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Merge pull request #3072 from matrix-org/rav/fix_port_script 

postgres port script: fix state_groups_pkey error
This commit is contained in:
Richard van der Hoff 2018-04-06 15:47:40 +01:00 committed by GitHub
parent 35ff941172 6a9777ba02
commit 8844f95c32
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1 changed files with 48 additions and 33 deletions
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81
scripts/synapse_port_db
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@ -1,6 +1,7 @@
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# Copyright 2015, 2016 OpenMarket Ltd
# Copyright 2018 New Vector Ltd
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
@ -250,6 +251,12 @@ class Porter(object):
@defer.inlineCallbacks
def handle_table(self, table, postgres_size, table_size, forward_chunk,
backward_chunk):
logger.info(
"Table %s: %i/%i (rows %i-%i) already ported",
table, postgres_size, table_size,
backward_chunk+1, forward_chunk-1,
)
if not table_size:
return
@ -467,31 +474,10 @@ class Porter(object):
self.progress.set_state("Preparing PostgreSQL")
self.setup_db(postgres_config, postgres_engine)
# Step 2. Get tables.
self.progress.set_state("Fetching tables")
sqlite_tables = yield self.sqlite_store._simple_select_onecol(
table="sqlite_master",
keyvalues={
"type": "table",
},
retcol="name",
)
postgres_tables = yield self.postgres_store._simple_select_onecol(
table="information_schema.tables",
keyvalues={},
retcol="distinct table_name",
)
tables = set(sqlite_tables) & set(postgres_tables)
self.progress.set_state("Creating tables")
logger.info("Found %d tables", len(tables))
self.progress.set_state("Creating port tables")
def create_port_table(txn):
txn.execute(
"CREATE TABLE port_from_sqlite3 ("
"CREATE TABLE IF NOT EXISTS port_from_sqlite3 ("
" table_name varchar(100) NOT NULL UNIQUE,"
" forward_rowid bigint NOT NULL,"
" backward_rowid bigint NOT NULL"
@ -517,18 +503,33 @@ class Porter(object):
"alter_table", alter_table
)
except Exception as e:
logger.info("Failed to create port table: %s", e)
pass
try:
yield self.postgres_store.runInteraction(
"create_port_table", create_port_table
)
except Exception as e:
logger.info("Failed to create port table: %s", e)
yield self.postgres_store.runInteraction(
"create_port_table", create_port_table
)
self.progress.set_state("Setting up")
# Step 2. Get tables.
self.progress.set_state("Fetching tables")
sqlite_tables = yield self.sqlite_store._simple_select_onecol(
table="sqlite_master",
keyvalues={
"type": "table",
},
retcol="name",
)
# Set up tables.
postgres_tables = yield self.postgres_store._simple_select_onecol(
table="information_schema.tables",
keyvalues={},
retcol="distinct table_name",
)
tables = set(sqlite_tables) & set(postgres_tables)
logger.info("Found %d tables", len(tables))
# Step 3. Figure out what still needs copying
self.progress.set_state("Checking on port progress")
setup_res = yield defer.gatherResults(
[
self.setup_table(table)
@ -539,7 +540,8 @@ class Porter(object):
consumeErrors=True,
)
# Process tables.
# Step 4. Do the copying.
self.progress.set_state("Copying to postgres")
yield defer.gatherResults(
[
self.handle_table(*res)
@ -548,6 +550,9 @@ class Porter(object):
consumeErrors=True,
)
# Step 5. Do final post-processing
yield self._setup_state_group_id_seq()
self.progress.done()
except:
global end_error_exec_info
@ -707,6 +712,16 @@ class Porter(object):
defer.returnValue((done, remaining + done))
def _setup_state_group_id_seq(self):
def r(txn):
txn.execute("SELECT MAX(id) FROM state_groups")
next_id = txn.fetchone()[0]+1
txn.execute(
"ALTER SEQUENCE state_group_id_seq RESTART WITH %s",
(next_id,),
)
return self.postgres_store.runInteraction("setup_state_group_id_seq", r)
##############################################
###### The following is simply UI stuff ######