mirror of
https://github.com/superseriousbusiness/gotosocial.git
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6a76b9d609
* add experimental build-tag 'nowasm' which uses local ffmpeg / ffprobe * updated experimental support message * add comment to build script explaining build tag * add nowasm build tags to moderncsqlite files
198 lines
5.6 KiB
Go
198 lines
5.6 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//go:build moderncsqlite3 || nowasm
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package sqlite
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import (
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"context"
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"database/sql/driver"
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"modernc.org/sqlite"
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"github.com/superseriousbusiness/gotosocial/internal/db"
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)
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// Driver is our own wrapper around the
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// sqlite.Driver{} type in order to wrap
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// further SQL types with our own
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// functionality, e.g. err processing.
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type Driver struct{ sqlite.Driver }
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func (d *Driver) Open(name string) (driver.Conn, error) {
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conn, err := d.Driver.Open(name)
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if err != nil {
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err = processSQLiteError(err)
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return nil, err
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}
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return &sqliteConn{conn.(connIface)}, nil
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}
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type sqliteConn struct{ connIface }
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func (c *sqliteConn) Begin() (driver.Tx, error) {
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return c.BeginTx(context.Background(), driver.TxOptions{})
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}
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func (c *sqliteConn) BeginTx(ctx context.Context, opts driver.TxOptions) (tx driver.Tx, err error) {
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tx, err = c.connIface.BeginTx(ctx, opts)
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err = processSQLiteError(err)
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if err != nil {
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return nil, err
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}
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return &sqliteTx{tx}, nil
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}
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func (c *sqliteConn) Prepare(query string) (driver.Stmt, error) {
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return c.PrepareContext(context.Background(), query)
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}
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func (c *sqliteConn) PrepareContext(ctx context.Context, query string) (stmt driver.Stmt, err error) {
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stmt, err = c.connIface.PrepareContext(ctx, query)
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err = processSQLiteError(err)
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if err != nil {
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return nil, err
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}
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return &sqliteStmt{stmtIface: stmt.(stmtIface)}, nil
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}
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func (c *sqliteConn) Exec(query string, args []driver.Value) (driver.Result, error) {
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return c.ExecContext(context.Background(), query, db.ToNamedValues(args))
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}
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func (c *sqliteConn) ExecContext(ctx context.Context, query string, args []driver.NamedValue) (res driver.Result, err error) {
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res, err = c.connIface.ExecContext(ctx, query, args)
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err = processSQLiteError(err)
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return
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}
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func (c *sqliteConn) Query(query string, args []driver.Value) (driver.Rows, error) {
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return c.QueryContext(context.Background(), query, db.ToNamedValues(args))
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}
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func (c *sqliteConn) QueryContext(ctx context.Context, query string, args []driver.NamedValue) (rows driver.Rows, err error) {
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rows, err = c.connIface.QueryContext(ctx, query, args)
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err = processSQLiteError(err)
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if err != nil {
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return nil, err
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}
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return &sqliteRows{rows.(rowsIface)}, nil
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}
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func (c *sqliteConn) Close() (err error) {
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// see: https://www.sqlite.org/pragma.html#pragma_optimize
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const onClose = "PRAGMA analysis_limit=1000; PRAGMA optimize;"
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_, _ = c.connIface.ExecContext(context.Background(), onClose, nil)
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// Finally, close the conn.
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err = c.connIface.Close()
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return
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}
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type sqliteTx struct{ driver.Tx }
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func (tx *sqliteTx) Commit() (err error) {
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err = tx.Tx.Commit()
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err = processSQLiteError(err)
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return
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}
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func (tx *sqliteTx) Rollback() (err error) {
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err = tx.Tx.Rollback()
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err = processSQLiteError(err)
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return
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}
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type sqliteStmt struct{ stmtIface }
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func (stmt *sqliteStmt) Exec(args []driver.Value) (driver.Result, error) {
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return stmt.ExecContext(context.Background(), db.ToNamedValues(args))
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}
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func (stmt *sqliteStmt) ExecContext(ctx context.Context, args []driver.NamedValue) (res driver.Result, err error) {
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res, err = stmt.stmtIface.ExecContext(ctx, args)
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err = processSQLiteError(err)
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return
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}
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func (stmt *sqliteStmt) Query(args []driver.Value) (driver.Rows, error) {
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return stmt.QueryContext(context.Background(), db.ToNamedValues(args))
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}
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func (stmt *sqliteStmt) QueryContext(ctx context.Context, args []driver.NamedValue) (rows driver.Rows, err error) {
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rows, err = stmt.stmtIface.QueryContext(ctx, args)
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err = processSQLiteError(err)
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if err != nil {
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return nil, err
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}
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return &sqliteRows{rows.(rowsIface)}, nil
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}
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func (stmt *sqliteStmt) Close() (err error) {
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err = stmt.stmtIface.Close()
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err = processSQLiteError(err)
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return
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}
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type sqliteRows struct{ rowsIface }
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func (r *sqliteRows) Next(dest []driver.Value) (err error) {
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err = r.rowsIface.Next(dest)
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err = processSQLiteError(err)
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return
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}
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func (r *sqliteRows) Close() (err error) {
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err = r.rowsIface.Close()
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err = processSQLiteError(err)
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return
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}
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// connIface is the driver.Conn interface
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// types (and the like) that modernc.org/sqlite.conn
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// conforms to. Useful so you don't need
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// to repeatedly perform checks yourself.
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type connIface interface {
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driver.Conn
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driver.ConnBeginTx
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driver.ConnPrepareContext
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driver.ExecerContext
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driver.QueryerContext
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}
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// StmtIface is the driver.Stmt interface
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// types (and the like) that modernc.org/sqlite.stmt
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// conforms to. Useful so you don't need
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// to repeatedly perform checks yourself.
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type stmtIface interface {
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driver.Stmt
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driver.StmtExecContext
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driver.StmtQueryContext
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}
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// RowsIface is the driver.Rows interface
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// types (and the like) that modernc.org/sqlite.rows
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// conforms to. Useful so you don't need
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// to repeatedly perform checks yourself.
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type rowsIface interface {
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driver.Rows
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driver.RowsColumnTypeDatabaseTypeName
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driver.RowsColumnTypeLength
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driver.RowsColumnTypeScanType
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}
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