Merge branch '10.1' into 10.2

1 files changed, 19 insertions, 2 deletions

diff --git a/storage/innobase/handler/handler0alter.cc b/storage/innobase/handler/handler0alter.cc
index 005c0fd5adf..f470ac3ca4c 100644
--- a/storage/innobase/handler/handler0alter.cc
+++ b/storage/innobase/handler/handler0alter.cc
@@ -1,6 +1,6 @@
 /*****************************************************************************
 
-Copyright (c) 2005, 2018, Oracle and/or its affiliates. All Rights Reserved.
+Copyright (c) 2005, 2019, Oracle and/or its affiliates. All Rights Reserved.
 Copyright (c) 2013, 2019, MariaDB Corporation.
 
 This program is free software; you can redistribute it and/or modify it under
@@ -251,6 +251,23 @@ struct ha_innobase_inplace_ctx : public inplace_alter_handler_ctx
 		}
 	}
 
+	/** Share context between partitions.
+	@param[in] ctx	context from another partition of the table */
+	void set_shared_data(const inplace_alter_handler_ctx& ctx)
+	{
+		if (add_autoinc != ULINT_UNDEFINED) {
+			const ha_innobase_inplace_ctx& ha_ctx =
+				static_cast<const ha_innobase_inplace_ctx&>
+				(ctx);
+			/* When adding an AUTO_INCREMENT column to a
+			partitioned InnoDB table, we must share the
+			sequence for all partitions. */
+			ut_ad(ha_ctx.add_autoinc == add_autoinc);
+			ut_ad(ha_ctx.sequence.last());
+			sequence = ha_ctx.sequence;
+		}
+	}
+
 private:
 	// Disable copying
 	ha_innobase_inplace_ctx(const ha_innobase_inplace_ctx&);
@@ -4312,7 +4329,7 @@ prepare_inplace_alter_table_dict(
 		(ha_alter_info->handler_ctx);
 
 	DBUG_ASSERT((ctx->add_autoinc != ULINT_UNDEFINED)
-		    == (ctx->sequence.m_max_value > 0));
+		    == (ctx->sequence.max_value() > 0));
 	DBUG_ASSERT(!ctx->num_to_drop_index == !ctx->drop_index);
 	DBUG_ASSERT(!ctx->num_to_drop_fk == !ctx->drop_fk);
 	DBUG_ASSERT(!add_fts_doc_id || add_fts_doc_id_idx);