✨ init project

service/system/sys_auto_code_oracle.go

@@ -0,0 +1,72 @@
+package system
+
+import (
+	"git.echol.cn/loser/lckt/global"
+	"git.echol.cn/loser/lckt/model/system/response"
+)
+
+var AutoCodeOracle = new(autoCodeOracle)
+
+type autoCodeOracle struct{}
+
+// GetDB 获取数据库的所有数据库名
+// Author [piexlmax](https://github.com/piexlmax)
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (s *autoCodeOracle) GetDB(businessDB string) (data []response.Db, err error) {
+	var entities []response.Db
+	sql := `SELECT lower(username) AS "database" FROM all_users`
+	err = global.GVA_DBList[businessDB].Raw(sql).Scan(&entities).Error
+	return entities, err
+}
+
+// GetTables 获取数据库的所有表名
+// Author [piexlmax](https://github.com/piexlmax)
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (s *autoCodeOracle) GetTables(businessDB string, dbName string) (data []response.Table, err error) {
+	var entities []response.Table
+	sql := `select lower(table_name) as "table_name" from all_tables where lower(owner) = ?`
+
+	err = global.GVA_DBList[businessDB].Raw(sql, dbName).Scan(&entities).Error
+	return entities, err
+}
+
+// GetColumn 获取指定数据库和指定数据表的所有字段名,类型值等
+// Author [piexlmax](https://github.com/piexlmax)
+// Author [SliverHorn](https://github.com/SliverHorn)
+func (s *autoCodeOracle) GetColumn(businessDB string, tableName string, dbName string) (data []response.Column, err error) {
+	var entities []response.Column
+	sql := `
+	SELECT
+    lower(a.COLUMN_NAME) as "column_name",
+    (CASE WHEN a.DATA_TYPE = 'NUMBER' AND a.DATA_SCALE=0 THEN 'int' else lower(a.DATA_TYPE) end)  as "data_type",
+    (CASE WHEN a.DATA_TYPE = 'NUMBER' THEN a.DATA_PRECISION else a.DATA_LENGTH end) as "data_type_long",
+    b.COMMENTS as "column_comment",
+    (CASE WHEN pk.COLUMN_NAME IS NOT NULL THEN 1 ELSE 0 END) as "primary_key",
+    a.COLUMN_ID
+FROM
+    all_tab_columns a
+JOIN
+    all_col_comments b ON a.OWNER = b.OWNER AND a.TABLE_NAME = b.TABLE_NAME AND a.COLUMN_NAME = b.COLUMN_NAME
+LEFT JOIN
+    (
+        SELECT
+            acc.OWNER,
+            acc.TABLE_NAME,
+            acc.COLUMN_NAME
+        FROM
+            all_cons_columns acc
+        JOIN
+            all_constraints ac ON acc.OWNER = ac.OWNER AND acc.CONSTRAINT_NAME = ac.CONSTRAINT_NAME
+        WHERE
+            ac.CONSTRAINT_TYPE = 'P'
+    ) pk ON a.OWNER = pk.OWNER AND a.TABLE_NAME = pk.TABLE_NAME AND a.COLUMN_NAME = pk.COLUMN_NAME
+WHERE
+    lower(a.table_name) = ?
+    AND lower(a.OWNER) = ?
+ORDER BY
+    a.COLUMN_ID;
+`
+
+	err = global.GVA_DBList[businessDB].Raw(sql, tableName, dbName).Scan(&entities).Error
+	return entities, err
+}