初版

build/lib/mysql/mysql-test/include/rpl_connection.inc

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+# ==== Purpose ====
+#
+# The same as 'connection $rpl_connection_name', but it can also
+# prints the connection name.  The connection is printed if $rpl_debug
+# is set, or if rpl_connection.inc is not called between two
+# invocations of begin_include_file.inc/end_include_file.inc.
+# Otherwise the connection name is not printed.
+#
+#
+# ==== Usage ====
+#
+# --let $rpl_connection_name= master
+# [--let $rpl_debug= 1]
+# --source include/rpl_connection.inc
+#
+# Parameters:
+#   $rpl_connection_name
+#     Name of the connection to connect to.
+#
+#   $rpl_debug
+#     By default, the connection name is printed only when this file
+#     is sourced from a top-level test script. If $rpl_debug is set,
+#     the connection name is also printed whenever auxiliary files
+#     like rpl_init.inc change connection.
+
+
+if (!$rpl_connection_name)
+{
+  --die ERROR IN TEST: you must set $rpl_connection_name before sourcing rpl_connection.inc
+}
+
+# This is the same as "if (!$_rpl_include_file_depth || $rpl_debug)",
+# but the mysqltest language doesn't have boolean operations.
+
+if (!$_include_file_depth)
+{
+  --echo [connection $rpl_connection_name]
+}
+if ($_include_file_depth)
+{
+  if ($rpl_debug)
+  {
+    --echo [connection $rpl_connection_name]
+  }
+}
+--connection $rpl_connection_name
+--let $rpl_connection_name=