = 'S'
+	`
 
-	sql := "SELECT relname FROM pg_class WHERE relkind = 'S'"
-	rows, err := db.Query(sql)
+	rows, err := q.Query(sql)
 	if err != nil {
 		return nil, err
 	}
-
 	defer rows.Close()
+
+	var sequences []string
 	for rows.Next() {
 		var sequence string
 		if err = rows.Scan(&sequence); err != nil {
@@ -95,18 +110,22 @@ func (h *PostgreSQL) getSequences(db *sql.DB) ([]string, error) {
 		}
 		sequences = append(sequences, sequence)
 	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
 	return sequences, nil
 }
 
-func (*PostgreSQL) getNonDeferrableConstraints(db *sql.DB) ([]pgConstraint, error) {
+func (*PostgreSQL) getNonDeferrableConstraints(q queryable) ([]pgConstraint, error) {
 	var constraints []pgConstraint
 
 	sql := `
-SELECT table_name, constraint_name
-FROM information_schema.table_constraints
-WHERE constraint_type = 'FOREIGN KEY'
-  AND is_deferrable = 'NO'`
-	rows, err := db.Query(sql)
+		SELECT table_schema || '.' || table_name, constraint_name
+		FROM information_schema.table_constraints
+		WHERE constraint_type = 'FOREIGN KEY'
+		  AND is_deferrable = 'NO'
+  	`
+	rows, err := q.Query(sql)
 	if err != nil {
 		return nil, err
 	}
@@ -114,23 +133,27 @@ WHERE constraint_type = 'FOREIGN KEY'
 	defer rows.Close()
 	for rows.Next() {
 		var constraint pgConstraint
-		err = rows.Scan(&constraint.tableName, &constraint.constraintName)
-		if err != nil {
+		if err = rows.Scan(&constraint.tableName, &constraint.constraintName); err != nil {
 			return nil, err
 		}
 		constraints = append(constraints, constraint)
 	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
 	return constraints, nil
 }
 
-func (h *PostgreSQL) disableTriggers(db *sql.DB, loadFn loadFunction) error {
+func (h *PostgreSQL) disableTriggers(db *sql.DB, loadFn loadFunction) (err error) {
 	defer func() {
 		// re-enable triggers after load
 		var sql string
 		for _, table := range h.tables {
 			sql += fmt.Sprintf("ALTER TABLE %s ENABLE TRIGGER ALL;", h.quoteKeyword(table))
 		}
-		db.Exec(sql)
+		if _, err2 := db.Exec(sql); err2 != nil && err == nil {
+			err = err2
+		}
 	}()
 
 	tx, err := db.Begin()
@@ -154,14 +177,16 @@ func (h *PostgreSQL) disableTriggers(db *sql.DB, loadFn loadFunction) error {
 	return tx.Commit()
 }
 
-func (h *PostgreSQL) makeConstraintsDeferrable(db *sql.DB, loadFn loadFunction) error {
+func (h *PostgreSQL) makeConstraintsDeferrable(db *sql.DB, loadFn loadFunction) (err error) {
 	defer func() {
 		// ensure constraint being not deferrable again after load
 		var sql string
 		for _, constraint := range h.nonDeferrableConstraints {
 			sql += fmt.Sprintf("ALTER TABLE %s ALTER CONSTRAINT %s NOT DEFERRABLE;", h.quoteKeyword(constraint.tableName), h.quoteKeyword(constraint.constraintName))
 		}
-		db.Exec(sql)
+		if _, err2 := db.Exec(sql); err2 != nil && err == nil {
+			err = err2
+		}
 	}()
 
 	var sql string
@@ -176,28 +201,31 @@ func (h *PostgreSQL) makeConstraintsDeferrable(db *sql.DB, loadFn loadFunction)
 	if err != nil {
 		return err
 	}
+	defer tx.Rollback()
 
 	if _, err = tx.Exec("SET CONSTRAINTS ALL DEFERRED"); err != nil {
-		return nil
+		return err
 	}
 
 	if err = loadFn(tx); err != nil {
-		tx.Rollback()
 		return err
 	}
 
 	return tx.Commit()
 }
 
-func (h *PostgreSQL) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) error {
+func (h *PostgreSQL) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
 	// ensure sequences being reset after load
-	defer h.resetSequences(db)
+	defer func() {
+		if err2 := h.resetSequences(db); err2 != nil && err == nil {
+			err = err2
+		}
+	}()
 
 	if h.UseAlterConstraint {
 		return h.makeConstraintsDeferrable(db, loadFn)
-	} else {
-		return h.disableTriggers(db, loadFn)
 	}
+	return h.disableTriggers(db, loadFn)
 }
 
 func (h *PostgreSQL) resetSequences(db *sql.DB) error {
@@ -209,3 +237,53 @@ func (h *PostgreSQL) resetSequences(db *sql.DB) error {
 	}
 	return nil
 }
+
+func (h *PostgreSQL) isTableModified(q queryable, tableName string) (bool, error) {
+	checksum, err := h.getChecksum(q, tableName)
+	if err != nil {
+		return false, err
+	}
+
+	oldChecksum := h.tablesChecksum[tableName]
+
+	return oldChecksum == "" || checksum != oldChecksum, nil
+}
+
+func (h *PostgreSQL) afterLoad(q queryable) error {
+	if h.tablesChecksum != nil {
+		return nil
+	}
+
+	h.tablesChecksum = make(map[string]string, len(h.tables))
+	for _, t := range h.tables {
+		checksum, err := h.getChecksum(q, t)
+		if err != nil {
+			return err
+		}
+		h.tablesChecksum[t] = checksum
+	}
+	return nil
+}
+
+func (h *PostgreSQL) getChecksum(q queryable, tableName string) (string, error) {
+	sqlStr := fmt.Sprintf(`
+			SELECT md5(CAST((array_agg(t.*)) AS TEXT))
+			FROM %s AS t
+		`,
+		h.quoteKeyword(tableName),
+	)
+
+	var checksum sql.NullString
+	if err := q.QueryRow(sqlStr).Scan(&checksum); err != nil {
+		return "", err
+	}
+	return checksum.String, nil
+}
+
+func (*PostgreSQL) quoteKeyword(s string) string {
+	parts := strings.Split(s, ".")
+	for i, p := range parts {
+		parts[i] = fmt.Sprintf(`"%s"`, p)
+	}
+	return strings.Join(parts, ".")
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/sqlite.go b/vendor/gopkg.in/testfixtures.v2/sqlite.go
index 4d7fa4fdab..150f014108 100644
--- a/vendor/gopkg.in/testfixtures.v2/sqlite.go
+++ b/vendor/gopkg.in/testfixtures.v2/sqlite.go
@@ -14,23 +14,59 @@ func (*SQLite) paramType() int {
 	return paramTypeQuestion
 }
 
-func (*SQLite) databaseName(db *sql.DB) (dbName string) {
+func (*SQLite) databaseName(q queryable) (string, error) {
 	var seq int
-	var main string
-	db.QueryRow("PRAGMA database_list").Scan(&seq, &main, &dbName)
+	var main, dbName string
+	err := q.QueryRow("PRAGMA database_list").Scan(&seq, &main, &dbName)
+	if err != nil {
+		return "", err
+	}
 	dbName = filepath.Base(dbName)
-	return
+	return dbName, nil
 }
 
-func (*SQLite) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) error {
-	tx, err := db.Begin()
+func (*SQLite) tableNames(q queryable) ([]string, error) {
+	query := `
+		SELECT name
+		FROM sqlite_master
+		WHERE type = 'table';
+	`
+	rows, err := q.Query(query)
 	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var tables []string
+	for rows.Next() {
+		var table string
+		if err = rows.Scan(&table); err != nil {
+			return nil, err
+		}
+		tables = append(tables, table)
+	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
+	return tables, nil
+}
+
+func (*SQLite) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
+	defer func() {
+		if _, err2 := db.Exec("PRAGMA defer_foreign_keys = OFF"); err2 != nil && err == nil {
+			err = err2
+		}
+	}()
+
+	if _, err = db.Exec("PRAGMA defer_foreign_keys = ON"); err != nil {
 		return err
 	}
 
-	if _, err = tx.Exec("PRAGMA defer_foreign_keys = ON"); err != nil {
+	tx, err := db.Begin()
+	if err != nil {
 		return err
 	}
+	defer tx.Rollback()
 
 	if err = loadFn(tx); err != nil {
 		return err
diff --git a/vendor/gopkg.in/testfixtures.v2/sqlserver.go b/vendor/gopkg.in/testfixtures.v2/sqlserver.go
index 1399f5c400..d2fc854797 100644
--- a/vendor/gopkg.in/testfixtures.v2/sqlserver.go
+++ b/vendor/gopkg.in/testfixtures.v2/sqlserver.go
@@ -3,6 +3,7 @@ package testfixtures
 import (
 	"database/sql"
 	"fmt"
+	"strings"
 )
 
 // SQLServer is the helper for SQL Server for this package.
@@ -16,7 +17,7 @@ type SQLServer struct {
 func (h *SQLServer) init(db *sql.DB) error {
 	var err error
 
-	h.tables, err = h.getTables(db)
+	h.tables, err = h.tableNames(db)
 	if err != nil {
 		return err
 	}
@@ -28,46 +29,62 @@ func (*SQLServer) paramType() int {
 	return paramTypeQuestion
 }
 
-func (*SQLServer) quoteKeyword(str string) string {
-	return fmt.Sprintf("[%s]", str)
+func (*SQLServer) quoteKeyword(s string) string {
+	parts := strings.Split(s, ".")
+	for i, p := range parts {
+		parts[i] = fmt.Sprintf(`[%s]`, p)
+	}
+	return strings.Join(parts, ".")
 }
 
-func (*SQLServer) databaseName(db *sql.DB) (dbname string) {
-	db.QueryRow("SELECT DB_NAME()").Scan(&dbname)
-	return
+func (*SQLServer) databaseName(q queryable) (string, error) {
+	var dbName string
+	err := q.QueryRow("SELECT DB_NAME()").Scan(&dbName)
+	return dbName, err
 }
 
-func (*SQLServer) getTables(db *sql.DB) ([]string, error) {
-	rows, err := db.Query("SELECT table_name FROM information_schema.tables")
+func (*SQLServer) tableNames(q queryable) ([]string, error) {
+	rows, err := q.Query("SELECT table_schema + '.' + table_name FROM information_schema.tables")
 	if err != nil {
 		return nil, err
 	}
-
-	tables := make([]string, 0)
 	defer rows.Close()
+
+	var tables []string
 	for rows.Next() {
 		var table string
-		rows.Scan(&table)
+		if err = rows.Scan(&table); err != nil {
+			return nil, err
+		}
 		tables = append(tables, table)
 	}
+	if err = rows.Err(); err != nil {
+		return nil, err
+	}
 	return tables, nil
 }
 
-func (*SQLServer) tableHasIdentityColumn(tx *sql.Tx, tableName string) bool {
+func (h *SQLServer) tableHasIdentityColumn(q queryable, tableName string) bool {
 	sql := `
-SELECT COUNT(*)
-FROM SYS.IDENTITY_COLUMNS
-WHERE OBJECT_NAME(OBJECT_ID) = ?
-`
+		SELECT COUNT(*)
+		FROM SYS.IDENTITY_COLUMNS
+		WHERE OBJECT_ID = OBJECT_ID(?)
+	`
 	var count int
-	tx.QueryRow(sql, tableName).Scan(&count)
+	q.QueryRow(sql, h.quoteKeyword(tableName)).Scan(&count)
 	return count > 0
 
 }
 
-func (h *SQLServer) whileInsertOnTable(tx *sql.Tx, tableName string, fn func() error) error {
+func (h *SQLServer) whileInsertOnTable(tx *sql.Tx, tableName string, fn func() error) (err error) {
 	if h.tableHasIdentityColumn(tx, tableName) {
-		defer tx.Exec(fmt.Sprintf("SET IDENTITY_INSERT %s OFF", h.quoteKeyword(tableName)))
+		defer func() {
+			_, err2 := tx.Exec(fmt.Sprintf("SET IDENTITY_INSERT %s OFF", h.quoteKeyword(tableName)))
+			if err2 != nil && err == nil {
+				err = err2
+			}
+		}()
+
 		_, err := tx.Exec(fmt.Sprintf("SET IDENTITY_INSERT %s ON", h.quoteKeyword(tableName)))
 		if err != nil {
 			return err
@@ -76,19 +93,19 @@ func (h *SQLServer) whileInsertOnTable(tx *sql.Tx, tableName string, fn func() e
 	return fn()
 }
 
-func (h *SQLServer) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) error {
+func (h *SQLServer) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
 	// ensure the triggers are re-enable after all
 	defer func() {
-		sql := ""
+		var sql string
 		for _, table := range h.tables {
 			sql += fmt.Sprintf("ALTER TABLE %s WITH CHECK CHECK CONSTRAINT ALL;", h.quoteKeyword(table))
 		}
-		if _, err := db.Exec(sql); err != nil {
-			fmt.Printf("Error on re-enabling constraints: %v\n", err)
+		if _, err2 := db.Exec(sql); err2 != nil && err == nil {
+			err = err2
 		}
 	}()
 
-	sql := ""
+	var sql string
 	for _, table := range h.tables {
 		sql += fmt.Sprintf("ALTER TABLE %s NOCHECK CONSTRAINT ALL;", h.quoteKeyword(table))
 	}
@@ -100,11 +117,19 @@ func (h *SQLServer) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction)
 	if err != nil {
 		return err
 	}
+	defer tx.Rollback()
 
 	if err = loadFn(tx); err != nil {
-		tx.Rollback()
 		return err
 	}
 
 	return tx.Commit()
 }
+
+// splitter is a batchSplitter interface implementation. We need it for
+// SQL Server because commands like a `CREATE SCHEMA...` and a `CREATE TABLE...`
+// could not be executed in the same batch.
+// See https://docs.microsoft.com/en-us/previous-versions/sql/sql-server-2008-r2/ms175502(v=sql.105)#rules-for-using-batches
+func (*SQLServer) splitter() []byte {
+	return []byte("GO\n")
+}
diff --git a/vendor/gopkg.in/testfixtures.v2/testfixtures.go b/vendor/gopkg.in/testfixtures.v2/testfixtures.go
index bd95580f2a..dfc59c1efc 100644
--- a/vendor/gopkg.in/testfixtures.v2/testfixtures.go
+++ b/vendor/gopkg.in/testfixtures.v2/testfixtures.go
@@ -2,7 +2,6 @@ package testfixtures
 
 import (
 	"database/sql"
-	"errors"
 	"fmt"
 	"io/ioutil"
 	"path"
@@ -33,22 +32,10 @@ type insertSQL struct {
 }
 
 var (
-	// ErrWrongCastNotAMap is returned when a map is not a map[interface{}]interface{}
-	ErrWrongCastNotAMap = errors.New("Could not cast record: not a map[interface{}]interface{}")
-
-	// ErrFileIsNotSliceOrMap is returned the the fixture file is not a slice or map.
-	ErrFileIsNotSliceOrMap = errors.New("The fixture file is not a slice or map")
-
-	// ErrKeyIsNotString is returned when a record is not of type string
-	ErrKeyIsNotString = errors.New("Record map key is not string")
-
-	// ErrNotTestDatabase is returned when the database name doesn't contains "test"
-	ErrNotTestDatabase = errors.New(`Loading aborted because the database name does not contains "test"`)
-
 	dbnameRegexp = regexp.MustCompile("(?i)test")
 )
 
-// NewFolder craetes a context for all fixtures in a given folder into the database:
+// NewFolder creates a context for all fixtures in a given folder into the database:
 //     NewFolder(db, &PostgreSQL{}, "my/fixtures/folder")
 func NewFolder(db *sql.DB, helper Helper, folderName string) (*Context, error) {
 	fixtures, err := fixturesFromFolder(folderName)
@@ -64,7 +51,7 @@ func NewFolder(db *sql.DB, helper Helper, folderName string) (*Context, error) {
 	return c, nil
 }
 
-// NewFiles craetes a context for all specified fixtures files into database:
+// NewFiles creates a context for all specified fixtures files into database:
 //     NewFiles(db, &PostgreSQL{},
 //         "fixtures/customers.yml",
 //         "fixtures/orders.yml"
@@ -102,27 +89,55 @@ func newContext(db *sql.DB, helper Helper, fixtures []*fixtureFile) (*Context, e
 	return c, nil
 }
 
+// DetectTestDatabase returns nil if databaseName matches regexp
+//     if err := fixtures.DetectTestDatabase(); err != nil {
+//         log.Fatal(err)
+//     }
+func (c *Context) DetectTestDatabase() error {
+	dbName, err := c.helper.databaseName(c.db)
+	if err != nil {
+		return err
+	}
+	if !dbnameRegexp.MatchString(dbName) {
+		return ErrNotTestDatabase
+	}
+	return nil
+}
+
 // Load wipes and after load all fixtures in the database.
 //     if err := fixtures.Load(); err != nil {
 //         log.Fatal(err)
 //     }
 func (c *Context) Load() error {
 	if !skipDatabaseNameCheck {
-		if !dbnameRegexp.MatchString(c.helper.databaseName(c.db)) {
-			return ErrNotTestDatabase
+		if err := c.DetectTestDatabase(); err != nil {
+			return err
 		}
 	}
 
 	err := c.helper.disableReferentialIntegrity(c.db, func(tx *sql.Tx) error {
 		for _, file := range c.fixturesFiles {
+			modified, err := c.helper.isTableModified(tx, file.fileNameWithoutExtension())
+			if err != nil {
+				return err
+			}
+			if !modified {
+				continue
+			}
 			if err := file.delete(tx, c.helper); err != nil {
 				return err
 			}
 
-			err := c.helper.whileInsertOnTable(tx, file.fileNameWithoutExtension(), func() error {
-				for _, i := range file.insertSQLs {
+			err = c.helper.whileInsertOnTable(tx, file.fileNameWithoutExtension(), func() error {
+				for j, i := range file.insertSQLs {
 					if _, err := tx.Exec(i.sql, i.params...); err != nil {
-						return err
+						return &InsertError{
+							Err:    err,
+							File:   file.fileName,
+							Index:  j,
+							SQL:    i.sql,
+							Params: i.params,
+						}
 					}
 				}
 				return nil
@@ -133,7 +148,10 @@ func (c *Context) Load() error {
 		}
 		return nil
 	})
-	return err
+	if err != nil {
+		return err
+	}
+	return c.helper.afterLoad(c.db)
 }
 
 func (c *Context) buildInsertSQLs() error {
@@ -204,25 +222,33 @@ func (f *fixtureFile) buildInsertSQL(h Helper, record map[interface{}]interface{
 
 		sqlColumns = append(sqlColumns, h.quoteKeyword(keyStr))
 
+		// if string, try convert to SQL or time
+		// if map or array, convert to json
+		switch v := value.(type) {
+		case string:
+			if strings.HasPrefix(v, "RAW=") {
+				sqlValues = append(sqlValues, strings.TrimPrefix(v, "RAW="))
+				continue
+			}
+
+			if t, err := tryStrToDate(v); err == nil {
+				value = t
+			}
+		case []interface{}, map[interface{}]interface{}:
+			value = recursiveToJSON(v)
+		}
+
 		switch h.paramType() {
 		case paramTypeDollar:
 			sqlValues = append(sqlValues, fmt.Sprintf("$%d", i))
 		case paramTypeQuestion:
 			sqlValues = append(sqlValues, "?")
 		case paramTypeColon:
-			switch {
-			case isDateTime(value):
-				sqlValues = append(sqlValues, fmt.Sprintf("to_date(:%d, 'YYYY-MM-DD HH24:MI:SS')", i))
-			case isDate(value):
-				sqlValues = append(sqlValues, fmt.Sprintf("to_date(:%d, 'YYYY-MM-DD')", i))
-			case isTime(value):
-				sqlValues = append(sqlValues, fmt.Sprintf("to_date(:%d, 'HH24:MI:SS')", i))
-			default:
-				sqlValues = append(sqlValues, fmt.Sprintf(":%d", i))
-			}
+			sqlValues = append(sqlValues, fmt.Sprintf(":%d", i))
 		}
-		i++
+
 		values = append(values, value)
+		i++
 	}
 
 	sqlStr = fmt.Sprintf(
diff --git a/vendor/gopkg.in/testfixtures.v2/time.go b/vendor/gopkg.in/testfixtures.v2/time.go
index 6796707500..8c5cba1d03 100644
--- a/vendor/gopkg.in/testfixtures.v2/time.go
+++ b/vendor/gopkg.in/testfixtures.v2/time.go
@@ -1,36 +1,34 @@
 package testfixtures
 
-import "regexp"
-
-var (
-	regexpDate     = regexp.MustCompile("\\d\\d\\d\\d-\\d\\d-\\d\\d")
-	regexpDateTime = regexp.MustCompile("\\d\\d\\d\\d-\\d\\d-\\d\\d \\d\\d:\\d\\d:\\d\\d")
-	regexpTime     = regexp.MustCompile("\\d\\d:\\d\\d:\\d\\d")
+import (
+	"errors"
+	"time"
 )
 
-func isDate(value interface{}) bool {
-	str, isStr := value.(string)
-	if !isStr {
-		return false
-	}
-
-	return regexpDate.MatchString(str)
+var timeFormats = []string{
+	"2006-01-02",
+	"2006-01-02 15:04",
+	"2006-01-02 15:04:05",
+	"20060102",
+	"20060102 15:04",
+	"20060102 15:04:05",
+	"02/01/2006",
+	"02/01/2006 15:04",
+	"02/01/2006 15:04:05",
+	"2006-01-02T15:04-07:00",
+	"2006-01-02T15:04:05-07:00",
 }
 
-func isDateTime(value interface{}) bool {
-	str, isStr := value.(string)
-	if !isStr {
-		return false
-	}
+// ErrCouldNotConvertToTime is returns when a string is not a reconizable time format
+var ErrCouldNotConvertToTime = errors.New("Could not convert string to time")
 
-	return regexpDateTime.MatchString(str)
-}
-
-func isTime(value interface{}) bool {
-	str, isStr := value.(string)
-	if !isStr {
-		return false
+func tryStrToDate(s string) (time.Time, error) {
+	for _, f := range timeFormats {
+		t, err := time.ParseInLocation(f, s, time.Local)
+		if err != nil {
+			continue
+		}
+		return t, nil
 	}
-
-	return regexpTime.MatchString(str)
+	return time.Time{}, ErrCouldNotConvertToTime
 }