83 lines
2 KiB
Go
83 lines
2 KiB
Go
package sqlstore
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import (
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"database/sql"
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sq "github.com/Masterminds/squirrel"
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"github.com/mattermost/mattermost-server/v6/shared/mlog"
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)
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const (
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mysqlDBType = "mysql"
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sqliteDBType = "sqlite3"
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postgresDBType = "postgres"
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)
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// SQLStore is a SQL database.
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type SQLStore struct {
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db *sql.DB
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dbType string
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tablePrefix string
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connectionString string
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isPlugin bool
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logger *mlog.Logger
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}
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// New creates a new SQL implementation of the store.
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func New(dbType, connectionString, tablePrefix string, logger *mlog.Logger, db *sql.DB, isPlugin bool) (*SQLStore, error) {
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logger.Info("connectDatabase", mlog.String("dbType", dbType))
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store := &SQLStore{
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// TODO: add replica DB support too.
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db: db,
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dbType: dbType,
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tablePrefix: tablePrefix,
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connectionString: connectionString,
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logger: logger,
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isPlugin: isPlugin,
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}
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err := store.Migrate()
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if err != nil {
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logger.Error(`Table creation / migration failed`, mlog.Err(err))
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return nil, err
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}
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if err := store.InitializeTemplates(); err != nil {
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logger.Error(`InitializeTemplates failed`, mlog.Err(err))
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}
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return store, nil
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}
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// Shutdown close the connection with the store.
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func (s *SQLStore) Shutdown() error {
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return s.db.Close()
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}
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// DBHandle returns the raw sql.DB handle.
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// It is used by the mattermostauthlayer to run their own
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// raw SQL queries.
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func (s *SQLStore) DBHandle() *sql.DB {
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return s.db
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}
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func (s *SQLStore) getQueryBuilder(db sq.BaseRunner) sq.StatementBuilderType {
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builder := sq.StatementBuilder
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if s.dbType == postgresDBType || s.dbType == sqliteDBType {
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builder = builder.PlaceholderFormat(sq.Dollar)
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}
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return builder.RunWith(db)
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}
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func (s *SQLStore) escapeField(fieldName string) string { //nolint:unparam
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if s.dbType == mysqlDBType {
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return "`" + fieldName + "`"
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}
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if s.dbType == postgresDBType || s.dbType == sqliteDBType {
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return "\"" + fieldName + "\""
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}
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return fieldName
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}
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