add mysql helper script to local example, remove calls to mysql from scripts, they will be executed by the user using lmysql.sh

Signed-off-by: deepthi <deepthi@planetscale.com>

examples/local/101_initial_cluster.sh

@@ -46,10 +46,5 @@ sleep 15
 
 # start vtgate
 CELL=zone1 $script_root/vtgate-up.sh
-sleep 5
-
-# insert rows into the tables. we are actually connecting to vtgate here, it will route the sql correctly
-mysql -h 127.0.0.1 -P 15306 -u mysql_user < $script_root/../common/insert_commerce_data.sql
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_commerce_data.sql
 
 disown -a

examples/local/203_vertical_split.sh

@@ -30,8 +30,4 @@ $VTROOT/bin/vtworker \
     -use_v3_resharding_mode \
     VerticalSplitClone -min_healthy_rdonly_tablets=1 -tables=customer,corder customer/0
 
-sleep 2
-# check that customer and order data has been copied to customer keyspace
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_customer0_data.sql
-
 disown -a

examples/local/205_vertical_migrate_master.sh

@@ -23,7 +23,4 @@ script_root=`dirname "${BASH_SOURCE}"`
 
 ./lvtctl.sh MigrateServedFrom customer/0 master
 
-# customer and order data cannot be accessed from commerce keyspace
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_commerce_data.sql
-
 disown -a

examples/local/206_clean_commerce.sh

@@ -26,7 +26,4 @@ script_root=`dirname "${BASH_SOURCE}"`
 ./lvtctl.sh SetShardTabletControl -blacklisted_tables=customer,corder -remove commerce/0 replica
 ./lvtctl.sh SetShardTabletControl -blacklisted_tables=customer,corder -remove commerce/0 master
 
-# customer and order tables have now been deleted from commerce keyspace
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_commerce_data.sql
-
 disown -a

examples/local/302_new_shards.sh

@@ -29,9 +29,4 @@ sleep 15
 ./lvtctl.sh CopySchemaShard customer/0 customer/-80
 ./lvtctl.sh CopySchemaShard customer/0 customer/80-
 
-sleep 15
-# new tables are empty
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_customer-80_data.sql
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_customer80-_data.sql
-
 disown -a

examples/local/304_migrate_replicas.sh

@@ -23,5 +23,4 @@ script_root=`dirname "${BASH_SOURCE}"`
 ./lvtctl.sh MigrateServedTypes customer/0 rdonly
 ./lvtctl.sh MigrateServedTypes customer/0 replica
 
-
 disown -a

examples/local/305_migrate_master.sh

@@ -23,7 +23,5 @@ script_root=`dirname "${BASH_SOURCE}"`
 ./lvtctl.sh MigrateServedTypes customer/0 master
 
 # data has been copied over to shards, and databases for the new shards are now available
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_customer-80_data.sql
-mysql -h 127.0.0.1 -P 15306 -u mysql_user --table < $script_root/../common/select_customer80-_data.sql
 
 disown -a

examples/local/306_down_shard_0.sh

@@ -14,12 +14,12 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# this script deletes the old shard 0 which has been replaced by 2 shards
+# this script brings down the tablets for customer/0 keyspace
 
 set -e
 
 script_root=`dirname "${BASH_SOURCE}"`
 
-./lvtctl.sh DeleteShard -recursive customer/0
+CELL=zone1 UID_BASE=100 $script_root/vttablet-down.sh
 
 disown -a

examples/local/307_delete_shard_0.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Copyright 2018 The Vitess Authors.
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# this script deletes the old shard 0 which has been replaced by 2 shards
+
+set -e
+
+script_root=`dirname "${BASH_SOURCE}"`
+
+./lvtctl.sh DeleteShard -recursive customer/0
+
+disown -a

examples/local/401_teardown.sh

@@ -24,7 +24,6 @@ set -e
 script_root=`dirname "${BASH_SOURCE}"`
 
 ./vtgate-down.sh
-CELL=zone1 UID_BASE=100 $script_root/vttablet-down.sh
 CELL=zone1 UID_BASE=200 $script_root/vttablet-down.sh
 CELL=zone1 UID_BASE=300 $script_root/vttablet-down.sh
 CELL=zone1 UID_BASE=400 $script_root/vttablet-down.sh

examples/local/lmysql.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# Copyright 2018 The Vitess Authors.
+# 
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+# 
+#     http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# This is a convenience script to run mysql client against the local vtgate.
+
+mysql -h 127.0.0.1 -P 15306 -u mysql_user