[CALCITE-3716] ResultSetMetaData.getTableName should return empty string, not null, when column does not map to a table

• Type: Bug
• Status: In Progress
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 1.21.0
• Component/s: jdbc-driver
• Labels: pull-request-available
• Assignee: Jin Xing
• Reporter: Julian Hyde
• Created: 07/Jan/20 18:55
• Updated: 13/May/22 01:41

Description

Per the JDBC spec, ResultSetMetaData.getTableName should return empty string, not null, when column does not map to a table. Similarly getCatalogName, getSchemaName, getColumnName.

Issue Links

• links to: GitHub Pull Request #1757
• links to: GitHub Pull Request #2515