From 34b7412bff4c5ca2e217e61bfe4487cae5fad409 Mon Sep 17 00:00:00 2001
From: inrgihc <inrgihc@126.com>
Date: Fri, 22 Sep 2023 22:35:17 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3clickhouse=E8=BF=81=E7=A7=BB?=
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---
 .../clickhouse/ClickhouseMetadataQueryProvider.java | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dbswitch-product/dbswitch-product-clickhouse/src/main/java/com/gitee/dbswitch/product/clickhouse/ClickhouseMetadataQueryProvider.java b/dbswitch-product/dbswitch-product-clickhouse/src/main/java/com/gitee/dbswitch/product/clickhouse/ClickhouseMetadataQueryProvider.java
index 0cd3d75e..dfe8e6b4 100644
--- a/dbswitch-product/dbswitch-product-clickhouse/src/main/java/com/gitee/dbswitch/product/clickhouse/ClickhouseMetadataQueryProvider.java
+++ b/dbswitch-product/dbswitch-product-clickhouse/src/main/java/com/gitee/dbswitch/product/clickhouse/ClickhouseMetadataQueryProvider.java
@@ -116,6 +116,19 @@ public class ClickhouseMetadataQueryProvider extends AbstractMetadataProvider {
     }
   }
 
+  @Override
+  public List<ColumnDescription> queryTableColumnMeta(Connection connection, String schemaName,
+      String tableName) {
+    List<ColumnDescription> results = super.queryTableColumnMeta(connection, schemaName, tableName);
+    for (ColumnDescription column : results) {
+      if (StringUtils.equals(column.getFieldTypeName(), "Nullable(String)")
+          || StringUtils.equals(column.getFieldTypeName(), "String")) {
+        column.setDisplaySize(Constants.CLOB_LENGTH);
+      }
+    }
+    return results;
+  }
+
   @Override
   public List<String> queryTablePrimaryKeys(Connection connection, String schemaName, String tableName) {
     List<String> result = new ArrayList<>();