mirror of
https://gitee.com/dromara/mayfly-go
synced 2026-05-17 16:35:19 +08:00
73 lines
2.8 KiB
Go
73 lines
2.8 KiB
Go
package dbtool
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import (
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"context"
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"fmt"
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"mayfly-go/internal/ai/imsg"
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"mayfly-go/internal/ai/tools"
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"mayfly-go/internal/db/application"
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"mayfly-go/pkg/i18n"
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"github.com/cloudwego/eino/components/tool"
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"github.com/cloudwego/eino/components/tool/utils"
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)
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type QueryTableDDLParam struct {
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DbId int64 `json:"dbId" jsonschema_description:"数据库ID。取值逻辑：1. 用户本次明确指定；2. 从前序工具的输入输出中继承已选定的数据库ID；3. 若均无，传0以触发参数补全。禁止凭空猜测。"`
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DbName string `json:"dbName" jsonschema_description:"数据库名称。取值逻辑：1. 用户本次明确指定；2. 从前序工具的输入输出中继承已选定的数据库名称；3. 若均无，留空以触发参数补全。禁止凭空猜测。"`
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TableNames []string `json:"tableNames" jsonschema_description:"表名列表，支持一次查询多个表的DDL" jsonschema:"required" `
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}
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type QueryTableDDLOutput struct {
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DbId int64 `json:"dbId" jsonschema_description:"数据库ID"`
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DbName string `json:"dbName" jsonschema_description:"数据库名称"`
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DbType string `json:"dbType" jsonschema_description:"数据库类型，如mysql、postgresql等"`
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DDLS map[string]string `json:"ddls" jsonschema_description:"各表的DDL，key为表名，value为DDL语句"`
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}
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func GetQueryTableDDL() (tool.InvokableTool, error) {
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return utils.InferTool("DbQueryTableDDL",
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i18n.T(imsg.DbQueryTableDDLToolInfo),
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func(ctx context.Context, param *QueryTableDDLParam) (*QueryTableDDLOutput, error) {
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toolDesc := i18n.TC(ctx, imsg.DbQueryTableDDLToolDesc)
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// 检查必要参数，触发参数完善
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if param.DbId == 0 || param.DbName == "" {
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if err := tools.InterruptOrResumeParamCompletion(ctx, toolDesc, param, i18n.TC(ctx, imsg.DbInfoIncomplete), "db", []tools.CompletionParamInfo{
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{Param: "dbId", Name: "数据库ID"},
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{Param: "dbName", Name: "数据库名称"},
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}); err != nil {
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return nil, err
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}
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}
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if len(param.TableNames) == 0 {
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return nil, tools.NewToolError(fmt.Errorf("%s", i18n.TC(ctx, imsg.MissingRequiredParams)), tools.RecoverRetry)
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}
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conn, err := application.GetDbApp().GetDbConn(ctx, uint64(param.DbId), param.DbName)
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if err != nil {
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return nil, tools.NewToolError(err, tools.RecoverRetry)
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}
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ddls := make(map[string]string, len(param.TableNames))
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md := conn.GetMetadata()
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for _, tableName := range param.TableNames {
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ddl, err := md.GetTableDDL(tableName, false)
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if err != nil {
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return nil, tools.NewToolError(err, tools.RecoverRetry)
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}
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ddls[tableName] = ddl
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}
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output := &QueryTableDDLOutput{
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DbId: param.DbId,
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DbName: param.DbName,
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DbType: string(conn.Info.Type),
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DDLS: ddls,
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}
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return output, nil
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},
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)
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}
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