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* update github.com/blevesearch/bleve v2.0.2 -> v2.0.3 * github.com/denisenkom/go-mssqldb v0.9.0 -> v0.10.0 * github.com/editorconfig/editorconfig-core-go v2.4.1 -> v2.4.2 * github.com/go-chi/cors v1.1.1 -> v1.2.0 * github.com/go-git/go-billy v5.0.0 -> v5.1.0 * github.com/go-git/go-git v5.2.0 -> v5.3.0 * github.com/go-ldap/ldap v3.2.4 -> v3.3.0 * github.com/go-redis/redis v8.6.0 -> v8.8.2 * github.com/go-sql-driver/mysql v1.5.0 -> v1.6.0 * github.com/go-swagger/go-swagger v0.26.1 -> v0.27.0 * github.com/lib/pq v1.9.0 -> v1.10.1 * github.com/mattn/go-sqlite3 v1.14.6 -> v1.14.7 * github.com/go-testfixtures/testfixtures v3.5.0 -> v3.6.0 * github.com/issue9/identicon v1.0.1 -> v1.2.0 * github.com/klauspost/compress v1.11.8 -> v1.12.1 * github.com/mgechev/revive v1.0.3 -> v1.0.6 * github.com/microcosm-cc/bluemonday v1.0.7 -> v1.0.8 * github.com/niklasfasching/go-org v1.4.0 -> v1.5.0 * github.com/olivere/elastic v7.0.22 -> v7.0.24 * github.com/pelletier/go-toml v1.8.1 -> v1.9.0 * github.com/prometheus/client_golang v1.9.0 -> v1.10.0 * github.com/xanzy/go-gitlab v0.44.0 -> v0.48.0 * github.com/yuin/goldmark v1.3.3 -> v1.3.5 * github.com/6543/go-version v1.2.4 -> v1.3.1 * do github.com/lib/pq v1.10.0 -> v1.10.1 again ...
160 lines
3.1 KiB
Go
Vendored
160 lines
3.1 KiB
Go
Vendored
package testfixtures
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import (
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"database/sql"
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"fmt"
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)
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type mySQL struct {
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baseHelper
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skipResetSequences bool
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resetSequencesTo int64
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tables []string
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tablesChecksum map[string]int64
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}
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func (h *mySQL) init(db *sql.DB) error {
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var err error
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h.tables, err = h.tableNames(db)
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if err != nil {
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return err
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}
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return nil
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}
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func (*mySQL) paramType() int {
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return paramTypeQuestion
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}
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func (*mySQL) quoteKeyword(str string) string {
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return fmt.Sprintf("`%s`", str)
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}
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func (*mySQL) databaseName(q queryable) (string, error) {
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var dbName string
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err := q.QueryRow("SELECT DATABASE()").Scan(&dbName)
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return dbName, err
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}
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func (h *mySQL) tableNames(q queryable) ([]string, error) {
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const query = `
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SELECT table_name
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FROM information_schema.tables
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WHERE table_schema = ?
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AND table_type = 'BASE TABLE';
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`
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dbName, err := h.databaseName(q)
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if err != nil {
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return nil, err
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}
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rows, err := q.Query(query, dbName)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var tables []string
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for rows.Next() {
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var table string
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if err = rows.Scan(&table); err != nil {
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return nil, err
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}
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tables = append(tables, table)
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}
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if err = rows.Err(); err != nil {
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return nil, err
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}
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return tables, nil
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}
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func (h *mySQL) disableReferentialIntegrity(db *sql.DB, loadFn loadFunction) (err error) {
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if !h.skipResetSequences {
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defer func() {
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if err2 := h.resetSequences(db); err2 != nil && err == nil {
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err = err2
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}
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}()
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}
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tx, err := db.Begin()
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if err != nil {
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return err
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}
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defer tx.Rollback()
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if _, err = tx.Exec("SET FOREIGN_KEY_CHECKS = 0"); err != nil {
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return err
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}
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err = loadFn(tx)
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_, err2 := tx.Exec("SET FOREIGN_KEY_CHECKS = 1")
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if err != nil {
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return err
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}
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if err2 != nil {
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return err2
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}
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return tx.Commit()
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}
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func (h *mySQL) resetSequences(db *sql.DB) error {
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resetSequencesTo := h.resetSequencesTo
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if resetSequencesTo == 0 {
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resetSequencesTo = 10000
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}
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for _, t := range h.tables {
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if _, err := db.Exec(fmt.Sprintf("ALTER TABLE %s AUTO_INCREMENT = %d", h.quoteKeyword(t), resetSequencesTo)); err != nil {
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return err
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}
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}
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return nil
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}
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func (h *mySQL) isTableModified(q queryable, tableName string) (bool, error) {
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checksum, err := h.getChecksum(q, tableName)
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if err != nil {
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return true, err
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}
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oldChecksum := h.tablesChecksum[tableName]
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return oldChecksum == 0 || checksum != oldChecksum, nil
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}
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func (h *mySQL) afterLoad(q queryable) error {
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if h.tablesChecksum != nil {
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return nil
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}
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h.tablesChecksum = make(map[string]int64, len(h.tables))
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for _, t := range h.tables {
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checksum, err := h.getChecksum(q, t)
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if err != nil {
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return err
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}
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h.tablesChecksum[t] = checksum
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}
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return nil
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}
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func (h *mySQL) getChecksum(q queryable, tableName string) (int64, error) {
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query := fmt.Sprintf("CHECKSUM TABLE %s", h.quoteKeyword(tableName))
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var (
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table string
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checksum sql.NullInt64
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)
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if err := q.QueryRow(query).Scan(&table, &checksum); err != nil {
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return 0, err
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}
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if !checksum.Valid {
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return 0, fmt.Errorf("testfixtures: table %s does not exist", tableName)
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}
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return checksum.Int64, nil
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}
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