docs: Table COLUMN_COLUMN_USAGE() {
  
          Table t = sysTables[COLUMN_COLUMN_USAGE];
  
          if (t == null) {
              t = createBlankTable(sysTableHsqlNames[COLUMN_COLUMN_USAGE]);
  
              addColumn(t, "TABLE_CATALOG", SQL_IDENTIFIER);
              addColumn(t, "TABLE_SCHEMA", SQL_IDENTIFIER);
              addColumn(t, "TABLE_NAME", SQL_IDENTIFIER);
              addColumn(t, "COLUMN_NAME", SQL_IDENTIFIER);
              addColumn(t, "DEPENDENT_COLUMN", SQL_IDENTIFIER);
  
              HsqlName name = HsqlNameManager.newInfoSchemaObjectName(
                  sysTableHsqlNames[COLUMN_COLUMN_USAGE].name, false,
                  SchemaObject.INDEX);
  
              t.createPrimaryKey(name, new int[] {
                  0, 1, 2, 3, 4
              }, false);
  
              return t;
          }
  
          final int table_catalog    = 0;
          final int table_schema     = 1;
          final int table_name       = 2;
          final int column_name      = 3;
          final int dependent_column = 4;
  
          return t;
      }