demo scripts

demo0.sh

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+#!/bin/bash
+
+set -o xtrace  # Print each command before execution
+
+PGPASSWORD=password psql -h localhost -U postgres -p 8432 -d dockercplane -c "select name, postgres_version from branches where deleted=false;"

demo1.sh

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+#!/bin/bash
+
+set -o xtrace  # Print each command before execution
+
+cargo neon stop
+rm  -rf .neon
+
+sleep 4
+
+cargo neon init
+
+sleep 3
+
+cargo neon start
+sleep 3
+
+export TENANT_ID=14719455a7fbf1d257f427377d096cc2
+cargo neon tenant create --pg-version 15 --tenant-id  $TENANT_ID
+
+sleep 1
+
+cargo neon endpoint create main --pg-version 15 --tenant-id $TENANT_ID
+
+sleep 1
+
+cargo neon endpoint start main
+cargo neon endpoint list  --tenant-id $TENANT_ID
+
+sleep 3
+
+./pg_install/v15/bin/pgbench -i -s 10 -p 55432 -h 127.0.0.1 -U cloud_admin postgres
+
+# This endpoint runs on version 15
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "select version();"
+psql -p 55432 -h 127.0.0.1 -U cloud_admin postgres -c "select pg_current_wal_lsn()"
+psql -p 55432 -h 127.0.0.1 -U cloud_admin postgres -c "\d+"
+
+

demo2.sh

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+#!/bin/bash
+
+set -o xtrace  # Print each command before execution
+
+# stop endpoint. Right now this is important, because pg_upgrade will start it
+# This is not strictly needed, so with some hacking we can implement upgrade without a pause.
+
+cargo neon endpoint stop main
+cargo neon endpoint list  --tenant-id $TENANT_ID
+ 
+# Let's create branch with new major postgres version
+# !This is the feature that we developed during the hackathon!
+# everything else is setup and checks
+
+cargo neon timeline branch --tenant-id $TENANT_ID --pg-version 16 --branch-name branch_16
+
+# create and start endpoint on it
+cargo neon endpoint create ep_16 --pg-version 16 --tenant-id $TENANT_ID  --branch-name branch_16
+
+cargo neon endpoint start ep_16
+
+# let's ensure that this new endpoint runs on a new version
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "select version();"
+
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "select pg_current_wal_lsn()"
+
+
+# This will show 0 bytes size for all user relations
+# This is a known issue. 
+# New timeline doesn't have these extensions, we will read them from parent.
+# Now relsize cache for them is also empty. After SeqScan this size cache fill be correct.
+# We need to copy the relsize cache from parent timeline.
+
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "\d+"
+
+# And as you can see, there is some data in the new endpoint.
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "select count(*) from pgbench_accounts;"
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "select count(*) from pgbench_branches;"
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "select count(*) from pgbench_tellers;"
+
+psql -p 55434 -h 127.0.0.1 -U cloud_admin postgres -c "\d+"