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fix per comments, add if not exists to create pqsql sequence 

Signed-off-by: wang yan <wangyan@vmware.com>
This commit is contained in:
wang yan 2018-12-08 14:23:12 +08:00
parent 0517ecca7a
commit 7936d14abc
1 changed files with 4 additions and 10 deletions
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14
tools/migration/db/util/mysql_pgsql_data_converter.py
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@ -94,8 +94,8 @@ def convert_notary_server_db(mysql_dump_file, pgsql_dump_file):
write_database(pgsql_dump, "notaryserver")
write_insert(pgsql_dump, insert_lines)
alter_sequence(pgsql_dump, "tuf_files", "id")
alter_sequence(pgsql_dump, "changefeed", "id")
write_sequence(pgsql_dump, "tuf_files", "id")
write_sequence(pgsql_dump, "changefeed", "id")
def convert_notary_signer_db(mysql_dump_file, pgsql_dump_file):
mysql_dump = open(mysql_dump_file)
@ -116,7 +116,7 @@ def convert_notary_signer_db(mysql_dump_file, pgsql_dump_file):
write_database(pgsql_dump, "notarysigner")
write_insert(pgsql_dump, insert_lines)
alter_sequence(pgsql_dump, "private_keys", "id")
write_sequence(pgsql_dump, "private_keys", "id")
def write_database(pgsql_dump, db_name):
pgsql_dump.write("\\c %s;\n" % db_name)
@ -145,16 +145,10 @@ def write_alter_table_bool(pgsql_dump, table_name, table_columnn, default_value=
def write_sequence(pgsql_dump, table_name, table_columnn):
pgsql_dump.write('\n')
pgsql_dump.write("CREATE SEQUENCE %s_%s_seq;\n" % (table_name, table_columnn))
pgsql_dump.write("CREATE SEQUENCE IF NOT EXISTS %s_%s_seq;\n" % (table_name, table_columnn))
pgsql_dump.write("SELECT setval('%s_%s_seq', max(%s)) FROM %s;\n" % (table_name, table_columnn, table_columnn, table_name))
pgsql_dump.write("ALTER TABLE \"%s\" ALTER COLUMN \"%s\" SET DEFAULT nextval('%s_%s_seq');\n" % (table_name, table_columnn, table_name, table_columnn))
def alter_sequence(pgsql_dump, table_name, table_columnn):
pgsql_dump.write('\n')
pgsql_dump.write("SELECT setval('%s_%s_seq', max(%s)) FROM %s;\n" % (table_name, table_columnn, table_columnn, table_name))
pgsql_dump.write("ALTER TABLE \"%s\" ALTER COLUMN \"%s\" SET DEFAULT nextval('%s_%s_seq');\n" % (table_name, table_columnn, table_name, table_columnn))
if __name__ == "__main__":
if sys.argv[1].find("registry") != -1:
convert_registry_db(sys.argv[1], sys.argv[2])