From 8bc55537a1b591b4029f50f9aae3b1eb6a9f4361 Mon Sep 17 00:00:00 2001
From: tiancaiamao <tiancaiamao@gmail.com>
Date: Tue, 4 Jun 2019 11:10:18 +0800
Subject: [PATCH] executor: fix show create table for partitioned table
 (#10682)

---
 executor/show.go      |  6 ++---
 executor/show_test.go | 55 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+), 3 deletions(-)

diff --git a/executor/show.go b/executor/show.go
index e6e01a2fbcbfc..f25dcd603fdbe 100644
--- a/executor/show.go
+++ b/executor/show.go
@@ -784,9 +784,6 @@ func (e *ShowExec) fetchShowCreateTable() error {
 		fmt.Fprintf(&buf, " COMPRESSION='%s'", tb.Meta().Compression)
 	}
 
-	// add partition info here.
-	appendPartitionInfo(tb.Meta().Partition, &buf)
-
 	if hasAutoIncID {
 		autoIncID, err := tb.Allocator(e.ctx).NextGlobalAutoID(tb.Meta().ID)
 		if err != nil {
@@ -809,6 +806,9 @@ func (e *ShowExec) fetchShowCreateTable() error {
 	if len(tb.Meta().Comment) > 0 {
 		fmt.Fprintf(&buf, " COMMENT='%s'", format.OutputFormat(tb.Meta().Comment))
 	}
+	// add partition info here.
+	appendPartitionInfo(tb.Meta().Partition, &buf)
+
 	e.appendRow([]interface{}{tb.Meta().Name.O, buf.String()})
 	return nil
 }
diff --git a/executor/show_test.go b/executor/show_test.go
index 64218826245e8..7b6dfe3e82afc 100644
--- a/executor/show_test.go
+++ b/executor/show_test.go
@@ -470,6 +470,61 @@ func (s *testSuite2) TestShowCreateTable(c *C) {
 			") ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin/*!90000 SHARD_ROW_ID_BITS=4 PRE_SPLIT_REGIONS=3 */",
 	))
 	tk.MustExec("drop table t")
+
+	tk.MustExec("CREATE TABLE `log` (" +
+		"`LOG_ID` bigint(20) UNSIGNED NOT NULL AUTO_INCREMENT," +
+		"`ROUND_ID` bigint(20) UNSIGNED NOT NULL," +
+		"`USER_ID` int(10) UNSIGNED NOT NULL," +
+		"`USER_IP` int(10) UNSIGNED DEFAULT NULL," +
+		"`END_TIME` datetime NOT NULL," +
+		"`USER_TYPE` int(11) DEFAULT NULL," +
+		"`APP_ID` int(11) DEFAULT NULL," +
+		"PRIMARY KEY (`LOG_ID`,`END_TIME`)," +
+		"KEY `IDX_EndTime` (`END_TIME`)," +
+		"KEY `IDX_RoundId` (`ROUND_ID`)," +
+		"KEY `IDX_UserId_EndTime` (`USER_ID`,`END_TIME`)" +
+		") ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin AUTO_INCREMENT=505488 " +
+		"PARTITION BY RANGE ( month(`end_time`) ) (" +
+		"PARTITION p1 VALUES LESS THAN (2)," +
+		"PARTITION p2 VALUES LESS THAN (3)," +
+		"PARTITION p3 VALUES LESS THAN (4)," +
+		"PARTITION p4 VALUES LESS THAN (5)," +
+		"PARTITION p5 VALUES LESS THAN (6)," +
+		"PARTITION p6 VALUES LESS THAN (7)," +
+		"PARTITION p7 VALUES LESS THAN (8)," +
+		"PARTITION p8 VALUES LESS THAN (9)," +
+		"PARTITION p9 VALUES LESS THAN (10)," +
+		"PARTITION p10 VALUES LESS THAN (11)," +
+		"PARTITION p11 VALUES LESS THAN (12)," +
+		"PARTITION p12 VALUES LESS THAN (MAXVALUE))")
+	tk.MustQuery("show create table log").Check(testutil.RowsWithSep("|",
+		"log CREATE TABLE `log` (\n"+
+			"  `LOG_ID` bigint(20) unsigned NOT NULL AUTO_INCREMENT,\n"+
+			"  `ROUND_ID` bigint(20) unsigned NOT NULL,\n"+
+			"  `USER_ID` int(10) unsigned NOT NULL,\n"+
+			"  `USER_IP` int(10) unsigned DEFAULT NULL,\n"+
+			"  `END_TIME` datetime NOT NULL,\n"+
+			"  `USER_TYPE` int(11) DEFAULT NULL,\n"+
+			"  `APP_ID` int(11) DEFAULT NULL,\n"+
+			"  PRIMARY KEY (`LOG_ID`,`END_TIME`),\n"+
+			"  KEY `IDX_EndTime` (`END_TIME`),\n"+
+			"  KEY `IDX_RoundId` (`ROUND_ID`),\n"+
+			"  KEY `IDX_UserId_EndTime` (`USER_ID`,`END_TIME`)\n"+
+			") ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin AUTO_INCREMENT=505488\n"+
+			"PARTITION BY RANGE ( month(`end_time`) ) (\n"+
+			"  PARTITION p1 VALUES LESS THAN (2),\n"+
+			"  PARTITION p2 VALUES LESS THAN (3),\n"+
+			"  PARTITION p3 VALUES LESS THAN (4),\n"+
+			"  PARTITION p4 VALUES LESS THAN (5),\n"+
+			"  PARTITION p5 VALUES LESS THAN (6),\n"+
+			"  PARTITION p6 VALUES LESS THAN (7),\n"+
+			"  PARTITION p7 VALUES LESS THAN (8),\n"+
+			"  PARTITION p8 VALUES LESS THAN (9),\n"+
+			"  PARTITION p9 VALUES LESS THAN (10),\n"+
+			"  PARTITION p10 VALUES LESS THAN (11),\n"+
+			"  PARTITION p11 VALUES LESS THAN (12),\n"+
+			"  PARTITION p12 VALUES LESS THAN (MAXVALUE)\n"+
+			")"))
 }
 
 func (s *testSuite2) TestShowEscape(c *C) {