[chore] remove vendor

1 files changed, 0 insertions, 2470 deletions

diff --git a/vendor/modernc.org/sqlite/sqlite.go b/vendor/modernc.org/sqlite/sqlite.go
deleted file mode 100644
index 1e7e437ab..000000000
--- a/vendor/modernc.org/sqlite/sqlite.go
+++ /dev/null
@@ -1,2470 +0,0 @@
-// Copyright 2017 The Sqlite Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-//go:generate go run generator.go -full-path-comments
-
-package sqlite // import "modernc.org/sqlite"
-
-import (
-	"context"
-	"database/sql"
-	"database/sql/driver"
-	"errors"
-	"fmt"
-	"io"
-	"math"
-	"math/bits"
-	"net/url"
-	"reflect"
-	"runtime"
-	"sort"
-	"strconv"
-	"strings"
-	"sync"
-	"time"
-	"unsafe"
-
-	"modernc.org/libc"
-	"modernc.org/libc/sys/types"
-	sqlite3 "modernc.org/sqlite/lib"
-)
-
-var (
-	_ driver.Conn   = (*conn)(nil)
-	_ driver.Driver = (*Driver)(nil)
-	//lint:ignore SA1019 TODO implement ExecerContext
-	_ driver.Execer = (*conn)(nil)
-	//lint:ignore SA1019 TODO implement QueryerContext
-	_ driver.Queryer                        = (*conn)(nil)
-	_ driver.Result                         = (*result)(nil)
-	_ driver.Rows                           = (*rows)(nil)
-	_ driver.RowsColumnTypeDatabaseTypeName = (*rows)(nil)
-	_ driver.RowsColumnTypeLength           = (*rows)(nil)
-	_ driver.RowsColumnTypeNullable         = (*rows)(nil)
-	_ driver.RowsColumnTypePrecisionScale   = (*rows)(nil)
-	_ driver.RowsColumnTypeScanType         = (*rows)(nil)
-	_ driver.Stmt                           = (*stmt)(nil)
-	_ driver.Tx                             = (*tx)(nil)
-	_ error                                 = (*Error)(nil)
-)
-
-const (
-	driverName              = "sqlite"
-	ptrSize                 = unsafe.Sizeof(uintptr(0))
-	sqliteLockedSharedcache = sqlite3.SQLITE_LOCKED | (1 << 8)
-)
-
-// https://gitlab.com/cznic/sqlite/-/issues/199
-func init() {
-	sqlite3.PatchIssue199()
-}
-
-// Error represents sqlite library error code.
-type Error struct {
-	msg  string
-	code int
-}
-
-// Error implements error.
-func (e *Error) Error() string { return e.msg }
-
-// Code returns the sqlite result code for this error.
-func (e *Error) Code() int { return e.code }
-
-var (
-	// ErrorCodeString maps Error.Code() to its string representation.
-	ErrorCodeString = map[int]string{
-		sqlite3.SQLITE_ABORT:             "Callback routine requested an abort (SQLITE_ABORT)",
-		sqlite3.SQLITE_AUTH:              "Authorization denied (SQLITE_AUTH)",
-		sqlite3.SQLITE_BUSY:              "The database file is locked (SQLITE_BUSY)",
-		sqlite3.SQLITE_CANTOPEN:          "Unable to open the database file (SQLITE_CANTOPEN)",
-		sqlite3.SQLITE_CONSTRAINT:        "Abort due to constraint violation (SQLITE_CONSTRAINT)",
-		sqlite3.SQLITE_CORRUPT:           "The database disk image is malformed (SQLITE_CORRUPT)",
-		sqlite3.SQLITE_DONE:              "sqlite3_step() has finished executing (SQLITE_DONE)",
-		sqlite3.SQLITE_EMPTY:             "Internal use only (SQLITE_EMPTY)",
-		sqlite3.SQLITE_ERROR:             "Generic error (SQLITE_ERROR)",
-		sqlite3.SQLITE_FORMAT:            "Not used (SQLITE_FORMAT)",
-		sqlite3.SQLITE_FULL:              "Insertion failed because database is full (SQLITE_FULL)",
-		sqlite3.SQLITE_INTERNAL:          "Internal logic error in SQLite (SQLITE_INTERNAL)",
-		sqlite3.SQLITE_INTERRUPT:         "Operation terminated by sqlite3_interrupt()(SQLITE_INTERRUPT)",
-		sqlite3.SQLITE_IOERR | (1 << 8):  "(SQLITE_IOERR_READ)",
-		sqlite3.SQLITE_IOERR | (10 << 8): "(SQLITE_IOERR_DELETE)",
-		sqlite3.SQLITE_IOERR | (11 << 8): "(SQLITE_IOERR_BLOCKED)",
-		sqlite3.SQLITE_IOERR | (12 << 8): "(SQLITE_IOERR_NOMEM)",
-		sqlite3.SQLITE_IOERR | (13 << 8): "(SQLITE_IOERR_ACCESS)",
-		sqlite3.SQLITE_IOERR | (14 << 8): "(SQLITE_IOERR_CHECKRESERVEDLOCK)",
-		sqlite3.SQLITE_IOERR | (15 << 8): "(SQLITE_IOERR_LOCK)",
-		sqlite3.SQLITE_IOERR | (16 << 8): "(SQLITE_IOERR_CLOSE)",
-		sqlite3.SQLITE_IOERR | (17 << 8): "(SQLITE_IOERR_DIR_CLOSE)",
-		sqlite3.SQLITE_IOERR | (2 << 8):  "(SQLITE_IOERR_SHORT_READ)",
-		sqlite3.SQLITE_IOERR | (3 << 8):  "(SQLITE_IOERR_WRITE)",
-		sqlite3.SQLITE_IOERR | (4 << 8):  "(SQLITE_IOERR_FSYNC)",
-		sqlite3.SQLITE_IOERR | (5 << 8):  "(SQLITE_IOERR_DIR_FSYNC)",
-		sqlite3.SQLITE_IOERR | (6 << 8):  "(SQLITE_IOERR_TRUNCATE)",
-		sqlite3.SQLITE_IOERR | (7 << 8):  "(SQLITE_IOERR_FSTAT)",
-		sqlite3.SQLITE_IOERR | (8 << 8):  "(SQLITE_IOERR_UNLOCK)",
-		sqlite3.SQLITE_IOERR | (9 << 8):  "(SQLITE_IOERR_RDLOCK)",
-		sqlite3.SQLITE_IOERR:             "Some kind of disk I/O error occurred (SQLITE_IOERR)",
-		sqlite3.SQLITE_LOCKED | (1 << 8): "(SQLITE_LOCKED_SHAREDCACHE)",
-		sqlite3.SQLITE_LOCKED:            "A table in the database is locked (SQLITE_LOCKED)",
-		sqlite3.SQLITE_MISMATCH:          "Data type mismatch (SQLITE_MISMATCH)",
-		sqlite3.SQLITE_MISUSE:            "Library used incorrectly (SQLITE_MISUSE)",
-		sqlite3.SQLITE_NOLFS:             "Uses OS features not supported on host (SQLITE_NOLFS)",
-		sqlite3.SQLITE_NOMEM:             "A malloc() failed (SQLITE_NOMEM)",
-		sqlite3.SQLITE_NOTADB:            "File opened that is not a database file (SQLITE_NOTADB)",
-		sqlite3.SQLITE_NOTFOUND:          "Unknown opcode in sqlite3_file_control() (SQLITE_NOTFOUND)",
-		sqlite3.SQLITE_NOTICE:            "Notifications from sqlite3_log() (SQLITE_NOTICE)",
-		sqlite3.SQLITE_PERM:              "Access permission denied (SQLITE_PERM)",
-		sqlite3.SQLITE_PROTOCOL:          "Database lock protocol error (SQLITE_PROTOCOL)",
-		sqlite3.SQLITE_RANGE:             "2nd parameter to sqlite3_bind out of range (SQLITE_RANGE)",
-		sqlite3.SQLITE_READONLY:          "Attempt to write a readonly database (SQLITE_READONLY)",
-		sqlite3.SQLITE_ROW:               "sqlite3_step() has another row ready (SQLITE_ROW)",
-		sqlite3.SQLITE_SCHEMA:            "The database schema changed (SQLITE_SCHEMA)",
-		sqlite3.SQLITE_TOOBIG:            "String or BLOB exceeds size limit (SQLITE_TOOBIG)",
-		sqlite3.SQLITE_WARNING:           "Warnings from sqlite3_log() (SQLITE_WARNING)",
-	}
-)
-
-func init() {
-	sql.Register(driverName, newDriver())
-}
-
-type result struct {
-	lastInsertID int64
-	rowsAffected int
-}
-
-func newResult(c *conn) (_ *result, err error) {
-	r := &result{}
-	if r.rowsAffected, err = c.changes(); err != nil {
-		return nil, err
-	}
-
-	if r.lastInsertID, err = c.lastInsertRowID(); err != nil {
-		return nil, err
-	}
-
-	return r, nil
-}
-
-// LastInsertId returns the database's auto-generated ID after, for example, an
-// INSERT into a table with primary key.
-func (r *result) LastInsertId() (int64, error) {
-	if r == nil {
-		return 0, nil
-	}
-
-	return r.lastInsertID, nil
-}
-
-// RowsAffected returns the number of rows affected by the query.
-func (r *result) RowsAffected() (int64, error) {
-	if r == nil {
-		return 0, nil
-	}
-
-	return int64(r.rowsAffected), nil
-}
-
-type rows struct {
-	allocs  []uintptr
-	c       *conn
-	columns []string
-	pstmt   uintptr
-
-	doStep bool
-	empty  bool
-}
-
-func newRows(c *conn, pstmt uintptr, allocs []uintptr, empty bool) (r *rows, err error) {
-	r = &rows{c: c, pstmt: pstmt, allocs: allocs, empty: empty}
-
-	defer func() {
-		if err != nil {
-			r.Close()
-			r = nil
-		}
-	}()
-
-	n, err := c.columnCount(pstmt)
-	if err != nil {
-		return nil, err
-	}
-
-	r.columns = make([]string, n)
-	for i := range r.columns {
-		if r.columns[i], err = r.c.columnName(pstmt, i); err != nil {
-			return nil, err
-		}
-	}
-
-	return r, nil
-}
-
-// Close closes the rows iterator.
-func (r *rows) Close() (err error) {
-	for _, v := range r.allocs {
-		r.c.free(v)
-	}
-	r.allocs = nil
-	return r.c.finalize(r.pstmt)
-}
-
-// Columns returns the names of the columns. The number of columns of the
-// result is inferred from the length of the slice. If a particular column name
-// isn't known, an empty string should be returned for that entry.
-func (r *rows) Columns() (c []string) {
-	return r.columns
-}
-
-// Next is called to populate the next row of data into the provided slice. The
-// provided slice will be the same size as the Columns() are wide.
-//
-// Next should return io.EOF when there are no more rows.
-func (r *rows) Next(dest []driver.Value) (err error) {
-	if r.empty {
-		return io.EOF
-	}
-
-	rc := sqlite3.SQLITE_ROW
-	if r.doStep {
-		if rc, err = r.c.step(r.pstmt); err != nil {
-			return err
-		}
-	}
-
-	r.doStep = true
-	switch rc {
-	case sqlite3.SQLITE_ROW:
-		if g, e := len(dest), len(r.columns); g != e {
-			return fmt.Errorf("sqlite: Next: have %v destination values, expected %v", g, e)
-		}
-
-		for i := range dest {
-			ct, err := r.c.columnType(r.pstmt, i)
-			if err != nil {
-				return err
-			}
-
-			switch ct {
-			case sqlite3.SQLITE_INTEGER:
-				v, err := r.c.columnInt64(r.pstmt, i)
-				if err != nil {
-					return err
-				}
-
-				dest[i] = v
-			case sqlite3.SQLITE_FLOAT:
-				v, err := r.c.columnDouble(r.pstmt, i)
-				if err != nil {
-					return err
-				}
-
-				dest[i] = v
-			case sqlite3.SQLITE_TEXT:
-				v, err := r.c.columnText(r.pstmt, i)
-				if err != nil {
-					return err
-				}
-
-				switch r.ColumnTypeDatabaseTypeName(i) {
-				case "DATE", "DATETIME", "TIMESTAMP":
-					dest[i], _ = r.c.parseTime(v)
-				default:
-					dest[i] = v
-				}
-			case sqlite3.SQLITE_BLOB:
-				v, err := r.c.columnBlob(r.pstmt, i)
-				if err != nil {
-					return err
-				}
-
-				dest[i] = v
-			case sqlite3.SQLITE_NULL:
-				dest[i] = nil
-			default:
-				return fmt.Errorf("internal error: rc %d", rc)
-			}
-		}
-		return nil
-	case sqlite3.SQLITE_DONE:
-		return io.EOF
-	default:
-		return r.c.errstr(int32(rc))
-	}
-}
-
-// Inspired by mattn/go-sqlite3: https://github.com/mattn/go-sqlite3/blob/ab91e934/sqlite3.go#L210-L226
-//
-// These time.Parse formats handle formats 1 through 7 listed at https://www.sqlite.org/lang_datefunc.html.
-var parseTimeFormats = []string{
-	"2006-01-02 15:04:05.999999999-07:00",
-	"2006-01-02T15:04:05.999999999-07:00",
-	"2006-01-02 15:04:05.999999999",
-	"2006-01-02T15:04:05.999999999",
-	"2006-01-02 15:04",
-	"2006-01-02T15:04",
-	"2006-01-02",
-}
-
-// Attempt to parse s as a time. Return (s, false) if s is not
-// recognized as a valid time encoding.
-func (c *conn) parseTime(s string) (interface{}, bool) {
-	if v, ok := c.parseTimeString(s, strings.Index(s, "m=")); ok {
-		return v, true
-	}
-
-	ts := strings.TrimSuffix(s, "Z")
-
-	for _, f := range parseTimeFormats {
-		t, err := time.Parse(f, ts)
-		if err == nil {
-			return t, true
-		}
-	}
-
-	return s, false
-}
-
-// Attempt to parse s as a time string produced by t.String().  If x > 0 it's
-// the index of substring "m=" within s.  Return (s, false) if s is
-// not recognized as a valid time encoding.
-func (c *conn) parseTimeString(s0 string, x int) (interface{}, bool) {
-	s := s0
-	if x > 0 {
-		s = s[:x] // "2006-01-02 15:04:05.999999999 -0700 MST m=+9999" -> "2006-01-02 15:04:05.999999999 -0700 MST "
-	}
-	s = strings.TrimSpace(s)
-	if t, err := time.Parse("2006-01-02 15:04:05.999999999 -0700 MST", s); err == nil {
-		return t, true
-	}
-
-	return s0, false
-}
-
-// writeTimeFormats are the names and formats supported
-// by the `_time_format` DSN query param.
-var writeTimeFormats = map[string]string{
-	"sqlite": parseTimeFormats[0],
-}
-
-func (c *conn) formatTime(t time.Time) string {
-	// Before configurable write time formats were supported,
-	// time.Time.String was used. Maintain that default to
-	// keep existing driver users formatting times the same.
-	if c.writeTimeFormat == "" {
-		return t.String()
-	}
-	return t.Format(c.writeTimeFormat)
-}
-
-// RowsColumnTypeDatabaseTypeName may be implemented by Rows. It should return
-// the database system type name without the length. Type names should be
-// uppercase. Examples of returned types: "VARCHAR", "NVARCHAR", "VARCHAR2",
-// "CHAR", "TEXT", "DECIMAL", "SMALLINT", "INT", "BIGINT", "BOOL", "[]BIGINT",
-// "JSONB", "XML", "TIMESTAMP".
-func (r *rows) ColumnTypeDatabaseTypeName(index int) string {
-	return strings.ToUpper(r.c.columnDeclType(r.pstmt, index))
-}
-
-// RowsColumnTypeLength may be implemented by Rows. It should return the length
-// of the column type if the column is a variable length type. If the column is
-// not a variable length type ok should return false. If length is not limited
-// other than system limits, it should return math.MaxInt64. The following are
-// examples of returned values for various types:
-//
-//	TEXT          (math.MaxInt64, true)
-//	varchar(10)   (10, true)
-//	nvarchar(10)  (10, true)
-//	decimal       (0, false)
-//	int           (0, false)
-//	bytea(30)     (30, true)
-func (r *rows) ColumnTypeLength(index int) (length int64, ok bool) {
-	t, err := r.c.columnType(r.pstmt, index)
-	if err != nil {
-		return 0, false
-	}
-
-	switch t {
-	case sqlite3.SQLITE_INTEGER:
-		return 0, false
-	case sqlite3.SQLITE_FLOAT:
-		return 0, false
-	case sqlite3.SQLITE_TEXT:
-		return math.MaxInt64, true
-	case sqlite3.SQLITE_BLOB:
-		return math.MaxInt64, true
-	case sqlite3.SQLITE_NULL:
-		return 0, false
-	default:
-		return 0, false
-	}
-}
-
-// RowsColumnTypeNullable may be implemented by Rows. The nullable value should
-// be true if it is known the column may be null, or false if the column is
-// known to be not nullable. If the column nullability is unknown, ok should be
-// false.
-func (r *rows) ColumnTypeNullable(index int) (nullable, ok bool) {
-	return true, true
-}
-
-// RowsColumnTypePrecisionScale may be implemented by Rows. It should return
-// the precision and scale for decimal types. If not applicable, ok should be
-// false. The following are examples of returned values for various types:
-//
-//	decimal(38, 4)    (38, 4, true)
-//	int               (0, 0, false)
-//	decimal           (math.MaxInt64, math.MaxInt64, true)
-func (r *rows) ColumnTypePrecisionScale(index int) (precision, scale int64, ok bool) {
-	return 0, 0, false
-}
-
-// RowsColumnTypeScanType may be implemented by Rows. It should return the
-// value type that can be used to scan types into. For example, the database
-// column type "bigint" this should return "reflect.TypeOf(int64(0))".
-func (r *rows) ColumnTypeScanType(index int) reflect.Type {
-	t, err := r.c.columnType(r.pstmt, index)
-	if err != nil {
-		return reflect.TypeOf("")
-	}
-
-	switch t {
-	case sqlite3.SQLITE_INTEGER:
-		switch strings.ToLower(r.c.columnDeclType(r.pstmt, index)) {
-		case "boolean":
-			return reflect.TypeOf(false)
-		case "date", "datetime", "time", "timestamp":
-			return reflect.TypeOf(time.Time{})
-		default:
-			return reflect.TypeOf(int64(0))
-		}
-	case sqlite3.SQLITE_FLOAT:
-		return reflect.TypeOf(float64(0))
-	case sqlite3.SQLITE_TEXT:
-		return reflect.TypeOf("")
-	case sqlite3.SQLITE_BLOB:
-		return reflect.TypeOf([]byte(nil))
-	case sqlite3.SQLITE_NULL:
-		return reflect.TypeOf(nil)
-	default:
-		return reflect.TypeOf("")
-	}
-}
-
-type stmt struct {
-	c    *conn
-	psql uintptr
-}
-
-func newStmt(c *conn, sql string) (*stmt, error) {
-	p, err := libc.CString(sql)
-	if err != nil {
-		return nil, err
-	}
-	stm := stmt{c: c, psql: p}
-
-	return &stm, nil
-}
-
-// Close closes the statement.
-//
-// As of Go 1.1, a Stmt will not be closed if it's in use by any queries.
-func (s *stmt) Close() (err error) {
-	s.c.free(s.psql)
-	s.psql = 0
-	return nil
-}
-
-// Exec executes a query that doesn't return rows, such as an INSERT or UPDATE.
-//
-// Deprecated: Drivers should implement StmtExecContext instead (or
-// additionally).
-func (s *stmt) Exec(args []driver.Value) (driver.Result, error) { //TODO StmtExecContext
-	return s.exec(context.Background(), toNamedValues(args))
-}
-
-// toNamedValues converts []driver.Value to []driver.NamedValue
-func toNamedValues(vals []driver.Value) (r []driver.NamedValue) {
-	r = make([]driver.NamedValue, len(vals))
-	for i, val := range vals {
-		r[i] = driver.NamedValue{Value: val, Ordinal: i + 1}
-	}
-	return r
-}
-
-func (s *stmt) exec(ctx context.Context, args []driver.NamedValue) (r driver.Result, err error) {
-	var pstmt uintptr
-
-	defer func() {
-		if pstmt != 0 {
-			// ensure stmt finalized.
-			e := s.c.finalize(pstmt)
-
-			if err == nil && e != nil {
-				// prioritize original
-				// returned error.
-				err = e
-			}
-		}
-	}()
-
-	for psql := s.psql; *(*byte)(unsafe.Pointer(psql)) != 0; {
-		if err := ctx.Err(); err != nil {
-			return nil, err
-		}
-
-		if pstmt, err = s.c.prepareV2(&psql); err != nil {
-			return nil, err
-		}
-
-		if pstmt == 0 {
-			continue
-		}
-
-		err = func() (err error) {
-			n, err := s.c.bindParameterCount(pstmt)
-			if err != nil {
-				return err
-			}
-
-			if n != 0 {
-				allocs, err := s.c.bind(pstmt, n, args)
-				if err != nil {
-					return err
-				}
-
-				if len(allocs) != 0 {
-					defer func() {
-						for _, v := range allocs {
-							s.c.free(v)
-						}
-					}()
-				}
-			}
-
-			rc, err := s.c.step(pstmt)
-			if err != nil {
-				return err
-			}
-
-			switch rc & 0xff {
-			case sqlite3.SQLITE_DONE, sqlite3.SQLITE_ROW:
-				r, err = newResult(s.c)
-			default:
-				return s.c.errstr(int32(rc))
-			}
-
-			return nil
-		}()
-
-		e := s.c.finalize(pstmt)
-		pstmt = 0 // done with
-
-		if err == nil && e != nil {
-			// prioritize original
-			// returned error.
-			err = e
-		}
-
-		if err != nil {
-			return nil, err
-		}
-	}
-	return r, err
-}
-
-// NumInput returns the number of placeholder parameters.
-//
-// If NumInput returns >= 0, the sql package will sanity check argument counts
-// from callers and return errors to the caller before the statement's Exec or
-// Query methods are called.
-//
-// NumInput may also return -1, if the driver doesn't know its number of
-// placeholders. In that case, the sql package will not sanity check Exec or
-// Query argument counts.
-func (s *stmt) NumInput() (n int) {
-	return -1
-}
-
-// Query executes a query that may return rows, such as a
-// SELECT.
-//
-// Deprecated: Drivers should implement StmtQueryContext instead (or
-// additionally).
-func (s *stmt) Query(args []driver.Value) (driver.Rows, error) { //TODO StmtQueryContext
-	return s.query(context.Background(), toNamedValues(args))
-}
-
-func (s *stmt) query(ctx context.Context, args []driver.NamedValue) (r driver.Rows, err error) {
-	var pstmt uintptr
-
-	var allocs []uintptr
-
-	defer func() {
-		if pstmt != 0 {
-			// ensure stmt finalized.
-			e := s.c.finalize(pstmt)
-
-			if err == nil && e != nil {
-				// prioritize original
-				// returned error.
-				err = e
-			}
-		}
-
-		if r == nil && err == nil {
-			r, err = newRows(s.c, pstmt, allocs, true)
-		}
-	}()
-
-	for psql := s.psql; *(*byte)(unsafe.Pointer(psql)) != 0; {
-		if err := ctx.Err(); err != nil {
-			return nil, err
-		}
-
-		if pstmt, err = s.c.prepareV2(&psql); err != nil {
-			return nil, err
-		}
-
-		if pstmt == 0 {
-			continue
-		}
-
-		err = func() (err error) {
-			n, err := s.c.bindParameterCount(pstmt)
-			if err != nil {
-				return err
-			}
-
-			if n != 0 {
-				if allocs, err = s.c.bind(pstmt, n, args); err != nil {
-					return err
-				}
-			}
-
-			rc, err := s.c.step(pstmt)
-			if err != nil {
-				return err
-			}
-
-			switch rc & 0xff {
-			case sqlite3.SQLITE_ROW:
-				if r != nil {
-					r.Close()
-				}
-				if r, err = newRows(s.c, pstmt, allocs, false); err != nil {
-					return err
-				}
-
-				pstmt = 0
-				return nil
-			case sqlite3.SQLITE_DONE:
-				if r == nil {
-					if r, err = newRows(s.c, pstmt, allocs, true); err != nil {
-						return err
-					}
-					pstmt = 0
-					return nil
-				}
-
-				// nop
-			default:
-				return s.c.errstr(int32(rc))
-			}
-
-			if *(*byte)(unsafe.Pointer(psql)) == 0 {
-				if r != nil {
-					r.Close()
-				}
-				if r, err = newRows(s.c, pstmt, allocs, true); err != nil {
-					return err
-				}
-
-				pstmt = 0
-			}
-			return nil
-		}()
-
-		e := s.c.finalize(pstmt)
-		pstmt = 0 // done with
-
-		if err == nil && e != nil {
-			// prioritize original
-			// returned error.
-			err = e
-		}
-
-		if err != nil {
-			return nil, err
-		}
-	}
-	return r, err
-}
-
-type tx struct {
-	c *conn
-}
-
-func newTx(ctx context.Context, c *conn, opts driver.TxOptions) (*tx, error) {
-	r := &tx{c: c}
-
-	sql := "begin"
-	if !opts.ReadOnly && c.beginMode != "" {
-		sql = "begin " + c.beginMode
-	}
-
-	if err := r.exec(ctx, sql); err != nil {
-		return nil, err
-	}
-
-	return r, nil
-}
-
-// Commit implements driver.Tx.
-func (t *tx) Commit() (err error) {
-	return t.exec(context.Background(), "commit")
-}
-
-// Rollback implements driver.Tx.
-func (t *tx) Rollback() (err error) {
-	return t.exec(context.Background(), "rollback")
-}
-
-func (t *tx) exec(ctx context.Context, sql string) (err error) {
-	psql, err := libc.CString(sql)
-	if err != nil {
-		return err
-	}
-
-	defer t.c.free(psql)
-	//TODO use t.conn.ExecContext() instead
-
-	if rc := sqlite3.Xsqlite3_exec(t.c.tls, t.c.db, psql, 0, 0, 0); rc != sqlite3.SQLITE_OK {
-		return t.c.errstr(rc)
-	}
-
-	return nil
-}
-
-type conn struct {
-	db  uintptr // *sqlite3.Xsqlite3
-	tls *libc.TLS
-
-	writeTimeFormat string
-	beginMode       string
-}
-
-func newConn(dsn string) (*conn, error) {
-	var query, vfsName string
-
-	// Parse the query parameters from the dsn and them from the dsn if not prefixed by file:
-	// https://github.com/mattn/go-sqlite3/blob/3392062c729d77820afc1f5cae3427f0de39e954/sqlite3.go#L1046
-	// https://github.com/mattn/go-sqlite3/blob/3392062c729d77820afc1f5cae3427f0de39e954/sqlite3.go#L1383
-	pos := strings.IndexRune(dsn, '?')
-	if pos >= 1 {
-		query = dsn[pos+1:]
-		var err error
-		vfsName, err = getVFSName(query)
-		if err != nil {
-			return nil, err
-		}
-
-		if !strings.HasPrefix(dsn, "file:") {
-			dsn = dsn[:pos]
-		}
-	}
-
-	c := &conn{tls: libc.NewTLS()}
-	db, err := c.openV2(
-		dsn,
-		vfsName,
-		sqlite3.SQLITE_OPEN_READWRITE|sqlite3.SQLITE_OPEN_CREATE|
-			sqlite3.SQLITE_OPEN_FULLMUTEX|
-			sqlite3.SQLITE_OPEN_URI,
-	)
-	if err != nil {
-		return nil, err
-	}
-
-	c.db = db
-	if err = c.extendedResultCodes(true); err != nil {
-		c.Close()
-		return nil, err
-	}
-
-	if err = applyQueryParams(c, query); err != nil {
-		c.Close()
-		return nil, err
-	}
-
-	return c, nil
-}
-
-func getVFSName(query string) (r string, err error) {
-	q, err := url.ParseQuery(query)
-	if err != nil {
-		return "", err
-	}
-
-	for _, v := range q["vfs"] {
-		if r != "" && r != v {
-			return "", fmt.Errorf("conflicting vfs query parameters: %v", q["vfs"])
-		}
-
-		r = v
-	}
-
-	return r, nil
-}
-
-func applyQueryParams(c *conn, query string) error {
-	q, err := url.ParseQuery(query)
-	if err != nil {
-		return err
-	}
-
-	var a []string
-	for _, v := range q["_pragma"] {
-		a = append(a, v)
-	}
-	// Push 'busy_timeout' first, the rest in lexicographic order, case insenstive.
-	// See https://gitlab.com/cznic/sqlite/-/issues/198#note_2233423463 for
-	// discussion.
-	sort.Slice(a, func(i, j int) bool {
-		x, y := strings.TrimSpace(strings.ToLower(a[i])), strings.TrimSpace(strings.ToLower(a[j]))
-		if strings.HasPrefix(x, "busy_timeout") {
-			return true
-		}
-		if strings.HasPrefix(y, "busy_timeout") {
-			return false
-		}
-
-		return x < y
-	})
-	for _, v := range a {
-		cmd := "pragma " + v
-		_, err := c.exec(context.Background(), cmd, nil)
-		if err != nil {
-			return err
-		}
-	}
-
-	if v := q.Get("_time_format"); v != "" {
-		f, ok := writeTimeFormats[v]
-		if !ok {
-			return fmt.Errorf("unknown _time_format %q", v)
-		}
-		c.writeTimeFormat = f
-	}
-
-	if v := q.Get("_txlock"); v != "" {
-		lower := strings.ToLower(v)
-		if lower != "deferred" && lower != "immediate" && lower != "exclusive" {
-			return fmt.Errorf("unknown _txlock %q", v)
-		}
-		c.beginMode = v
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	const void *sqlite3_column_blob(sqlite3_stmt*, int iCol);
-func (c *conn) columnBlob(pstmt uintptr, iCol int) (v []byte, err error) {
-	p := sqlite3.Xsqlite3_column_blob(c.tls, pstmt, int32(iCol))
-	len, err := c.columnBytes(pstmt, iCol)
-	if err != nil {
-		return nil, err
-	}
-
-	if p == 0 || len == 0 {
-		return nil, nil
-	}
-
-	v = make([]byte, len)
-	copy(v, (*libc.RawMem)(unsafe.Pointer(p))[:len:len])
-	return v, nil
-}
-
-// C documentation
-//
-//	int sqlite3_column_bytes(sqlite3_stmt*, int iCol);
-func (c *conn) columnBytes(pstmt uintptr, iCol int) (_ int, err error) {
-	v := sqlite3.Xsqlite3_column_bytes(c.tls, pstmt, int32(iCol))
-	return int(v), nil
-}
-
-// C documentation
-//
-//	const unsigned char *sqlite3_column_text(sqlite3_stmt*, int iCol);
-func (c *conn) columnText(pstmt uintptr, iCol int) (v string, err error) {
-	p := sqlite3.Xsqlite3_column_text(c.tls, pstmt, int32(iCol))
-	len, err := c.columnBytes(pstmt, iCol)
-	if err != nil {
-		return "", err
-	}
-
-	if p == 0 || len == 0 {
-		return "", nil
-	}
-
-	b := make([]byte, len)
-	copy(b, (*libc.RawMem)(unsafe.Pointer(p))[:len:len])
-	return string(b), nil
-}
-
-// C documentation
-//
-//	double sqlite3_column_double(sqlite3_stmt*, int iCol);
-func (c *conn) columnDouble(pstmt uintptr, iCol int) (v float64, err error) {
-	v = sqlite3.Xsqlite3_column_double(c.tls, pstmt, int32(iCol))
-	return v, nil
-}
-
-// C documentation
-//
-//	sqlite3_int64 sqlite3_column_int64(sqlite3_stmt*, int iCol);
-func (c *conn) columnInt64(pstmt uintptr, iCol int) (v int64, err error) {
-	v = sqlite3.Xsqlite3_column_int64(c.tls, pstmt, int32(iCol))
-	return v, nil
-}
-
-// C documentation
-//
-//	int sqlite3_column_type(sqlite3_stmt*, int iCol);
-func (c *conn) columnType(pstmt uintptr, iCol int) (_ int, err error) {
-	v := sqlite3.Xsqlite3_column_type(c.tls, pstmt, int32(iCol))
-	return int(v), nil
-}
-
-// C documentation
-//
-//	const char *sqlite3_column_decltype(sqlite3_stmt*,int);
-func (c *conn) columnDeclType(pstmt uintptr, iCol int) string {
-	return libc.GoString(sqlite3.Xsqlite3_column_decltype(c.tls, pstmt, int32(iCol)))
-}
-
-// C documentation
-//
-//	const char *sqlite3_column_name(sqlite3_stmt*, int N);
-func (c *conn) columnName(pstmt uintptr, n int) (string, error) {
-	p := sqlite3.Xsqlite3_column_name(c.tls, pstmt, int32(n))
-	return libc.GoString(p), nil
-}
-
-// C documentation
-//
-//	int sqlite3_column_count(sqlite3_stmt *pStmt);
-func (c *conn) columnCount(pstmt uintptr) (_ int, err error) {
-	v := sqlite3.Xsqlite3_column_count(c.tls, pstmt)
-	return int(v), nil
-}
-
-// C documentation
-//
-//	sqlite3_int64 sqlite3_last_insert_rowid(sqlite3*);
-func (c *conn) lastInsertRowID() (v int64, _ error) {
-	return sqlite3.Xsqlite3_last_insert_rowid(c.tls, c.db), nil
-}
-
-// C documentation
-//
-//	int sqlite3_changes(sqlite3*);
-func (c *conn) changes() (int, error) {
-	v := sqlite3.Xsqlite3_changes(c.tls, c.db)
-	return int(v), nil
-}
-
-// C documentation
-//
-//	int sqlite3_step(sqlite3_stmt*);
-func (c *conn) step(pstmt uintptr) (int, error) {
-	for {
-		switch rc := sqlite3.Xsqlite3_step(c.tls, pstmt); rc {
-		case sqliteLockedSharedcache:
-			if err := c.retry(pstmt); err != nil {
-				return sqlite3.SQLITE_LOCKED, err
-			}
-		case
-			sqlite3.SQLITE_DONE,
-			sqlite3.SQLITE_ROW:
-
-			return int(rc), nil
-		default:
-			return int(rc), c.errstr(rc)
-		}
-	}
-}
-
-func (c *conn) retry(pstmt uintptr) error {
-	mu := mutexAlloc(c.tls)
-	(*mutex)(unsafe.Pointer(mu)).Lock()
-	rc := sqlite3.Xsqlite3_unlock_notify(
-		c.tls,
-		c.db,
-		*(*uintptr)(unsafe.Pointer(&struct {
-			f func(*libc.TLS, uintptr, int32)
-		}{unlockNotify})),
-		mu,
-	)
-	if rc == sqlite3.SQLITE_LOCKED { // Deadlock, see https://www.sqlite.org/c3ref/unlock_notify.html
-		(*mutex)(unsafe.Pointer(mu)).Unlock()
-		mutexFree(c.tls, mu)
-		return c.errstr(rc)
-	}
-
-	(*mutex)(unsafe.Pointer(mu)).Lock()
-	(*mutex)(unsafe.Pointer(mu)).Unlock()
-	mutexFree(c.tls, mu)
-	if pstmt != 0 {
-		sqlite3.Xsqlite3_reset(c.tls, pstmt)
-	}
-	return nil
-}
-
-func unlockNotify(t *libc.TLS, ppArg uintptr, nArg int32) {
-	for i := int32(0); i < nArg; i++ {
-		mu := *(*uintptr)(unsafe.Pointer(ppArg))
-		(*mutex)(unsafe.Pointer(mu)).Unlock()
-		ppArg += ptrSize
-	}
-}
-
-func (c *conn) bind(pstmt uintptr, n int, args []driver.NamedValue) (allocs []uintptr, err error) {
-	defer func() {
-		if err == nil {
-			return
-		}
-
-		for _, v := range allocs {
-			c.free(v)
-		}
-		allocs = nil
-	}()
-
-	for i := 1; i <= n; i++ {
-		name, err := c.bindParameterName(pstmt, i)
-		if err != nil {
-			return allocs, err
-		}
-
-		var found bool
-		var v driver.NamedValue
-		for _, v = range args {
-			if name != "" {
-				// For ?NNN and $NNN params, match if NNN == v.Ordinal.
-				//
-				// Supporting this for $NNN is a special case that makes eg
-				// `select $1, $2, $3 ...` work without needing to use
-				// sql.Named.
-				if (name[0] == '?' || name[0] == '$') && name[1:] == strconv.Itoa(v.Ordinal) {
-					found = true
-					break
-				}
-
-				// sqlite supports '$', '@' and ':' prefixes for string
-				// identifiers and '?' for numeric, so we cannot
-				// combine different prefixes with the same name
-				// because `database/sql` requires variable names
-				// to start with a letter
-				if name[1:] == v.Name[:] {
-					found = true
-					break
-				}
-			} else {
-				if v.Ordinal == i {
-					found = true
-					break
-				}
-			}
-		}
-
-		if !found {
-			if name != "" {
-				return allocs, fmt.Errorf("missing named argument %q", name[1:])
-			}
-
-			return allocs, fmt.Errorf("missing argument with index %d", i)
-		}
-
-		var p uintptr
-		switch x := v.Value.(type) {
-		case int64:
-			if err := c.bindInt64(pstmt, i, x); err != nil {
-				return allocs, err
-			}
-		case float64:
-			if err := c.bindDouble(pstmt, i, x); err != nil {
-				return allocs, err
-			}
-		case bool:
-			v := 0
-			if x {
-				v = 1
-			}
-			if err := c.bindInt(pstmt, i, v); err != nil {
-				return allocs, err
-			}
-		case []byte:
-			if p, err = c.bindBlob(pstmt, i, x); err != nil {
-				return allocs, err
-			}
-		case string:
-			if p, err = c.bindText(pstmt, i, x); err != nil {
-				return allocs, err
-			}
-		case time.Time:
-			if p, err = c.bindText(pstmt, i, c.formatTime(x)); err != nil {
-				return allocs, err
-			}
-		case nil:
-			if p, err = c.bindNull(pstmt, i); err != nil {
-				return allocs, err
-			}
-		default:
-			return allocs, fmt.Errorf("sqlite: invalid driver.Value type %T", x)
-		}
-		if p != 0 {
-			allocs = append(allocs, p)
-		}
-	}
-	return allocs, nil
-}
-
-// C documentation
-//
-//	int sqlite3_bind_null(sqlite3_stmt*, int);
-func (c *conn) bindNull(pstmt uintptr, idx1 int) (uintptr, error) {
-	if rc := sqlite3.Xsqlite3_bind_null(c.tls, pstmt, int32(idx1)); rc != sqlite3.SQLITE_OK {
-		return 0, c.errstr(rc)
-	}
-
-	return 0, nil
-}
-
-// C documentation
-//
-//	int sqlite3_bind_text(sqlite3_stmt*,int,const char*,int,void(*)(void*));
-func (c *conn) bindText(pstmt uintptr, idx1 int, value string) (uintptr, error) {
-	p, err := libc.CString(value)
-	if err != nil {
-		return 0, err
-	}
-
-	if rc := sqlite3.Xsqlite3_bind_text(c.tls, pstmt, int32(idx1), p, int32(len(value)), 0); rc != sqlite3.SQLITE_OK {
-		c.free(p)
-		return 0, c.errstr(rc)
-	}
-
-	return p, nil
-}
-
-// C documentation
-//
-//	int sqlite3_bind_int(sqlite3_stmt*, int, int);
-func (c *conn) bindInt(pstmt uintptr, idx1, value int) (err error) {
-	if rc := sqlite3.Xsqlite3_bind_int(c.tls, pstmt, int32(idx1), int32(value)); rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	int sqlite3_bind_double(sqlite3_stmt*, int, double);
-func (c *conn) bindDouble(pstmt uintptr, idx1 int, value float64) (err error) {
-	if rc := sqlite3.Xsqlite3_bind_double(c.tls, pstmt, int32(idx1), value); rc != 0 {
-		return c.errstr(rc)
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	int sqlite3_bind_int64(sqlite3_stmt*, int, sqlite3_int64);
-func (c *conn) bindInt64(pstmt uintptr, idx1 int, value int64) (err error) {
-	if rc := sqlite3.Xsqlite3_bind_int64(c.tls, pstmt, int32(idx1), value); rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	const char *sqlite3_bind_parameter_name(sqlite3_stmt*, int);
-func (c *conn) bindParameterName(pstmt uintptr, i int) (string, error) {
-	p := sqlite3.Xsqlite3_bind_parameter_name(c.tls, pstmt, int32(i))
-	return libc.GoString(p), nil
-}
-
-// C documentation
-//
-//	int sqlite3_bind_parameter_count(sqlite3_stmt*);
-func (c *conn) bindParameterCount(pstmt uintptr) (_ int, err error) {
-	r := sqlite3.Xsqlite3_bind_parameter_count(c.tls, pstmt)
-	return int(r), nil
-}
-
-// C documentation
-//
-//	int sqlite3_finalize(sqlite3_stmt *pStmt);
-func (c *conn) finalize(pstmt uintptr) error {
-	if rc := sqlite3.Xsqlite3_finalize(c.tls, pstmt); rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	int sqlite3_prepare_v2(
-//	sqlite3 *db,            /* Database handle */
-//	const char *zSql,       /* SQL statement, UTF-8 encoded */
-//	int nByte,              /* Maximum length of zSql in bytes. */
-//	sqlite3_stmt **ppStmt,  /* OUT: Statement handle */
-//	const char **pzTail     /* OUT: Pointer to unused portion of zSql */
-//	);
-func (c *conn) prepareV2(zSQL *uintptr) (pstmt uintptr, err error) {
-	var ppstmt, pptail uintptr
-
-	defer func() {
-		c.free(ppstmt)
-		c.free(pptail)
-	}()
-
-	if ppstmt, err = c.malloc(int(ptrSize)); err != nil {
-		return 0, err
-	}
-
-	if pptail, err = c.malloc(int(ptrSize)); err != nil {
-		return 0, err
-	}
-
-	for {
-		switch rc := sqlite3.Xsqlite3_prepare_v2(c.tls, c.db, *zSQL, -1, ppstmt, pptail); rc {
-		case sqlite3.SQLITE_OK:
-			*zSQL = *(*uintptr)(unsafe.Pointer(pptail))
-			return *(*uintptr)(unsafe.Pointer(ppstmt)), nil
-		case sqliteLockedSharedcache:
-			if err := c.retry(0); err != nil {
-				return 0, err
-			}
-		default:
-			return 0, c.errstr(rc)
-		}
-	}
-}
-
-// C documentation
-//
-//	void sqlite3_interrupt(sqlite3*);
-func (c *conn) interrupt(pdb uintptr) (err error) {
-	sqlite3.Xsqlite3_interrupt(c.tls, pdb)
-	return nil
-}
-
-// C documentation
-//
-//	int sqlite3_extended_result_codes(sqlite3*, int onoff);
-func (c *conn) extendedResultCodes(on bool) error {
-	if rc := sqlite3.Xsqlite3_extended_result_codes(c.tls, c.db, libc.Bool32(on)); rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	int sqlite3_open_v2(
-//	const char *filename,   /* Database filename (UTF-8) */
-//	sqlite3 **ppDb,         /* OUT: SQLite db handle */
-//	int flags,              /* Flags */
-//	const char *zVfs        /* Name of VFS module to use */
-//	);
-func (c *conn) openV2(name, vfsName string, flags int32) (uintptr, error) {
-	var p, s, vfs uintptr
-
-	defer func() {
-		if p != 0 {
-			c.free(p)
-		}
-		if s != 0 {
-			c.free(s)
-		}
-		if vfs != 0 {
-			c.free(vfs)
-		}
-	}()
-
-	p, err := c.malloc(int(ptrSize))
-	if err != nil {
-		return 0, err
-	}
-
-	if s, err = libc.CString(name); err != nil {
-		return 0, err
-	}
-
-	if vfsName != "" {
-		if vfs, err = libc.CString(vfsName); err != nil {
-			return 0, err
-		}
-	}
-
-	if rc := sqlite3.Xsqlite3_open_v2(c.tls, s, p, flags, vfs); rc != sqlite3.SQLITE_OK {
-		return 0, c.errstr(rc)
-	}
-
-	return *(*uintptr)(unsafe.Pointer(p)), nil
-}
-
-func (c *conn) malloc(n int) (uintptr, error) {
-	if p := libc.Xmalloc(c.tls, types.Size_t(n)); p != 0 || n == 0 {
-		return p, nil
-	}
-
-	return 0, fmt.Errorf("sqlite: cannot allocate %d bytes of memory", n)
-}
-
-func (c *conn) free(p uintptr) {
-	if p != 0 {
-		libc.Xfree(c.tls, p)
-	}
-}
-
-// C documentation
-//
-//	const char *sqlite3_errstr(int);
-func (c *conn) errstr(rc int32) error {
-	p := sqlite3.Xsqlite3_errstr(c.tls, rc)
-	str := libc.GoString(p)
-	p = sqlite3.Xsqlite3_errmsg(c.tls, c.db)
-	var s string
-	if rc == sqlite3.SQLITE_BUSY {
-		s = " (SQLITE_BUSY)"
-	}
-	switch msg := libc.GoString(p); {
-	case msg == str:
-		return &Error{msg: fmt.Sprintf("%s (%v)%s", str, rc, s), code: int(rc)}
-	default:
-		return &Error{msg: fmt.Sprintf("%s: %s (%v)%s", str, msg, rc, s), code: int(rc)}
-	}
-}
-
-// Begin starts a transaction.
-//
-// Deprecated: Drivers should implement ConnBeginTx instead (or additionally).
-func (c *conn) Begin() (dt driver.Tx, err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("conn %p: (driver.Tx %p, err %v)", c, dt, err)
-		}()
-	}
-	return c.begin(context.Background(), driver.TxOptions{})
-}
-
-func (c *conn) begin(ctx context.Context, opts driver.TxOptions) (t driver.Tx, err error) {
-	return newTx(ctx, c, opts)
-}
-
-// Close invalidates and potentially stops any current prepared statements and
-// transactions, marking this connection as no longer in use.
-//
-// Because the sql package maintains a free pool of connections and only calls
-// Close when there's a surplus of idle connections, it shouldn't be necessary
-// for drivers to do their own connection caching.
-func (c *conn) Close() (err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("conn %p: err %v", c, err)
-		}()
-	}
-
-	if c.db != 0 {
-		if err := c.closeV2(c.db); err != nil {
-			return err
-		}
-		c.db = 0
-	}
-
-	if c.tls != nil {
-		c.tls.Close()
-		c.tls = nil
-	}
-
-	return nil
-}
-
-// C documentation
-//
-//	int sqlite3_close_v2(sqlite3*);
-func (c *conn) closeV2(db uintptr) error {
-	if rc := sqlite3.Xsqlite3_close_v2(c.tls, db); rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-
-	return nil
-}
-
-// ResetSession is called prior to executing a query on the connection if the
-// connection has been used before. If the driver returns ErrBadConn the
-// connection is discarded.
-func (c *conn) ResetSession(ctx context.Context) error {
-	if !c.usable() {
-		return driver.ErrBadConn
-	}
-
-	return nil
-}
-
-// IsValid is called prior to placing the connection into the connection pool.
-// The connection will be discarded if false is returned.
-func (c *conn) IsValid() bool {
-	return c.usable()
-}
-
-func (c *conn) usable() bool {
-	return c.db != 0 && sqlite3.Xsqlite3_is_interrupted(c.tls, c.db) == 0
-}
-
-// FunctionImpl describes an [application-defined SQL function]. If Scalar is
-// set, it is treated as a scalar function; otherwise, it is treated as an
-// aggregate function using MakeAggregate.
-//
-// [application-defined SQL function]: https://sqlite.org/appfunc.html
-type FunctionImpl struct {
-	// NArgs is the required number of arguments that the function accepts.
-	// If NArgs is negative, then the function is variadic.
-	NArgs int32
-
-	// If Deterministic is true, the function must always give the same
-	// output when the input parameters are the same. This enables functions
-	// to be used in additional contexts like the WHERE clause of partial
-	// indexes and enables additional optimizations.
-	//
-	// See https://sqlite.org/c3ref/c_deterministic.html#sqlitedeterministic
-	// for more details.
-	Deterministic bool
-
-	// Scalar is called when a scalar function is invoked in SQL. The
-	// argument Values are not valid past the return of the function.
-	Scalar func(ctx *FunctionContext, args []driver.Value) (driver.Value, error)
-
-	// MakeAggregate is called at the beginning of each evaluation of an
-	// aggregate function.
-	MakeAggregate func(ctx FunctionContext) (AggregateFunction, error)
-}
-
-// An AggregateFunction is an invocation of an aggregate or window function. See
-// the documentation for [aggregate function callbacks] and [application-defined
-// window functions] for an overview.
-//
-// [aggregate function callbacks]: https://www.sqlite.org/appfunc.html#the_aggregate_function_callbacks
-// [application-defined window functions]: https://www.sqlite.org/windowfunctions.html#user_defined_aggregate_window_functions
-type AggregateFunction interface {
-	// Step is called for each row of an aggregate function's SQL
-	// invocation. The argument Values are not valid past the return of the
-	// function.
-	Step(ctx *FunctionContext, rowArgs []driver.Value) error
-
-	// WindowInverse is called to remove the oldest presently aggregated
-	// result of Step from the current window. The arguments are those
-	// passed to Step for the row being removed. The argument Values are not
-	// valid past the return of the function.
-	WindowInverse(ctx *FunctionContext, rowArgs []driver.Value) error
-
-	// WindowValue is called to get the current value of an aggregate
-	// function. This is used to return the final value of the function,
-	// whether it is used as a window function or not.
-	WindowValue(ctx *FunctionContext) (driver.Value, error)
-
-	// Final is called after all of the aggregate function's input rows have
-	// been stepped through. No other methods will be called on the
-	// AggregateFunction after calling Final. WindowValue returns the value
-	// from the function.
-	Final(ctx *FunctionContext)
-}
-
-type userDefinedFunction struct {
-	zFuncName uintptr
-	nArg      int32
-	eTextRep  int32
-	pApp      uintptr
-
-	scalar   bool
-	freeOnce sync.Once
-}
-
-func (c *conn) createFunctionInternal(fun *userDefinedFunction) error {
-	var rc int32
-
-	if fun.scalar {
-		rc = sqlite3.Xsqlite3_create_function(
-			c.tls,
-			c.db,
-			fun.zFuncName,
-			fun.nArg,
-			fun.eTextRep,
-			fun.pApp,
-			cFuncPointer(funcTrampoline),
-			0,
-			0,
-		)
-	} else {
-		rc = sqlite3.Xsqlite3_create_window_function(
-			c.tls,
-			c.db,
-			fun.zFuncName,
-			fun.nArg,
-			fun.eTextRep,
-			fun.pApp,
-			cFuncPointer(stepTrampoline),
-			cFuncPointer(finalTrampoline),
-			cFuncPointer(valueTrampoline),
-			cFuncPointer(inverseTrampoline),
-			0,
-		)
-	}
-
-	if rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-	return nil
-}
-
-type collation struct {
-	zName uintptr
-	pApp  uintptr
-	enc   int32
-}
-
-// RegisterCollationUtf8 makes a Go function available as a collation named zName.
-// impl receives two UTF-8 strings: left and right.
-// The result needs to be:
-//
-// - 0 if left == right
-// - 1 if left < right
-// - +1 if left > right
-//
-// impl must always return the same result given the same inputs.
-// Additionally, it must have the following properties for all strings A, B and C:
-// - if A==B, then B==A
-// - if A==B and B==C, then A==C
-// - if A<B, then B>A
-// - if A<B and B<C, then A<C.
-//
-// The new collation will be available to all new connections opened after
-// executing RegisterCollationUtf8.
-func RegisterCollationUtf8(
-	zName string,
-	impl func(left, right string) int,
-) error {
-	return registerCollation(zName, impl, sqlite3.SQLITE_UTF8)
-}
-
-// MustRegisterCollationUtf8 is like RegisterCollationUtf8 but panics on error.
-func MustRegisterCollationUtf8(
-	zName string,
-	impl func(left, right string) int,
-) {
-	if err := RegisterCollationUtf8(zName, impl); err != nil {
-		panic(err)
-	}
-}
-
-func registerCollation(
-	zName string,
-	impl func(left, right string) int,
-	enc int32,
-) error {
-	if _, ok := d.collations[zName]; ok {
-		return fmt.Errorf("a collation %q is already registered", zName)
-	}
-
-	// dont free, collations registered on the driver live as long as the program
-	name, err := libc.CString(zName)
-	if err != nil {
-		return err
-	}
-
-	xCollations.mu.Lock()
-	id := xCollations.ids.next()
-	xCollations.m[id] = impl
-	xCollations.mu.Unlock()
-
-	d.collations[zName] = &collation{
-		zName: name,
-		pApp:  id,
-		enc:   enc,
-	}
-
-	return nil
-}
-
-func (c *conn) createCollationInternal(coll *collation) error {
-	rc := sqlite3.Xsqlite3_create_collation_v2(
-		c.tls,
-		c.db,
-		coll.zName,
-		coll.enc,
-		coll.pApp,
-		cFuncPointer(collationTrampoline),
-		0,
-	)
-	if rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-	return nil
-}
-
-// Execer is an optional interface that may be implemented by a Conn.
-//
-// If a Conn does not implement Execer, the sql package's DB.Exec will first
-// prepare a query, execute the statement, and then close the statement.
-//
-// Exec may return ErrSkip.
-//
-// Deprecated: Drivers should implement ExecerContext instead.
-func (c *conn) Exec(query string, args []driver.Value) (dr driver.Result, err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("conn %p, query %q, args %v: (driver.Result %p, err %v)", c, query, args, dr, err)
-		}()
-	}
-	return c.exec(context.Background(), query, toNamedValues(args))
-}
-
-func (c *conn) exec(ctx context.Context, query string, args []driver.NamedValue) (r driver.Result, err error) {
-	s, err := c.prepare(ctx, query)
-	if err != nil {
-		return nil, err
-	}
-
-	defer func() {
-		if err2 := s.Close(); err2 != nil && err == nil {
-			err = err2
-		}
-	}()
-
-	return s.(*stmt).exec(ctx, args)
-}
-
-// Prepare returns a prepared statement, bound to this connection.
-func (c *conn) Prepare(query string) (ds driver.Stmt, err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("conn %p, query %q: (driver.Stmt %p, err %v)", c, query, ds, err)
-		}()
-	}
-	return c.prepare(context.Background(), query)
-}
-
-func (c *conn) prepare(ctx context.Context, query string) (s driver.Stmt, err error) {
-	//TODO use ctx
-	return newStmt(c, query)
-}
-
-// Queryer is an optional interface that may be implemented by a Conn.
-//
-// If a Conn does not implement Queryer, the sql package's DB.Query will first
-// prepare a query, execute the statement, and then close the statement.
-//
-// Query may return ErrSkip.
-//
-// Deprecated: Drivers should implement QueryerContext instead.
-func (c *conn) Query(query string, args []driver.Value) (dr driver.Rows, err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("conn %p, query %q, args %v: (driver.Rows %p, err %v)", c, query, args, dr, err)
-		}()
-	}
-	return c.query(context.Background(), query, toNamedValues(args))
-}
-
-func (c *conn) query(ctx context.Context, query string, args []driver.NamedValue) (r driver.Rows, err error) {
-	s, err := c.prepare(ctx, query)
-	if err != nil {
-		return nil, err
-	}
-
-	defer func() {
-		if err2 := s.Close(); err2 != nil && err == nil {
-			err = err2
-		}
-	}()
-
-	return s.(*stmt).query(ctx, args)
-}
-
-// Serialize returns a serialization of the main database. For an ordinary on-disk
-// database file, the serialization is just a copy of the disk file. For an in-memory
-// database or a "TEMP" database, the serialization is the same sequence of bytes
-// which would be written to disk if that database where backed up to disk.
-func (c *conn) Serialize() (v []byte, err error) {
-	pLen := c.tls.Alloc(8)
-	defer c.tls.Free(8)
-
-	zSchema := sqlite3.Xsqlite3_db_name(c.tls, c.db, 0)
-	if zSchema == 0 {
-		return nil, fmt.Errorf("failed to get main db name")
-	}
-
-	pBuf := sqlite3.Xsqlite3_serialize(c.tls, c.db, zSchema, pLen, 0)
-	bufLen := *(*sqlite3.Sqlite3_int64)(unsafe.Pointer(pLen))
-	if pBuf != 0 {
-		defer sqlite3.Xsqlite3_free(c.tls, pBuf)
-	}
-	if bufLen <= 0 {
-		return nil, fmt.Errorf("invalid length returned: %d", bufLen)
-	} else if pBuf == 0 || bufLen == 0 {
-		return nil, nil
-	}
-
-	v = make([]byte, bufLen)
-	copy(v, (*libc.RawMem)(unsafe.Pointer(pBuf))[:bufLen:bufLen])
-	return v, nil
-}
-
-// Deserialize restore a database from the content returned by Serialize.
-func (c *conn) Deserialize(buf []byte) (err error) {
-	bufLen := len(buf)
-	pBuf := c.tls.Alloc(bufLen) // free will be done if it fails or on close, must not be freed here
-
-	copy((*libc.RawMem)(unsafe.Pointer(pBuf))[:bufLen:bufLen], buf)
-
-	zSchema := sqlite3.Xsqlite3_db_name(c.tls, c.db, 0)
-	if zSchema == 0 {
-		return fmt.Errorf("failed to get main db name")
-	}
-
-	rc := sqlite3.Xsqlite3_deserialize(c.tls, c.db, zSchema, pBuf, int64(bufLen), int64(bufLen), sqlite3.SQLITE_DESERIALIZE_RESIZEABLE|sqlite3.SQLITE_DESERIALIZE_FREEONCLOSE)
-	if rc != sqlite3.SQLITE_OK {
-		return c.errstr(rc)
-	}
-	return nil
-}
-
-// Backup object is used to manage progress and cleanup an online backup. It
-// is returned by NewBackup or NewRestore.
-type Backup struct {
-	srcConn *conn   // source database connection
-	dstConn *conn   // destination database connection
-	pBackup uintptr // sqlite3_backup object pointer
-}
-
-// NewBackup returns a Backup object that will create an online backup of
-// current database to the databased pointed by the passed URI.
-func (c *conn) NewBackup(dstUri string) (*Backup, error) {
-	dstConn, err := newConn(dstUri)
-	if err != nil {
-		return nil, err
-	}
-	backup, err := c.backup(dstConn, false)
-	if err != nil {
-		dstConn.Close()
-	}
-	return backup, err
-}
-
-// NewRestore returns a Backup object that will restore a backup to current
-// database from the databased pointed by the passed URI.
-func (c *conn) NewRestore(srcUri string) (*Backup, error) {
-	srcConn, err := newConn(srcUri)
-	if err != nil {
-		return nil, err
-	}
-	backup, err := c.backup(srcConn, true)
-	if err != nil {
-		srcConn.Close()
-	}
-	return backup, err
-}
-
-func (c *conn) backup(remoteConn *conn, restore bool) (_ *Backup, finalErr error) {
-	srcSchema := sqlite3.Xsqlite3_db_name(c.tls, c.db, 0)
-	if srcSchema == 0 {
-		return nil, fmt.Errorf("failed to get main source db name")
-	}
-
-	dstSchema := sqlite3.Xsqlite3_db_name(remoteConn.tls, remoteConn.db, 0)
-	if dstSchema == 0 {
-		return nil, fmt.Errorf("failed to get main destination db name")
-	}
-
-	var pBackup uintptr
-	if restore {
-		pBackup = sqlite3.Xsqlite3_backup_init(c.tls, c.db, srcSchema, remoteConn.db, dstSchema)
-	} else {
-		pBackup = sqlite3.Xsqlite3_backup_init(c.tls, remoteConn.db, dstSchema, c.db, srcSchema)
-	}
-	if pBackup <= 0 {
-		rc := sqlite3.Xsqlite3_errcode(c.tls, remoteConn.db)
-		return nil, c.errstr(rc)
-	}
-
-	return &Backup{srcConn: c, dstConn: remoteConn, pBackup: pBackup}, nil
-}
-
-// Step will copy up to n pages between the source and destination databases
-// specified by the backup object. If n is negative, all remaining source
-// pages are copied.
-// If it successfully copies n pages and there are still more pages to be
-// copied, then the function returns true with no error. If it successfully
-// finishes copying all pages from source to destination, then it returns
-// false with no error. If an error occurs while running, then an error is
-// returned.
-func (b *Backup) Step(n int32) (bool, error) {
-	rc := sqlite3.Xsqlite3_backup_step(b.srcConn.tls, b.pBackup, n)
-	if rc == sqlite3.SQLITE_OK {
-		return true, nil
-	} else if rc == sqlite3.SQLITE_DONE {
-		return false, nil
-	} else {
-		return false, b.srcConn.errstr(rc)
-	}
-}
-
-// Finish releases all resources associated with the Backup object. The Backup
-// object is invalid and may not be used following a call to Finish.
-func (b *Backup) Finish() error {
-	rc := sqlite3.Xsqlite3_backup_finish(b.srcConn.tls, b.pBackup)
-	b.dstConn.Close()
-	if rc == sqlite3.SQLITE_OK {
-		return nil
-	} else {
-		return b.srcConn.errstr(rc)
-	}
-}
-
-type ExecQuerierContext interface {
-	driver.ExecerContext
-	driver.QueryerContext
-}
-
-// Commit releases all resources associated with the Backup object but does not
-// close the destination database connection.
-//
-// The destination database connection is returned to the caller or an error if raised.
-// It is the responsibility of the caller to handle the connection closure.
-func (b *Backup) Commit() (driver.Conn, error) {
-	rc := sqlite3.Xsqlite3_backup_finish(b.srcConn.tls, b.pBackup)
-
-	if rc == sqlite3.SQLITE_OK {
-		return b.dstConn, nil
-	} else {
-		return nil, b.srcConn.errstr(rc)
-	}
-}
-
-// ConnectionHookFn function type for a connection hook on the Driver. Connection
-// hooks are called after the connection has been set up.
-type ConnectionHookFn func(
-	conn ExecQuerierContext,
-	dsn string,
-) error
-
-// Driver implements database/sql/driver.Driver.
-type Driver struct {
-	// user defined functions that are added to every new connection on Open
-	udfs map[string]*userDefinedFunction
-	// collations that are added to every new connection on Open
-	collations map[string]*collation
-	// connection hooks are called after a connection is opened
-	connectionHooks []ConnectionHookFn
-}
-
-var d = &Driver{
-	udfs:            make(map[string]*userDefinedFunction, 0),
-	collations:      make(map[string]*collation, 0),
-	connectionHooks: make([]ConnectionHookFn, 0),
-}
-
-func newDriver() *Driver { return d }
-
-// Open returns a new connection to the database. The name is a string in a
-// driver-specific format.
-//
-// Open may return a cached connection (one previously closed), but doing so is
-// unnecessary; the sql package maintains a pool of idle connections for
-// efficient re-use.
-//
-// The returned connection is only used by one goroutine at a time.
-//
-// The name may be a filename, e.g., "/tmp/mydata.sqlite", or a URI, in which
-// case it may include a '?' followed by one or more query parameters.
-// For example, "file:///tmp/mydata.sqlite?_pragma=foreign_keys(1)&_time_format=sqlite".
-// The supported query parameters are:
-//
-// _pragma: Each value will be run as a "PRAGMA ..." statement (with the PRAGMA
-// keyword added for you). May be specified more than once, '&'-separated. For more
-// information on supported PRAGMAs see: https://www.sqlite.org/pragma.html
-//
-// _time_format: The name of a format to use when writing time values to the
-// database. Currently the only supported value is "sqlite", which corresponds
-// to format 7 from https://www.sqlite.org/lang_datefunc.html#time_values,
-// including the timezone specifier. If this parameter is not specified, then
-// the default String() format will be used.
-//
-// _txlock: The locking behavior to use when beginning a transaction. May be
-// "deferred" (the default), "immediate", or "exclusive" (case insensitive). See:
-// https://www.sqlite.org/lang_transaction.html#deferred_immediate_and_exclusive_transactions
-func (d *Driver) Open(name string) (conn driver.Conn, err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("name %q: (driver.Conn %p, err %v)", name, conn, err)
-		}()
-	}
-	c, err := newConn(name)
-	if err != nil {
-		return nil, err
-	}
-
-	for _, udf := range d.udfs {
-		if err = c.createFunctionInternal(udf); err != nil {
-			c.Close()
-			return nil, err
-		}
-	}
-	for _, coll := range d.collations {
-		if err = c.createCollationInternal(coll); err != nil {
-			c.Close()
-			return nil, err
-		}
-	}
-	for _, connHookFn := range d.connectionHooks {
-		if err = connHookFn(c, name); err != nil {
-			c.Close()
-			return nil, fmt.Errorf("connection hook: %w", err)
-		}
-	}
-	return c, nil
-}
-
-// FunctionContext represents the context user defined functions execute in.
-// Fields and/or methods of this type may get addedd in the future.
-type FunctionContext struct {
-	tls *libc.TLS
-	ctx uintptr
-}
-
-const sqliteValPtrSize = unsafe.Sizeof(&sqlite3.Sqlite3_value{})
-
-// RegisterFunction registers a function named zFuncName with nArg arguments.
-// Passing -1 for nArg indicates the function is variadic. The FunctionImpl
-// determines whether the function is deterministic or not, and whether it is a
-// scalar function (when Scalar is defined) or an aggregate function (when
-// Scalar is not defined and MakeAggregate is defined).
-//
-// The new function will be available to all new connections opened after
-// executing RegisterFunction.
-func RegisterFunction(
-	zFuncName string,
-	impl *FunctionImpl,
-) error {
-	return registerFunction(zFuncName, impl)
-}
-
-// MustRegisterFunction is like RegisterFunction but panics on error.
-func MustRegisterFunction(
-	zFuncName string,
-	impl *FunctionImpl,
-) {
-	if err := RegisterFunction(zFuncName, impl); err != nil {
-		panic(err)
-	}
-}
-
-// RegisterScalarFunction registers a scalar function named zFuncName with nArg
-// arguments. Passing -1 for nArg indicates the function is variadic.
-//
-// The new function will be available to all new connections opened after
-// executing RegisterScalarFunction.
-func RegisterScalarFunction(
-	zFuncName string,
-	nArg int32,
-	xFunc func(ctx *FunctionContext, args []driver.Value) (driver.Value, error),
-) (err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("zFuncName %q, nArg %v, xFunc %p: err %v", zFuncName, nArg, xFunc, err)
-		}()
-	}
-	return registerFunction(zFuncName, &FunctionImpl{NArgs: nArg, Scalar: xFunc, Deterministic: false})
-}
-
-// MustRegisterScalarFunction is like RegisterScalarFunction but panics on
-// error.
-func MustRegisterScalarFunction(
-	zFuncName string,
-	nArg int32,
-	xFunc func(ctx *FunctionContext, args []driver.Value) (driver.Value, error),
-) {
-	if dmesgs {
-		dmesg("zFuncName %q, nArg %v, xFunc %p", zFuncName, nArg, xFunc)
-	}
-	if err := RegisterScalarFunction(zFuncName, nArg, xFunc); err != nil {
-		panic(err)
-	}
-}
-
-// MustRegisterDeterministicScalarFunction is like
-// RegisterDeterministicScalarFunction but panics on error.
-func MustRegisterDeterministicScalarFunction(
-	zFuncName string,
-	nArg int32,
-	xFunc func(ctx *FunctionContext, args []driver.Value) (driver.Value, error),
-) {
-	if dmesgs {
-		dmesg("zFuncName %q, nArg %v, xFunc %p", zFuncName, nArg, xFunc)
-	}
-	if err := RegisterDeterministicScalarFunction(zFuncName, nArg, xFunc); err != nil {
-		panic(err)
-	}
-}
-
-// RegisterDeterministicScalarFunction registers a deterministic scalar
-// function named zFuncName with nArg arguments. Passing -1 for nArg indicates
-// the function is variadic. A deterministic function means that the function
-// always gives the same output when the input parameters are the same.
-//
-// The new function will be available to all new connections opened after
-// executing RegisterDeterministicScalarFunction.
-func RegisterDeterministicScalarFunction(
-	zFuncName string,
-	nArg int32,
-	xFunc func(ctx *FunctionContext, args []driver.Value) (driver.Value, error),
-) (err error) {
-	if dmesgs {
-		defer func() {
-			dmesg("zFuncName %q, nArg %v, xFunc %p: err %v", zFuncName, nArg, xFunc, err)
-		}()
-	}
-	return registerFunction(zFuncName, &FunctionImpl{NArgs: nArg, Scalar: xFunc, Deterministic: true})
-}
-
-func registerFunction(
-	zFuncName string,
-	impl *FunctionImpl,
-) error {
-
-	if _, ok := d.udfs[zFuncName]; ok {
-		return fmt.Errorf("a function named %q is already registered", zFuncName)
-	}
-
-	// dont free, functions registered on the driver live as long as the program
-	name, err := libc.CString(zFuncName)
-	if err != nil {
-		return err
-	}
-
-	var textrep int32 = sqlite3.SQLITE_UTF8
-
-	if impl.Deterministic {
-		textrep |= sqlite3.SQLITE_DETERMINISTIC
-	}
-
-	udf := &userDefinedFunction{
-		zFuncName: name,
-		nArg:      impl.NArgs,
-		eTextRep:  textrep,
-	}
-
-	if impl.Scalar != nil {
-		xFuncs.mu.Lock()
-		id := xFuncs.ids.next()
-		xFuncs.m[id] = impl.Scalar
-		xFuncs.mu.Unlock()
-
-		udf.scalar = true
-		udf.pApp = id
-	} else {
-		xAggregateFactories.mu.Lock()
-		id := xAggregateFactories.ids.next()
-		xAggregateFactories.m[id] = impl.MakeAggregate
-		xAggregateFactories.mu.Unlock()
-
-		udf.pApp = id
-	}
-
-	d.udfs[zFuncName] = udf
-
-	return nil
-}
-
-// RegisterConnectionHook registers a function to be called after each connection
-// is opened. This is called after all the connection has been set up.
-func (d *Driver) RegisterConnectionHook(fn ConnectionHookFn) {
-	d.connectionHooks = append(d.connectionHooks, fn)
-}
-
-// RegisterConnectionHook registers a function to be called after each connection
-// is opened. This is called after all the connection has been set up.
-func RegisterConnectionHook(fn ConnectionHookFn) {
-	d.RegisterConnectionHook(fn)
-}
-
-func origin(skip int) string {
-	pc, fn, fl, _ := runtime.Caller(skip)
-	f := runtime.FuncForPC(pc)
-	var fns string
-	if f != nil {
-		fns = f.Name()
-		if x := strings.LastIndex(fns, "."); x > 0 {
-			fns = fns[x+1:]
-		}
-	}
-	return fmt.Sprintf("%s:%d:%s", fn, fl, fns)
-}
-
-func errorResultFunction(tls *libc.TLS, ctx uintptr) func(error) {
-	return func(res error) {
-		errmsg, cerr := libc.CString(res.Error())
-		if cerr != nil {
-			panic(cerr)
-		}
-		defer libc.Xfree(tls, errmsg)
-		sqlite3.Xsqlite3_result_error(tls, ctx, errmsg, -1)
-		sqlite3.Xsqlite3_result_error_code(tls, ctx, sqlite3.SQLITE_ERROR)
-	}
-}
-
-func functionArgs(tls *libc.TLS, argc int32, argv uintptr) []driver.Value {
-	args := make([]driver.Value, argc)
-	for i := int32(0); i < argc; i++ {
-		valPtr := *(*uintptr)(unsafe.Pointer(argv + uintptr(i)*sqliteValPtrSize))
-
-		switch valType := sqlite3.Xsqlite3_value_type(tls, valPtr); valType {
-		case sqlite3.SQLITE_TEXT:
-			args[i] = libc.GoString(sqlite3.Xsqlite3_value_text(tls, valPtr))
-		case sqlite3.SQLITE_INTEGER:
-			args[i] = sqlite3.Xsqlite3_value_int64(tls, valPtr)
-		case sqlite3.SQLITE_FLOAT:
-			args[i] = sqlite3.Xsqlite3_value_double(tls, valPtr)
-		case sqlite3.SQLITE_NULL:
-			args[i] = nil
-		case sqlite3.SQLITE_BLOB:
-			size := sqlite3.Xsqlite3_value_bytes(tls, valPtr)
-			blobPtr := sqlite3.Xsqlite3_value_blob(tls, valPtr)
-			v := make([]byte, size)
-			copy(v, (*libc.RawMem)(unsafe.Pointer(blobPtr))[:size:size])
-			args[i] = v
-		default:
-			panic(fmt.Sprintf("unexpected argument type %q passed by sqlite", valType))
-		}
-	}
-
-	return args
-}
-
-func functionReturnValue(tls *libc.TLS, ctx uintptr, res driver.Value) error {
-	switch resTyped := res.(type) {
-	case nil:
-		sqlite3.Xsqlite3_result_null(tls, ctx)
-	case int64:
-		sqlite3.Xsqlite3_result_int64(tls, ctx, resTyped)
-	case float64:
-		sqlite3.Xsqlite3_result_double(tls, ctx, resTyped)
-	case bool:
-		sqlite3.Xsqlite3_result_int(tls, ctx, libc.Bool32(resTyped))
-	case time.Time:
-		sqlite3.Xsqlite3_result_int64(tls, ctx, resTyped.Unix())
-	case string:
-		size := int32(len(resTyped))
-		cstr, err := libc.CString(resTyped)
-		if err != nil {
-			panic(err)
-		}
-		defer libc.Xfree(tls, cstr)
-		sqlite3.Xsqlite3_result_text(tls, ctx, cstr, size, sqlite3.SQLITE_TRANSIENT)
-	case []byte:
-		size := int32(len(resTyped))
-		if size == 0 {
-			sqlite3.Xsqlite3_result_zeroblob(tls, ctx, 0)
-			return nil
-		}
-		p := libc.Xmalloc(tls, types.Size_t(size))
-		if p == 0 {
-			panic(fmt.Sprintf("unable to allocate space for blob: %d", size))
-		}
-		defer libc.Xfree(tls, p)
-		copy((*libc.RawMem)(unsafe.Pointer(p))[:size:size], resTyped)
-
-		sqlite3.Xsqlite3_result_blob(tls, ctx, p, size, sqlite3.SQLITE_TRANSIENT)
-	default:
-		return fmt.Errorf("function did not return a valid driver.Value: %T", resTyped)
-	}
-
-	return nil
-}
-
-// The below is all taken from zombiezen.com/go/sqlite. Aggregate functions need
-// to maintain state (for instance, the count of values seen so far). We give
-// each aggregate function an ID, generated by idGen, and put that in the pApp
-// argument to sqlite3_create_function. We track this on the Go side in
-// xAggregateFactories.
-//
-// When (if) the function is called is called by a query, we call the
-// MakeAggregate factory function to set it up, and track that in
-// xAggregateContext, retrieving it via sqlite3_aggregate_context.
-//
-// We also need to ensure that, for both aggregate and scalar functions, the
-// function pointer we pass to SQLite meets certain rules on the Go side, so
-// that the pointer remains valid.
-var (
-	xFuncs = struct {
-		mu  sync.RWMutex
-		m   map[uintptr]func(*FunctionContext, []driver.Value) (driver.Value, error)
-		ids idGen
-	}{
-		m: make(map[uintptr]func(*FunctionContext, []driver.Value) (driver.Value, error)),
-	}
-
-	xAggregateFactories = struct {
-		mu  sync.RWMutex
-		m   map[uintptr]func(FunctionContext) (AggregateFunction, error)
-		ids idGen
-	}{
-		m: make(map[uintptr]func(FunctionContext) (AggregateFunction, error)),
-	}
-
-	xAggregateContext = struct {
-		mu  sync.RWMutex
-		m   map[uintptr]AggregateFunction
-		ids idGen
-	}{
-		m: make(map[uintptr]AggregateFunction),
-	}
-
-	xCollations = struct {
-		mu  sync.RWMutex
-		m   map[uintptr]func(string, string) int
-		ids idGen
-	}{
-		m: make(map[uintptr]func(string, string) int),
-	}
-)
-
-type idGen struct {
-	bitset []uint64
-}
-
-func (gen *idGen) next() uintptr {
-	base := uintptr(1)
-	for i := 0; i < len(gen.bitset); i, base = i+1, base+64 {
-		b := gen.bitset[i]
-		if b != 1<<64-1 {
-			n := uintptr(bits.TrailingZeros64(^b))
-			gen.bitset[i] |= 1 << n
-			return base + n
-		}
-	}
-	gen.bitset = append(gen.bitset, 1)
-	return base
-}
-
-func (gen *idGen) reclaim(id uintptr) {
-	bit := id - 1
-	gen.bitset[bit/64] &^= 1 << (bit % 64)
-}
-
-func makeAggregate(tls *libc.TLS, ctx uintptr) (AggregateFunction, uintptr) {
-	goCtx := FunctionContext{tls: tls, ctx: ctx}
-	aggCtx := (*uintptr)(unsafe.Pointer(sqlite3.Xsqlite3_aggregate_context(tls, ctx, int32(ptrSize))))
-	setErrorResult := errorResultFunction(tls, ctx)
-	if aggCtx == nil {
-		setErrorResult(errors.New("insufficient memory for aggregate"))
-		return nil, 0
-	}
-	if *aggCtx != 0 {
-		// Already created.
-		xAggregateContext.mu.RLock()
-		f := xAggregateContext.m[*aggCtx]
-		xAggregateContext.mu.RUnlock()
-		return f, *aggCtx
-	}
-
-	factoryID := sqlite3.Xsqlite3_user_data(tls, ctx)
-	xAggregateFactories.mu.RLock()
-	factory := xAggregateFactories.m[factoryID]
-	xAggregateFactories.mu.RUnlock()
-
-	f, err := factory(goCtx)
-	if err != nil {
-		setErrorResult(err)
-		return nil, 0
-	}
-	if f == nil {
-		setErrorResult(errors.New("MakeAggregate function returned nil"))
-		return nil, 0
-	}
-
-	xAggregateContext.mu.Lock()
-	*aggCtx = xAggregateContext.ids.next()
-	xAggregateContext.m[*aggCtx] = f
-	xAggregateContext.mu.Unlock()
-	return f, *aggCtx
-}
-
-// cFuncPointer converts a function defined by a function declaration to a C pointer.
-// The result of using cFuncPointer on closures is undefined.
-func cFuncPointer[T any](f T) uintptr {
-	// This assumes the memory representation described in https://golang.org/s/go11func.
-	//
-	// cFuncPointer does its conversion by doing the following in order:
-	// 1) Create a Go struct containing a pointer to a pointer to
-	//    the function. It is assumed that the pointer to the function will be
-	//    stored in the read-only data section and thus will not move.
-	// 2) Convert the pointer to the Go struct to a pointer to uintptr through
-	//    unsafe.Pointer. This is permitted via Rule #1 of unsafe.Pointer.
-	// 3) Dereference the pointer to uintptr to obtain the function value as a
-	//    uintptr. This is safe as long as function values are passed as pointers.
-	return *(*uintptr)(unsafe.Pointer(&struct{ f T }{f}))
-}
-
-func funcTrampoline(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) {
-	id := sqlite3.Xsqlite3_user_data(tls, ctx)
-	xFuncs.mu.RLock()
-	xFunc := xFuncs.m[id]
-	xFuncs.mu.RUnlock()
-
-	setErrorResult := errorResultFunction(tls, ctx)
-	res, err := xFunc(&FunctionContext{}, functionArgs(tls, argc, argv))
-
-	if err != nil {
-		setErrorResult(err)
-		return
-	}
-
-	err = functionReturnValue(tls, ctx, res)
-	if err != nil {
-		setErrorResult(err)
-	}
-}
-
-func stepTrampoline(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) {
-	impl, _ := makeAggregate(tls, ctx)
-	if impl == nil {
-		return
-	}
-
-	setErrorResult := errorResultFunction(tls, ctx)
-	err := impl.Step(&FunctionContext{}, functionArgs(tls, argc, argv))
-	if err != nil {
-		setErrorResult(err)
-	}
-}
-
-func inverseTrampoline(tls *libc.TLS, ctx uintptr, argc int32, argv uintptr) {
-	impl, _ := makeAggregate(tls, ctx)
-	if impl == nil {
-		return
-	}
-
-	setErrorResult := errorResultFunction(tls, ctx)
-	err := impl.WindowInverse(&FunctionContext{}, functionArgs(tls, argc, argv))
-	if err != nil {
-		setErrorResult(err)
-	}
-}
-
-func valueTrampoline(tls *libc.TLS, ctx uintptr) {
-	impl, _ := makeAggregate(tls, ctx)
-	if impl == nil {
-		return
-	}
-
-	setErrorResult := errorResultFunction(tls, ctx)
-	res, err := impl.WindowValue(&FunctionContext{})
-	if err != nil {
-		setErrorResult(err)
-	} else {
-		err = functionReturnValue(tls, ctx, res)
-		if err != nil {
-			setErrorResult(err)
-		}
-	}
-}
-
-func finalTrampoline(tls *libc.TLS, ctx uintptr) {
-	impl, id := makeAggregate(tls, ctx)
-	if impl == nil {
-		return
-	}
-
-	setErrorResult := errorResultFunction(tls, ctx)
-	res, err := impl.WindowValue(&FunctionContext{})
-	if err != nil {
-		setErrorResult(err)
-	} else {
-		err = functionReturnValue(tls, ctx, res)
-		if err != nil {
-			setErrorResult(err)
-		}
-	}
-	impl.Final(&FunctionContext{})
-
-	xAggregateContext.mu.Lock()
-	defer xAggregateContext.mu.Unlock()
-	delete(xAggregateContext.m, id)
-	xAggregateContext.ids.reclaim(id)
-}
-
-func collationTrampoline(tls *libc.TLS, pApp uintptr, nLeft int32, zLeft uintptr, nRight int32, zRight uintptr) int32 {
-	xCollations.mu.RLock()
-	xCollation := xCollations.m[pApp]
-	xCollations.mu.RUnlock()
-
-	left := string(libc.GoBytes(zLeft, int(nLeft)))
-	right := string(libc.GoBytes(zRight, int(nRight)))
-
-	// res is of type int, which can be 64-bit wide
-	// Since we just need to know if the value is positive, negative, or zero, we can ensure it's -1, 0, +1
-	res := xCollation(left, right)
-	switch {
-	case res < 0:
-		return -1
-	case res == 0:
-		return 0
-	case res > 0:
-		return 1
-	default:
-		// Should never hit here, make the compiler happy
-		return 0
-	}
-}
-
-// C documentation
-//
-//	int sqlite3_limit(sqlite3*, int id, int newVal);
-func (c *conn) limit(id int, newVal int) int {
-	return int(sqlite3.Xsqlite3_limit(c.tls, c.db, int32(id), int32(newVal)))
-}
-
-// Limit calls sqlite3_limit, see the docs at
-// https://www.sqlite.org/c3ref/limit.html for details.
-//
-// To get a sql.Conn from a *sql.DB, use (*sql.DB).Conn().  Limits are bound to
-// the particular instance of 'c', so getting a new connection only to pass it
-// to Limit is possibly not useful above querying what are the various
-// configured default values.
-func Limit(c *sql.Conn, id int, newVal int) (r int, err error) {
-	err = c.Raw(func(driverConn any) error {
-		switch dc := driverConn.(type) {
-		case *conn:
-			r = dc.limit(id, newVal)
-			return nil
-		default:
-			return fmt.Errorf("unexpected driverConn type: %T", driverConn)
-		}
-	})
-	return r, err
-
-}