Files
gf/contrib/drivers/oracle/oracle_do_insert.go
2024-01-30 20:03:58 +08:00

96 lines
2.4 KiB
Go

// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
//
// This Source Code Form is subject to the terms of the MIT License.
// If a copy of the MIT was not distributed with this file,
// You can obtain one at https://github.com/gogf/gf.
package oracle
import (
"context"
"database/sql"
"fmt"
"strings"
"github.com/gogf/gf/v2/database/gdb"
"github.com/gogf/gf/v2/errors/gcode"
"github.com/gogf/gf/v2/errors/gerror"
"github.com/gogf/gf/v2/util/gconv"
)
// DoInsert inserts or updates data for given table.
func (d *Driver) DoInsert(
ctx context.Context, link gdb.Link, table string, list gdb.List, option gdb.DoInsertOption,
) (result sql.Result, err error) {
switch option.InsertOption {
case gdb.InsertOptionSave:
return nil, gerror.NewCode(
gcode.CodeNotSupported,
`Save operation is not supported by oracle driver`,
)
case gdb.InsertOptionReplace:
return nil, gerror.NewCode(
gcode.CodeNotSupported,
`Replace operation is not supported by oracle driver`,
)
}
var (
keys []string
values []string
params []interface{}
)
// Retrieve the table fields and length.
var (
listLength = len(list)
valueHolder = make([]string, 0)
)
for k := range list[0] {
keys = append(keys, k)
valueHolder = append(valueHolder, "?")
}
var (
batchResult = new(gdb.SqlResult)
charL, charR = d.GetChars()
keyStr = charL + strings.Join(keys, charL+","+charR) + charR
valueHolderStr = strings.Join(valueHolder, ",")
)
// Format "INSERT...INTO..." statement.
intoStrArray := make([]string, 0)
for i := 0; i < len(list); i++ {
for _, k := range keys {
if s, ok := list[i][k].(gdb.Raw); ok {
params = append(params, gconv.String(s))
} else {
params = append(params, list[i][k])
}
}
values = append(values, valueHolderStr)
intoStrArray = append(
intoStrArray,
fmt.Sprintf(
"INTO %s(%s) VALUES(%s)",
table, keyStr, valueHolderStr,
),
)
if len(intoStrArray) == option.BatchCount || (i == listLength-1 && len(valueHolder) > 0) {
r, err := d.DoExec(ctx, link, fmt.Sprintf(
"INSERT ALL %s SELECT * FROM DUAL",
strings.Join(intoStrArray, " "),
), params...)
if err != nil {
return r, err
}
if n, err := r.RowsAffected(); err != nil {
return r, err
} else {
batchResult.Result = r
batchResult.Affected += n
}
params = params[:0]
intoStrArray = intoStrArray[:0]
}
}
return batchResult, nil
}