MySQL generator support.

generator/internal/metadata/schema_info.go

@@ -0,0 +1,72 @@
+package metadata
+
+import (
+	"database/sql"
+	"fmt"
+)
+
+// SchemaInfo metadata struct
+type SchemaInfo struct {
+	TableInfos []MetaData
+	EnumInfos  []MetaData
+}
+
+// GetSchemaInfo returns schema information from db connection.
+func GetSchemaInfo(db *sql.DB, schemaName string, querySet MetaDataQuerySet) (schemaInfo SchemaInfo, err error) {
+
+	schemaInfo.TableInfos, err = getTableInfos(db, querySet, schemaName)
+
+	if err != nil {
+		return
+	}
+
+	schemaInfo.EnumInfos, err = querySet.GetEnumsMetaData(db, schemaName)
+
+	if err != nil {
+		return
+	}
+
+	fmt.Println("	FOUND", len(schemaInfo.TableInfos), "table(s), ", len(schemaInfo.EnumInfos), "enum(s)")
+
+	return
+}
+
+func getTableInfos(db *sql.DB, querySet MetaDataQuerySet, schemaName string) ([]MetaData, error) {
+
+	fmt.Println(querySet.ListOfTablesQuery())
+
+	rows, err := db.Query(querySet.ListOfTablesQuery(), schemaName)
+
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	ret := []MetaData{}
+	for rows.Next() {
+		var tableName string
+
+		err = rows.Scan(&tableName)
+		if err != nil {
+			return nil, err
+		}
+
+		fmt.Println(tableName)
+
+		tableInfo, err := GetTableInfo(db, querySet, schemaName, tableName)
+
+		if err != nil {
+			return nil, err
+		}
+
+		ret = append(ret, tableInfo)
+	}
+
+	err = rows.Err()
+
+	if err != nil {
+		return nil, err
+	}
+
+	return ret, nil
+}