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Change port script to work with postgres
This commit is contained in:
Erik Johnston
parent
127fad17dd
commit
63677d1f47
1 changed files with 67 additions and 47 deletions
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@ -22,6 +22,7 @@ from synapse.storage.engines import create_engine
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import argparse
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import itertools
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import logging
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import types
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import yaml
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@ -51,6 +52,14 @@ UNICODE_COLUMNS = {
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}
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BOOLEAN_COLUMNS = {
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"events": ["processed", "outlier"],
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"rooms": ["is_public"],
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"event_edges": ["is_state"],
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"presence_list": ["accepted"],
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}
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APPEND_ONLY_TABLES = [
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"event_content_hashes",
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"event_reference_hashes",
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@ -126,24 +135,22 @@ class Store(object):
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return self.db_pool.runWithConnection(r)
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def insert_many(self, table, headers, rows):
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def insert_many_txn(self, txn, table, headers, rows):
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sql = "INSERT INTO %s (%s) VALUES (%s)" % (
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table,
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", ".join(k for k in headers),
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", ".join("%s" for _ in headers)
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)
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def t(txn):
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try:
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txn.executemany(sql, rows)
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except:
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logger.exception(
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"Failed to insert: %s",
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table,
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)
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raise
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try:
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txn.executemany(sql, rows)
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except:
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logger.exception(
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"Failed to insert: %s",
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table,
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)
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raise
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return self.runInteraction("insert_many", t)
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def chunks(n):
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@ -175,7 +182,7 @@ def handle_table(table, sqlite_store, mysql_store):
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"DELETE FROM port_from_sqlite3 WHERE table_name = %s",
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(table,)
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)
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txn.execute("DELETE FROM %s" % (table,))
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txn.execute("TRUNCATE %s CASCADE" % (table,))
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mysql_store._simple_insert_txn(
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txn,
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table="port_from_sqlite3",
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@ -188,14 +195,15 @@ def handle_table(table, sqlite_store, mysql_store):
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next_chunk = 0
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logger.info("next_chunk for %s: %d", table, next_chunk)
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N = 5000
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select = "SELECT rowid, * FROM %s WHERE rowid >= ? ORDER BY rowid LIMIT ?" % (table,)
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uni_col_names = UNICODE_COLUMNS.get(table, [])
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def conv_uni(c):
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return sqlite_store.database_engine.load_unicode(c)
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bool_col_names = BOOLEAN_COLUMNS.get(table, [])
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bin_col_names = BINARY_COLUMNS.get(table, [])
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while True:
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def r(txn):
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@ -211,24 +219,42 @@ def handle_table(table, sqlite_store, mysql_store):
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if rows:
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uni_cols = [i for i, h in enumerate(headers) if h in uni_col_names]
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bool_cols = [i for i, h in enumerate(headers) if h in bool_col_names]
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bin_cols = [i for i, h in enumerate(headers) if h in bin_col_names]
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next_chunk = rows[-1][0] + 1
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def conv(j, col):
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if j in uni_cols:
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col = sqlite_store.database_engine.load_unicode(col)
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if j in bool_cols:
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return bool(col)
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if j in bin_cols:
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if isinstance(col, types.UnicodeType):
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col = buffer(col.encode("utf8"))
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return col
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for i, row in enumerate(rows):
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rows[i] = tuple(
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mysql_store.database_engine.encode_parameter(
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conv_uni(col) if j in uni_cols else col
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conv(j, col)
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)
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for j, col in enumerate(row)
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if j > 0
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)
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yield mysql_store.insert_many(table, headers[1:], rows)
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def ins(txn):
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mysql_store.insert_many_txn(txn, table, headers[1:], rows)
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yield mysql_store._simple_update_one(
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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updatevalues={"rowid": next_chunk},
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)
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mysql_store._simple_update_one_txn(
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txn,
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table="port_from_sqlite3",
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keyvalues={"table_name": table},
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updatevalues={"rowid": next_chunk},
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)
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yield mysql_store.runInteraction("insert_many", ins)
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else:
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return
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@ -260,7 +286,7 @@ def main(sqlite_config, mysql_config):
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)
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sqlite_engine = create_engine("sqlite3")
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mysql_engine = create_engine("mysql.connector")
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mysql_engine = create_engine("psycopg2")
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sqlite_store = Store(sqlite_db_pool, sqlite_engine)
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mysql_store = Store(mysql_db_pool, mysql_engine)
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@ -285,20 +311,19 @@ def main(sqlite_config, mysql_config):
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logger.info("Found %d tables", len(tables))
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def create_port_table(txn):
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try:
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txn.execute(
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"CREATE TABLE port_from_sqlite3 ("
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" `table_name` varchar(100) NOT NULL UNIQUE,"
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" `rowid` bigint unsigned NOT NULL"
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")"
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)
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except mysql_engine.module.DatabaseError as e:
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if e.errno != mysql_engine.module.errorcode.ER_TABLE_EXISTS_ERROR:
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raise
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txn.execute(
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"CREATE TABLE port_from_sqlite3 ("
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" table_name varchar(100) NOT NULL UNIQUE,"
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" rowid bigint NOT NULL"
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")"
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)
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yield mysql_store.runInteraction(
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"create_port_table", create_port_table
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)
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try:
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yield mysql_store.runInteraction(
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"create_port_table", create_port_table
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)
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except Exception as e:
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logger.info("Failed to create port table: %s", e)
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# Process tables.
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yield defer.gatherResults(
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@ -342,17 +367,12 @@ if __name__ == "__main__":
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}
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mysql_config = yaml.safe_load(args.mysql_config)
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mysql_config["args"].update({
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"sql_mode": "TRADITIONAL",
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"charset": "utf8mb4",
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"use_unicode": True,
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"collation": "utf8mb4_bin",
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})
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import codecs
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codecs.register(
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lambda name: codecs.lookup('utf8') if name == "utf8mb4" else None
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)
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# mysql_config["args"].update({
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# "sql_mode": "TRADITIONAL",
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# "charset": "utf8mb4",
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# "use_unicode": True,
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# "collation": "utf8mb4_bin",
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# })
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reactor.callWhenRunning(
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main,
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