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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:41:41 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-13 11:41:41 +0000
commit5d920465245906e2250c288c2b1ffea608a37539 (patch)
tree8d52f82e5d4a1717f136c7e5f6c389464c403e79 /dependencies/pkg/mod/github.com/go-sql-driver/mysql@v1.8.1/statement.go
parentReleasing progress-linux version 1.1.1-2~progress7.99u1. (diff)
downloadicingadb-5d920465245906e2250c288c2b1ffea608a37539.tar.xz
icingadb-5d920465245906e2250c288c2b1ffea608a37539.zip
Merging upstream version 1.2.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dependencies/pkg/mod/github.com/go-sql-driver/mysql@v1.8.1/statement.go')
-rw-r--r--dependencies/pkg/mod/github.com/go-sql-driver/mysql@v1.8.1/statement.go217
1 files changed, 217 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/github.com/go-sql-driver/mysql@v1.8.1/statement.go b/dependencies/pkg/mod/github.com/go-sql-driver/mysql@v1.8.1/statement.go
new file mode 100644
index 0000000..0436f22
--- /dev/null
+++ b/dependencies/pkg/mod/github.com/go-sql-driver/mysql@v1.8.1/statement.go
@@ -0,0 +1,217 @@
+// Go MySQL Driver - A MySQL-Driver for Go's database/sql package
+//
+// Copyright 2012 The Go-MySQL-Driver Authors. All rights reserved.
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// You can obtain one at http://mozilla.org/MPL/2.0/.
+
+package mysql
+
+import (
+ "database/sql/driver"
+ "encoding/json"
+ "fmt"
+ "io"
+ "reflect"
+)
+
+type mysqlStmt struct {
+ mc *mysqlConn
+ id uint32
+ paramCount int
+}
+
+func (stmt *mysqlStmt) Close() error {
+ if stmt.mc == nil || stmt.mc.closed.Load() {
+ // driver.Stmt.Close can be called more than once, thus this function
+ // has to be idempotent.
+ // See also Issue #450 and golang/go#16019.
+ //errLog.Print(ErrInvalidConn)
+ return driver.ErrBadConn
+ }
+
+ err := stmt.mc.writeCommandPacketUint32(comStmtClose, stmt.id)
+ stmt.mc = nil
+ return err
+}
+
+func (stmt *mysqlStmt) NumInput() int {
+ return stmt.paramCount
+}
+
+func (stmt *mysqlStmt) ColumnConverter(idx int) driver.ValueConverter {
+ return converter{}
+}
+
+func (stmt *mysqlStmt) CheckNamedValue(nv *driver.NamedValue) (err error) {
+ nv.Value, err = converter{}.ConvertValue(nv.Value)
+ return
+}
+
+func (stmt *mysqlStmt) Exec(args []driver.Value) (driver.Result, error) {
+ if stmt.mc.closed.Load() {
+ stmt.mc.log(ErrInvalidConn)
+ return nil, driver.ErrBadConn
+ }
+ // Send command
+ err := stmt.writeExecutePacket(args)
+ if err != nil {
+ return nil, stmt.mc.markBadConn(err)
+ }
+
+ mc := stmt.mc
+ handleOk := stmt.mc.clearResult()
+
+ // Read Result
+ resLen, err := handleOk.readResultSetHeaderPacket()
+ if err != nil {
+ return nil, err
+ }
+
+ if resLen > 0 {
+ // Columns
+ if err = mc.readUntilEOF(); err != nil {
+ return nil, err
+ }
+
+ // Rows
+ if err := mc.readUntilEOF(); err != nil {
+ return nil, err
+ }
+ }
+
+ if err := handleOk.discardResults(); err != nil {
+ return nil, err
+ }
+
+ copied := mc.result
+ return &copied, nil
+}
+
+func (stmt *mysqlStmt) Query(args []driver.Value) (driver.Rows, error) {
+ return stmt.query(args)
+}
+
+func (stmt *mysqlStmt) query(args []driver.Value) (*binaryRows, error) {
+ if stmt.mc.closed.Load() {
+ stmt.mc.log(ErrInvalidConn)
+ return nil, driver.ErrBadConn
+ }
+ // Send command
+ err := stmt.writeExecutePacket(args)
+ if err != nil {
+ return nil, stmt.mc.markBadConn(err)
+ }
+
+ mc := stmt.mc
+
+ // Read Result
+ handleOk := stmt.mc.clearResult()
+ resLen, err := handleOk.readResultSetHeaderPacket()
+ if err != nil {
+ return nil, err
+ }
+
+ rows := new(binaryRows)
+
+ if resLen > 0 {
+ rows.mc = mc
+ rows.rs.columns, err = mc.readColumns(resLen)
+ } else {
+ rows.rs.done = true
+
+ switch err := rows.NextResultSet(); err {
+ case nil, io.EOF:
+ return rows, nil
+ default:
+ return nil, err
+ }
+ }
+
+ return rows, err
+}
+
+var jsonType = reflect.TypeOf(json.RawMessage{})
+
+type converter struct{}
+
+// ConvertValue mirrors the reference/default converter in database/sql/driver
+// with _one_ exception. We support uint64 with their high bit and the default
+// implementation does not. This function should be kept in sync with
+// database/sql/driver defaultConverter.ConvertValue() except for that
+// deliberate difference.
+func (c converter) ConvertValue(v any) (driver.Value, error) {
+ if driver.IsValue(v) {
+ return v, nil
+ }
+
+ if vr, ok := v.(driver.Valuer); ok {
+ sv, err := callValuerValue(vr)
+ if err != nil {
+ return nil, err
+ }
+ if driver.IsValue(sv) {
+ return sv, nil
+ }
+ // A value returned from the Valuer interface can be "a type handled by
+ // a database driver's NamedValueChecker interface" so we should accept
+ // uint64 here as well.
+ if u, ok := sv.(uint64); ok {
+ return u, nil
+ }
+ return nil, fmt.Errorf("non-Value type %T returned from Value", sv)
+ }
+ rv := reflect.ValueOf(v)
+ switch rv.Kind() {
+ case reflect.Ptr:
+ // indirect pointers
+ if rv.IsNil() {
+ return nil, nil
+ } else {
+ return c.ConvertValue(rv.Elem().Interface())
+ }
+ case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
+ return rv.Int(), nil
+ case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
+ return rv.Uint(), nil
+ case reflect.Float32, reflect.Float64:
+ return rv.Float(), nil
+ case reflect.Bool:
+ return rv.Bool(), nil
+ case reflect.Slice:
+ switch t := rv.Type(); {
+ case t == jsonType:
+ return v, nil
+ case t.Elem().Kind() == reflect.Uint8:
+ return rv.Bytes(), nil
+ default:
+ return nil, fmt.Errorf("unsupported type %T, a slice of %s", v, t.Elem().Kind())
+ }
+ case reflect.String:
+ return rv.String(), nil
+ }
+ return nil, fmt.Errorf("unsupported type %T, a %s", v, rv.Kind())
+}
+
+var valuerReflectType = reflect.TypeOf((*driver.Valuer)(nil)).Elem()
+
+// callValuerValue returns vr.Value(), with one exception:
+// If vr.Value is an auto-generated method on a pointer type and the
+// pointer is nil, it would panic at runtime in the panicwrap
+// method. Treat it like nil instead.
+//
+// This is so people can implement driver.Value on value types and
+// still use nil pointers to those types to mean nil/NULL, just like
+// string/*string.
+//
+// This is an exact copy of the same-named unexported function from the
+// database/sql package.
+func callValuerValue(vr driver.Valuer) (v driver.Value, err error) {
+ if rv := reflect.ValueOf(vr); rv.Kind() == reflect.Ptr &&
+ rv.IsNil() &&
+ rv.Type().Elem().Implements(valuerReflectType) {
+ return nil, nil
+ }
+ return vr.Value()
+}