yuqi1129 commented on code in PR #12007:
URL: https://github.com/apache/gravitino/pull/12007#discussion_r3577182344


##########
catalogs/catalog-jdbc-postgresql/src/main/java/org/apache/gravitino/catalog/postgresql/operation/PostgreSqlTableOperations.java:
##########
@@ -689,7 +697,7 @@ private List<String> addColumnFieldDefinition(
               + col
               + PG_QUOTE
               + IS
-              + addColumn.getComment()
+              + escapeSqlLiteral(addColumn.getComment(), '\'')
               + "';");

Review Comment:
   Added a focused TableChange.addColumn SQL-generation regression test 
covering single/double quotes and backslashes in 41967b107d.



##########
catalogs/catalog-jdbc-starrocks/src/main/java/org/apache/gravitino/catalog/starrocks/operations/StarRocksTableOperations.java:
##########
@@ -481,7 +482,10 @@ private String 
addColumnFieldDefinition(TableChange.AddColumn addColumn) {
 
     // Append comment if available
     if (StringUtils.isNotEmpty(addColumn.getComment())) {
-      columnDefinition.append("COMMENT 
'").append(addColumn.getComment()).append("' ");
+      columnDefinition
+          .append("COMMENT '")
+          .append(escapeSqlLiteral(addColumn.getComment(), '\''))
+          .append("' ");

Review Comment:
   Added a focused TableChange.addColumn SQL-generation regression test 
covering single/double quotes and backslashes in 41967b107d.



##########
catalogs/catalog-jdbc-mysql/src/main/java/org/apache/gravitino/catalog/mysql/operation/MysqlTableOperations.java:
##########
@@ -460,7 +461,10 @@ private String 
addColumnFieldDefinition(TableChange.AddColumn addColumn) {
     }
     // Append comment if available
     if (StringUtils.isNotEmpty(addColumn.getComment())) {
-      columnDefinition.append("COMMENT 
'").append(addColumn.getComment()).append("' ");
+      columnDefinition
+          .append("COMMENT '")
+          .append(escapeSqlLiteral(addColumn.getComment(), '\''))
+          .append("' ");

Review Comment:
   Added a focused TableChange.addColumn SQL-generation regression test 
covering single/double quotes and backslashes in 41967b107d.



##########
catalogs/catalog-jdbc-doris/src/main/java/org/apache/gravitino/catalog/doris/operation/DorisTableOperations.java:
##########
@@ -873,7 +875,10 @@ private String 
addColumnFieldDefinition(TableChange.AddColumn addColumn) {
     }
     // Append comment if available
     if (StringUtils.isNotEmpty(addColumn.getComment())) {
-      columnDefinition.append("COMMENT 
'").append(addColumn.getComment()).append("' ");
+      columnDefinition
+          .append("COMMENT '")
+          .append(escapeSqlLiteral(addColumn.getComment(), '\''))
+          .append("' ");

Review Comment:
   Added a focused TableChange.addColumn SQL-generation regression test 
covering single/double quotes and backslashes in 41967b107d.



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