sql: Added temp tables, CTAS, XA to incompatibility (#765)

* sql: Added temp tables, XA and CTAS to incompatibility
pingcap · Dec 27, 2018 · c6b4982 · c6b4982
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commit c6b4982
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diff --git a/sql/mysql-compatibility.md b/sql/mysql-compatibility.md
@@ -32,6 +32,9 @@ However, in TiDB, the following MySQL features are not supported for the time be
 + X-Protocol
 + Savepoints
 + Column-level privileges
++ `CREATE TABLE tblName AS SELECT stmt` syntax
++ `CREATE TEMPORARY TABLE` syntax
++ `XA` syntax (TiDB uses a two-phase commit internally, but this is not exposed via an SQL interface)
 
 ## Features that are different from MySQL