feat: add parameters to mysql

plugins/dbgate-plugin-mysql/src/backend/sql/index.js

@@ -10,6 +10,7 @@ const procedureModifications = require('./procedureModifications');
 const functionModifications = require('./functionModifications');
 const uniqueNames = require('./uniqueNames');
 const viewTexts = require('./viewTexts');
+const parameters = require('./parameters');
 
 module.exports = {
   columns,
@@ -19,6 +20,7 @@ module.exports = {
   tableModifications,
   views,
   programmables,
+  parameters,
   procedureModifications,
   functionModifications,
   indexes,

plugins/dbgate-plugin-mysql/src/backend/sql/parameters.js

@@ -0,0 +1,22 @@
+module.exports = `
+SELECT 
+    r.SPECIFIC_NAME AS pureName,
+    CASE 
+        WHEN COALESCE(NULLIF(PARAMETER_MODE, ''), 'RETURN') = 'RETURN' THEN 'Return'
+        ELSE PARAMETER_NAME
+    END AS parameterName,
+    p.CHARACTER_MAXIMUM_LENGTH AS charMaxLength,
+    p.NUMERIC_PRECISION AS numericPrecision,
+    p.NUMERIC_SCALE AS numericScale,
+    p.DTD_IDENTIFIER AS dataType,
+    COALESCE(NULLIF(PARAMETER_MODE, ''), 'RETURN') AS parameterMode,
+    r.ROUTINE_TYPE AS routineType -- Function or Procedure
+FROM 
+    information_schema.PARAMETERS p
+JOIN 
+    information_schema.ROUTINES r
+ON 
+    p.SPECIFIC_NAME = r.SPECIFIC_NAME
+WHERE 
+    r.ROUTINE_SCHEMA = '#DATABASE#' AND r.ROUTINE_NAME =OBJECT_ID_CONDITION
+`;