fix(hana): improve metadata fallback and SQLScript parameters

apps/desktop/src/composables/useSqlExecution.ts

@@ -1,4 +1,4 @@
-import { ref, type Ref, type ComputedRef } from "vue";
+import { ref, watch, type Ref, type ComputedRef } from "vue";
 import { useI18n } from "vue-i18n";
 import { useQueryStore } from "@/stores/queryStore";
 import { useHistoryStore } from "@/stores/historyStore";
@@ -12,7 +12,7 @@ import { sqlMetadataRefreshTarget } from "@/lib/sql/sqlMetadataRefresh";
 import { classifyRedisCommandSafety, firstRedisCommandToken } from "@/lib/redis/redisCommandSafety";
 import { isSqlExecutionSnapshot, resolveExecutableSql, type SqlExecutionOverride, type SqlExecutionSnapshot } from "@/lib/sql/sqlExecutionTarget";
 import { extractSqlParameterDescriptors, type SqlParameterDescriptor } from "@/lib/sql/sqlParameters";
-import type { ConnectionConfig, QueryTab } from "@/types/database";
+import type { ConnectionConfig, DatabaseType, QueryTab } from "@/types/database";
 
 const DANGER_RE = /^\s*(DROP|DELETE|TRUNCATE|ALTER|UPDATE|MERGE|REPLACE)\b/i;
 
@@ -61,6 +61,7 @@ export function useSqlExecution(deps: {
   const showSqlParameterDialog = ref(false);
   const sqlParameterSourceSql = ref("");
   const sqlParameterNames = ref<SqlParameterDescriptor[]>([]);
+  const sqlParameterDatabaseType = ref<DatabaseType | undefined>();
 
   async function resolvedExecutableSql(source?: SqlExecutionOverride): Promise<string> {
     if (typeof source === "string") return source;
@@ -107,10 +108,12 @@ export function useSqlExecution(deps: {
   }
 
   function prepareSqlParameterDialog(sql: string): boolean {
-    const parameters = extractSqlParameterDescriptors(sql);
+    const databaseType = deps.activeConnection.value?.db_type;
+    const parameters = extractSqlParameterDescriptors(sql, { databaseType });
     if (!parameters.length) return false;
     sqlParameterSourceSql.value = sql;
     sqlParameterNames.value = parameters;
+    sqlParameterDatabaseType.value = databaseType;
     showSqlParameterDialog.value = true;
     return true;
   }
@@ -201,9 +204,17 @@ export function useSqlExecution(deps: {
     showSqlParameterDialog.value = false;
     sqlParameterSourceSql.value = "";
     sqlParameterNames.value = [];
+    sqlParameterDatabaseType.value = undefined;
     await continueExecute(sql);
   }
 
+  watch(showSqlParameterDialog, (open) => {
+    if (open) return;
+    sqlParameterSourceSql.value = "";
+    sqlParameterNames.value = [];
+    sqlParameterDatabaseType.value = undefined;
+  });
+
   return {
     dangerSql,
     pendingDangerSql,
@@ -217,6 +228,7 @@ export function useSqlExecution(deps: {
     showSqlParameterDialog,
     sqlParameterSourceSql,
     sqlParameterNames,
+    sqlParameterDatabaseType,
     onSqlParametersConfirm,
     explainMode,
   };