branch-4.1: [bug](jdbc) fix sqlserver couldn't get schema with higher version driver jar (#63626)#63994
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…ver jar (apache#63626) Problem Summary: https://github.com/microsoft/mssql-jdbc/blob/v13.4.0/src/main/java/com/microsoft/sqlserver/jdbc/SQLServerDatabaseMetaData.java#L1887-L1934 ``` SQLServer JDBC catalog lists schemas through DatabaseMetaData.getSchemas(conn.getCatalog(), null). With mssql-jdbc 13.4.x, when catalog is non-empty and schemaPattern is null, the driver filters built-in schemas such as dbo, guest, sys, INFORMATION_SCHEMA, and db_*. As a result, SHOW DATABASES on a SQLServer JDBC catalog may miss schemas that were visible with older mssql-jdbc versions. Now SQLServer-specific override for schema discovery and passes schemaPattern % to getSchemas. % is the JDBC wildcard pattern for matching all schemas, so mssql-jdbc 13.4.x returns the expected schemas without the driver-side built-in schema filtering. Older mssql-jdbc versions are also compatible with this behavior. ```
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yiguolei
approved these changes
Jun 2, 2026
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cherry-pick from master (#63626)