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clarify Alter_inplace_info::ALTER_PARTITIONED

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clarify Alter_inplace_info::ALTER_PARTITIONED
97728e10 · Sergei Golubchik · d821dd10 · 97728e10
Commit 97728e10 authored Apr 22, 2016 by Sergei Golubchik
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sql/handler.h sql/handler.h +4 -1

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--- a/sql/handler.h
+++ b/sql/handler.h
@@ -1822,7 +1822,10 @@ class Alter_inplace_info
  // Virtual columns changed
  static const HA_ALTER_FLAGS ALTER_COLUMN_VCOL          = 1L << 30;
-  // ALTER TABLE for a partitioned table
+  /**
+    ALTER TABLE for a partitioned table. The engine needs to commit
+    online alter of all partitions atomically (using group_commit_ctx)
+  */
  static const HA_ALTER_FLAGS ALTER_PARTITIONED          = 1L << 31;
  /**