refactor: integrated database services into task data insert

core/database/entity/database.go

@@ -0,0 +1,61 @@
+package entity
+
+type DatabaseMetadata struct {
+	Databases []Database `json:"databases"`
+}
+
+type Database struct {
+	Name   string          `json:"name"`
+	Tables []DatabaseTable `json:"tables"`
+}
+
+type DatabaseTable struct {
+	Name    string           `json:"name"`
+	Columns []DatabaseColumn `json:"columns"`
+	Indexes []DatabaseIndex  `json:"indexes"`
+}
+
+type DatabaseColumn struct {
+	Name          string           `json:"name"`
+	Type          string           `json:"type"`
+	Primary       bool             `json:"primary,omitempty"`
+	NotNull       bool             `json:"not_null,omitempty"`
+	Key           string           `json:"key,omitempty"`
+	Default       string           `json:"default,omitempty"`
+	Extra         string           `json:"extra,omitempty"`
+	AutoIncrement bool             `json:"auto_increment,omitempty"`
+	Children      []DatabaseColumn `json:"children,omitempty"`
+	Hash          string           `json:"hash,omitempty"`
+	OriginalName  string           `json:"original_name,omitempty"`
+	Status        string           `json:"status,omitempty"`
+}
+
+type DatabaseIndex struct {
+	Name         string                `json:"name"`
+	Type         string                `json:"type,omitempty"`
+	Columns      []DatabaseIndexColumn `json:"columns"`
+	Unique       bool                  `json:"unique"`
+	Hash         string                `json:"hash,omitempty"`
+	OriginalName string                `json:"original_name,omitempty"`
+	Status       string                `json:"status,omitempty"`
+}
+
+type DatabaseIndexColumn struct {
+	Name  string `json:"name"`
+	Order int    `json:"order"`
+}
+
+func (col *DatabaseIndexColumn) OrderString() string {
+	if col.Order < 0 {
+		return "DESC"
+	} else {
+		return "ASC"
+	}
+}
+
+type DatabaseQueryResults struct {
+	Columns []DatabaseColumn         `json:"columns,omitempty"`
+	Rows    []map[string]interface{} `json:"rows,omitempty"`
+	Output  string                   `json:"output,omitempty"`
+	Error   string                   `json:"error,omitempty"`
+}