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Don't port over all of the sent_transactions table
This commit is contained in:
Erik Johnston
parent
42b7139dec
commit
4e49f52375
1 changed files with 122 additions and 40 deletions
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@ -122,8 +122,8 @@ class Store(object):
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return self.db_pool.runWithConnection(r)
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def execute(self, f):
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return self.runInteraction(f.__name__, f)
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def execute(self, f, *args, **kwargs):
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return self.runInteraction(f.__name__, f, *args, **kwargs)
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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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@ -347,9 +347,118 @@ class Porter(object):
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def __init__(self, **kwargs):
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self.__dict__.update(kwargs)
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def convert_rows(self, table, headers, rows):
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bool_col_names = BOOLEAN_COLUMNS.get(table, [])
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bool_cols = [
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i for i, h in enumerate(headers) if h in bool_col_names
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]
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def conv(j, col):
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if j in bool_cols:
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return bool(col)
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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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self.postgres_store.database_engine.encode_parameter(
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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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@defer.inlineCallbacks
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def handle_table(self, table):
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if table in APPEND_ONLY_TABLES:
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def delete_all(txn):
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txn.execute(
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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("TRUNCATE %s CASCADE" % (table,))
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def get_table_size(txn):
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txn.execute("SELECT count(*) FROM %s" % (table,))
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size, = txn.fetchone()
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return int(size)
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if table == "sent_transactions":
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# This is a big table, and we really only need some of the recent
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# data
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yield self.postgres_store.execute(delete_all)
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# Only save things from the last day
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yesterday = 1429114568820 #int(time.time()*1000) - 86400000
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# And save the max transaction id from each destination
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select = (
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"SELECT rowid, * FROM sent_transactions WHERE rowid IN ("
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"SELECT max(rowid) FROM sent_transactions"
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" GROUP BY destination"
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")"
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)
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def r(txn):
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txn.execute(select)
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rows = txn.fetchall()
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headers = [column[0] for column in txn.description]
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ts_ind = headers.index('ts')
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return headers, [r for r in rows if r[ts_ind] < yesterday]
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headers, rows = yield self.sqlite_store.runInteraction(
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"select", r,
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)
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self.convert_rows(table, headers, rows)
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inserted_rows = len(rows)
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max_inserted_rowid = max(r[0] for r in rows)
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def insert(txn):
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self.postgres_store.insert_many_txn(
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txn, table, headers[1:], rows
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)
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yield self.postgres_store.execute(insert)
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def get_start_id(txn):
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txn.execute(
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"SELECT rowid FROM sent_transactions WHERE ts >= ?"
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" ORDER BY rowid ASC LIMIT 1",
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(yesterday,)
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)
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rows = txn.fetchall()
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if rows:
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return rows[0][0]
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else:
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return 1
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next_chunk = yield self.sqlite_store.execute(get_start_id)
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next_chunk = max(max_inserted_rowid + 1, next_chunk)
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yield self.postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": next_chunk}
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)
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def get_sent_table_size(txn):
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txn.execute(
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"SELECT count(*) FROM sent_transactions"
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" WHERE ts >= ?",
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(yesterday,)
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)
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size, = txn.fetchone()
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return int(size)
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table_size = yield self.sqlite_store.execute(
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get_sent_table_size
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)
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table_size += inserted_rows
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elif table in APPEND_ONLY_TABLES:
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# It's safe to just carry on inserting.
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next_chunk = yield self.postgres_store._simple_select_one_onecol(
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table="port_from_sqlite3",
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@ -365,28 +474,18 @@ class Porter(object):
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)
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next_chunk = 1
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else:
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def delete_all(txn):
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txn.execute(
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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("TRUNCATE %s CASCADE" % (table,))
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self.postgres_store._simple_insert_txn(
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txn,
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 0}
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)
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yield self.postgres_store.execute(delete_all)
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table_size = yield self.sqlite_store.execute(get_table_size)
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else:
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yield self.postgres_store.execute(delete_all)
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self.postgres_store._simple_insert(
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table="port_from_sqlite3",
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values={"table_name": table, "rowid": 0}
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)
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table_size = yield self.sqlite_store.execute(get_table_size)
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next_chunk = 1
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def get_table_size(txn):
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txn.execute("SELECT count(*) FROM %s" % (table,))
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size, = txn.fetchone()
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return int(size)
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table_size = yield self.sqlite_store.execute(get_table_size)
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postgres_size = yield self.postgres_store.execute(get_table_size)
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if not table_size:
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@ -399,8 +498,6 @@ class Porter(object):
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% (table,)
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)
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bool_col_names = BOOLEAN_COLUMNS.get(table, [])
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while True:
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def r(txn):
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txn.execute(select, (next_chunk, self.batch_size,))
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@ -412,24 +509,9 @@ class Porter(object):
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headers, rows = yield self.sqlite_store.runInteraction("select", r)
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if rows:
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bool_cols = [
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i for i, h in enumerate(headers) if h in bool_col_names
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]
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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 bool_cols:
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return bool(col)
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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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self.postgres_store.database_engine.encode_parameter(
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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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self.convert_rows(table, headers, rows)
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def insert(txn):
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self.postgres_store.insert_many_txn(
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