mirror of
https://gitee.com/johng/gf.git
synced 2024-11-30 11:18:02 +08:00
116 lines
3.1 KiB
Go
116 lines
3.1 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 pgsql
|
|
|
|
import (
|
|
"context"
|
|
"database/sql"
|
|
"strings"
|
|
|
|
"github.com/gogf/gf/v2/database/gdb"
|
|
"github.com/gogf/gf/v2/errors/gcode"
|
|
"github.com/gogf/gf/v2/errors/gerror"
|
|
)
|
|
|
|
// DoExec commits the sql string and its arguments to underlying driver
|
|
// through given link object and returns the execution result.
|
|
func (d *Driver) DoExec(ctx context.Context, link gdb.Link, sql string, args ...interface{}) (result sql.Result, err error) {
|
|
var (
|
|
isUseCoreDoExec bool = false // Check whether the default method needs to be used
|
|
primaryKey string = ""
|
|
pkField gdb.TableField
|
|
)
|
|
|
|
// Transaction checks.
|
|
if link == nil {
|
|
if tx := gdb.TXFromCtx(ctx, d.GetGroup()); tx != nil {
|
|
// Firstly, check and retrieve transaction link from context.
|
|
link = tx
|
|
} else if link, err = d.MasterLink(); err != nil {
|
|
// Or else it creates one from master node.
|
|
return nil, err
|
|
}
|
|
} else if !link.IsTransaction() {
|
|
// If current link is not transaction link, it checks and retrieves transaction from context.
|
|
if tx := gdb.TXFromCtx(ctx, d.GetGroup()); tx != nil {
|
|
link = tx
|
|
}
|
|
}
|
|
|
|
// Check if it is an insert operation with primary key.
|
|
if value := ctx.Value(internalPrimaryKeyInCtx); value != nil {
|
|
var ok bool
|
|
pkField, ok = value.(gdb.TableField)
|
|
if !ok {
|
|
isUseCoreDoExec = true
|
|
}
|
|
} else {
|
|
isUseCoreDoExec = true
|
|
}
|
|
|
|
// check if it is an insert operation.
|
|
if !isUseCoreDoExec && pkField.Name != "" && strings.Contains(sql, "INSERT INTO") {
|
|
primaryKey = pkField.Name
|
|
sql += " RETURNING " + primaryKey
|
|
} else {
|
|
// use default DoExec
|
|
return d.Core.DoExec(ctx, link, sql, args...)
|
|
}
|
|
|
|
// Only the insert operation with primary key can execute the following code
|
|
|
|
if d.GetConfig().ExecTimeout > 0 {
|
|
var cancelFunc context.CancelFunc
|
|
ctx, cancelFunc = context.WithTimeout(ctx, d.GetConfig().ExecTimeout)
|
|
defer cancelFunc()
|
|
}
|
|
|
|
// Sql filtering.
|
|
sql, args = d.FormatSqlBeforeExecuting(sql, args)
|
|
sql, args, err = d.DoFilter(ctx, link, sql, args)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Link execution.
|
|
var out gdb.DoCommitOutput
|
|
out, err = d.DoCommit(ctx, gdb.DoCommitInput{
|
|
Link: link,
|
|
Sql: sql,
|
|
Args: args,
|
|
Stmt: nil,
|
|
Type: gdb.SqlTypeQueryContext,
|
|
IsTransaction: link.IsTransaction(),
|
|
})
|
|
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
affected := len(out.Records)
|
|
if affected > 0 {
|
|
if !strings.Contains(pkField.Type, "int") {
|
|
return Result{
|
|
affected: int64(affected),
|
|
lastInsertId: 0,
|
|
lastInsertIdError: gerror.NewCodef(
|
|
gcode.CodeNotSupported,
|
|
"LastInsertId is not supported by primary key type: %s", pkField.Type),
|
|
}, nil
|
|
}
|
|
|
|
if out.Records[affected-1][primaryKey] != nil {
|
|
lastInsertId := out.Records[affected-1][primaryKey].Int64()
|
|
return Result{
|
|
affected: int64(affected),
|
|
lastInsertId: lastInsertId,
|
|
}, nil
|
|
}
|
|
}
|
|
|
|
return Result{}, nil
|
|
}
|