def add_table(self, src_db, dst_db, tbl, create_flags):
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, tbl)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % tbl)
else:
if not skytools.exists_table(src_curs, tbl):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table "%s" missing on provider, skipping' % tbl)
return
schema = skytools.fq_name_parts(tbl)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, tbl)
src_db.commit()
s.create(dst_curs, create_flags, log = self.log)
elif not tbl_exists:
self.log.warning('Table "%s" missing on subscriber, use --create if necessary' % tbl)
return
q = "select * from londiste.local_add_table(%s, %s)"
self.exec_cmd(dst_curs, q, [self.set_name, tbl])
dst_db.commit()
def add_table(self, src_db, dst_db, tbl, create_flags):
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, tbl)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % tbl)
else:
if not skytools.exists_table(src_curs, tbl):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table "%s" missing on provider, skipping' % tbl)
return
schema = skytools.fq_name_parts(tbl)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, tbl)
src_db.commit()
s.create(dst_curs, create_flags, log = self.log)
elif not tbl_exists:
self.log.warning('Table "%s" missing on subscriber, use --create if necessary' % tbl)
return
# actual table registration
q = "select * from londiste.local_add_table(%s, %s)"
self.exec_cmd(dst_curs, q, [self.set_name, tbl])
if self.options.expect_sync:
q = "select * from londiste.local_set_table_state(%s, %s, NULL, 'ok')"
self.exec_cmd(dst_curs, q, [self.set_name, tbl])
if self.options.copy_condition:
q = "select * from londiste.local_set_table_attrs(%s, %s, %s)"
attrs = {'copy_condition': self.options.copy_condition}
enc_attrs = skytools.db_urlencode(attrs)
self.exec_cmd(dst_curs, q, [self.set_name, tbl, enc_attrs])
dst_db.commit()
def add_table(self, src_db, dst_db, tbl, create_flags):
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, tbl)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % tbl)
else:
if not skytools.exists_table(src_curs, tbl):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table "%s" missing on provider, skipping' % tbl)
return
schema = skytools.fq_name_parts(tbl)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, tbl)
src_db.commit()
s.create(dst_curs, create_flags, log = self.log)
elif not tbl_exists:
self.log.warning('Table "%s" missing on subscriber, use --create if necessary' % tbl)
return
tgargs = []
if self.options.trigger_arg:
tgargs = self.options.trigger_arg
tgflags = self.options.trigger_flags
if tgflags:
tgargs.append('tgflags='+tgflags)
if self.options.no_triggers:
tgargs.append('no_triggers')
if self.options.merge_all:
tgargs.append('merge_all')
attrs = {}
if self.options.handler:
hstr = londiste.handler.create_handler_string(
self.options.handler, self.options.handler_arg)
p = londiste.handler.build_handler(tbl, hstr, self.log)
attrs['handler'] = hstr
p.add(tgargs)
# actual table registration
q = "select * from londiste.local_add_table(%s, %s, %s)"
self.exec_cmd(dst_curs, q, [self.set_name, tbl, tgargs])
if self.options.expect_sync:
q = "select * from londiste.local_set_table_state(%s, %s, NULL, 'ok')"
self.exec_cmd(dst_curs, q, [self.set_name, tbl])
else:
if self.options.skip_truncate:
attrs['skip_truncate'] = 1
if self.options.copy_condition:
attrs['copy_condition'] = self.options.copy_condition
if attrs:
enc_attrs = skytools.db_urlencode(attrs)
q = "select * from londiste.local_set_table_attrs(%s, %s, %s)"
self.exec_cmd(dst_curs, q, [self.set_name, tbl, enc_attrs])
dst_db.commit()
def load_cols(self, curs, tbl):
schema, table = skytools.fq_name_parts(tbl)
q = "select column_name from information_schema.columns"\
" where table_schema = %s and table_name = %s"
curs.execute(q, [schema, table])
cols = []
for row in curs.fetchall():
cols.append(row[0])
return cols
def load_cols(self, curs, tbl):
schema, table = skytools.fq_name_parts(tbl)
q = "select column_name from information_schema.columns"\
" where table_schema = %s and table_name = %s"
curs.execute(q, [schema, table])
cols = []
for row in curs.fetchall():
cols.append(row[0])
return cols
def add_table(self, src_db, dst_db, tbl, create_flags):
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, tbl)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % tbl)
else:
if not skytools.exists_table(src_curs, tbl):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table "%s" missing on provider, skipping' % tbl)
return
schema = skytools.fq_name_parts(tbl)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, tbl)
src_db.commit()
s.create(dst_curs, create_flags, log = self.log)
elif not tbl_exists:
self.log.warning('Table "%s" missing on subscriber, use --create if necessary' % tbl)
return
tgargs = []
if self.options.trigger_arg:
tgargs = self.options.trigger_arg
tgflags = self.options.trigger_flags
if tgflags:
tgargs.append('tgflags='+tgflags)
if self.options.no_triggers:
tgargs.append('no_triggers')
attrs = {}
if self.options.handler:
hstr = londiste.handler.create_handler_string(
self.options.handler, self.options.handler_arg)
p = londiste.handler.build_handler(tbl, hstr, self.log)
attrs['handler'] = hstr
p.add(tgargs)
# actual table registration
q = "select * from londiste.local_add_table(%s, %s, %s)"
self.exec_cmd(dst_curs, q, [self.set_name, tbl, tgargs])
if self.options.expect_sync:
q = "select * from londiste.local_set_table_state(%s, %s, NULL, 'ok')"
self.exec_cmd(dst_curs, q, [self.set_name, tbl])
else:
if self.options.skip_truncate:
attrs['skip_truncate'] = 1
if self.options.copy_condition:
attrs['copy_condition'] = self.options.copy_condition
if attrs:
enc_attrs = skytools.db_urlencode(attrs)
q = "select * from londiste.local_set_table_attrs(%s, %s, %s)"
self.exec_cmd(dst_curs, q, [self.set_name, tbl, enc_attrs])
dst_db.commit()
def __init__(self, ctx, table, create_log = True ):
""" Table name is used to construct insert update and delete statements
Table must have primary key field whose name is in format id_<table>
Tablename should be in format schema.tablename
"""
self._ctx = ctx
self._table = skytools.quote_fqident(table)
self._id = "id_" + skytools.fq_name_parts(table)[1]
self._where = skytools.quote_ident(self._id) + " = {" + self._id + "}"
self._logging = create_log
def __init__(self, curs, table_name):
"""Initializes class by loading info about table_name from database."""
super(TableStruct, self).__init__(curs, table_name)
self.table_name = table_name
# fill args
schema, name = skytools.fq_name_parts(table_name)
args = {
'schema': schema,
'table': name,
'fqname': self.fqname,
'fq2name': skytools.quote_literal(self.fqname),
'oid': skytools.get_table_oid(curs, table_name),
'pg_class_oid': skytools.get_table_oid(curs,
'pg_catalog.pg_class'),
}
# load table struct
self.col_list = self._load_elem(curs, self.name, args, TColumn)
# if db is GP then read also table distribution keys
if skytools.exists_table(curs, "pg_catalog.gp_distribution_policy"):
self.dist_key_list = self._load_elem(curs, self.name, args,
TGPDistKey)
else:
self.dist_key_list = None
self.object_list = [
TTable(table_name, self.col_list, self.dist_key_list)
]
self.seq_list = []
# load seqs
for col in self.col_list:
if col.seqname:
fqname = quote_fqident(col.seqname)
owner = self.fqname + '.' + quote_ident(col.name)
seq_args = {
'fqname': fqname,
'fq2name': skytools.quote_literal(fqname),
'owner': skytools.quote_literal(owner),
}
self.seq_list += self._load_elem(curs, col.seqname, seq_args,
TSeq)
self.object_list += self.seq_list
# load additional objects
to_load = [
TColumnDefault, TConstraint, TIndex, TTrigger, TRule, TGrant,
TOwner, TParent
]
for eclass in to_load:
self.object_list += self._load_elem(curs, self.name, args, eclass)
def find_dist_fields(self, curs):
if not skytools.exists_table(curs, "pg_catalog.gp_distribution_policy"):
return []
schema, name = skytools.fq_name_parts(self.table_name)
q = "select a.attname"\
" from pg_class t, pg_namespace n, pg_attribute a,"\
" gp_distribution_policy p"\
" where n.oid = t.relnamespace"\
" and p.localoid = t.oid"\
" and a.attrelid = t.oid"\
" and a.attnum = any(p.attrnums)"\
" and n.nspname = %s and t.relname = %s"
curs.execute(q, [schema, name])
res = []
for row in curs.fetchall():
res.append(row[0])
return res
def find_dist_fields(self, curs):
if not skytools.exists_table(curs, "pg_catalog.mpp_distribution_policy"):
return []
schema, name = skytools.fq_name_parts(self.table_name)
q = "select a.attname"\
" from pg_class t, pg_namespace n, pg_attribute a,"\
" mpp_distribution_policy p"\
" where n.oid = t.relnamespace"\
" and p.localoid = t.oid"\
" and a.attrelid = t.oid"\
" and a.attnum = any(p.attrnums)"\
" and n.nspname = %s and t.relname = %s"
curs.execute(q, [schema, name])
res = []
for row in curs.fetchall():
res.append(row[0])
return res
def __init__(self, curs, table_name):
"""Initializes class by loading info about table_name from database."""
BaseStruct.__init__(self, curs, table_name)
self.table_name = table_name
# fill args
schema, name = skytools.fq_name_parts(table_name)
args = {
'schema': schema,
'table': name,
'fqname': self.fqname,
'fq2name': skytools.quote_literal(self.fqname),
'oid': skytools.get_table_oid(curs, table_name),
'pg_class_oid': skytools.get_table_oid(curs, 'pg_catalog.pg_class'),
}
# load table struct
self.col_list = self._load_elem(curs, self.name, args, TColumn)
# if db is GP then read also table distribution keys
if skytools.exists_table(curs, "pg_catalog.gp_distribution_policy"):
self.dist_key_list = self._load_elem(curs, self.name, args,
TGPDistKey)
else:
self.dist_key_list = None
self.object_list = [ TTable(table_name, self.col_list,
self.dist_key_list) ]
self.seq_list = []
# load seqs
for col in self.col_list:
if col.seqname:
fqname = quote_fqident(col.seqname)
owner = self.fqname + '.' + quote_ident(col.name)
seq_args = { 'fqname': fqname, 'owner': skytools.quote_literal(owner) }
self.seq_list += self._load_elem(curs, col.seqname, seq_args, TSeq)
self.object_list += self.seq_list
# load additional objects
to_load = [TColumnDefault, TConstraint, TIndex, TTrigger,
TRule, TGrant, TOwner, TParent]
for eclass in to_load:
self.object_list += self._load_elem(curs, self.name, args, eclass)
def add_table(self, src_db, dst_db, tbl, create_flags, src_tbls):
# use full names
tbl = skytools.fq_name(tbl)
dest_table = self.options.dest_table or tbl
dest_table = skytools.fq_name(dest_table)
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, dest_table)
if dest_table == tbl:
desc = tbl
else:
desc = "%s(%s)" % (tbl, dest_table)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % desc)
else:
src_dest_table = src_tbls[tbl]['dest_table']
if not skytools.exists_table(src_curs, src_dest_table):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table %s missing on provider, cannot create, skipping' % desc)
return
schema = skytools.fq_name_parts(dest_table)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, src_dest_table)
src_db.commit()
# create, using rename logic only when necessary
newname = None
if src_dest_table != dest_table:
newname = dest_table
s.create(dst_curs, create_flags, log = self.log, new_table_name = newname)
tgargs = []
if self.options.trigger_arg:
tgargs = self.options.trigger_arg
tgflags = self.options.trigger_flags
if tgflags:
tgargs.append('tgflags='+tgflags)
if self.options.no_triggers:
tgargs.append('no_triggers')
if self.options.merge_all:
tgargs.append('merge_all')
if self.options.no_merge:
tgargs.append('no_merge')
attrs = {}
if self.options.handler:
hstr = londiste.handler.create_handler_string(
self.options.handler, self.options.handler_arg)
p = londiste.handler.build_handler(tbl, hstr, self.options.dest_table)
attrs['handler'] = hstr
p.add(tgargs)
if self.options.find_copy_node:
attrs['copy_node'] = '?'
elif self.options.copy_node:
attrs['copy_node'] = self.options.copy_node
if self.options.expect_sync:
tgargs.append('expect_sync')
if not self.options.expect_sync:
if self.options.skip_truncate:
attrs['skip_truncate'] = 1
if self.options.max_parallel_copy:
attrs['max_parallel_copy'] = self.options.max_parallel_copy
# actual table registration
args = [self.set_name, tbl, tgargs, None, None]
if attrs:
args[3] = skytools.db_urlencode(attrs)
if dest_table != tbl:
args[4] = dest_table
q = "select * from londiste.local_add_table(%s, %s, %s, %s, %s)"
self.exec_cmd(dst_curs, q, args)
dst_db.commit()
def add_table(self, src_db, dst_db, tbl, create_flags, src_tbls):
# use full names
tbl = skytools.fq_name(tbl)
dest_table = self.options.dest_table or tbl
dest_table = skytools.fq_name(dest_table)
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, dest_table)
dst_db.commit()
self.set_lock_timeout(dst_curs)
if dest_table == tbl:
desc = tbl
else:
desc = "%s(%s)" % (tbl, dest_table)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching', desc)
else:
src_dest_table = src_tbls[tbl]['dest_table']
if not skytools.exists_table(src_curs, src_dest_table):
# table not present on provider - nowhere to get the DDL from
self.log.warning(
'Table %s missing on provider, cannot create, skipping',
desc)
return
schema = skytools.fq_name_parts(dest_table)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, src_dest_table)
src_db.commit()
# create, using rename logic only when necessary
newname = None
if src_dest_table != dest_table:
newname = dest_table
s.create(dst_curs,
create_flags,
log=self.log,
new_table_name=newname)
elif not tbl_exists and self.options.skip_non_existing:
self.log.warning('Table %s does not exist on local node, skipping',
desc)
return
tgargs = self.build_tgargs()
attrs = {}
if self.options.handler:
attrs['handler'] = self.build_handler(tbl, tgargs,
self.options.dest_table)
if self.options.find_copy_node:
attrs['copy_node'] = '?'
elif self.options.copy_node:
attrs['copy_node'] = self.options.copy_node
if not self.options.expect_sync:
if self.options.skip_truncate:
attrs['skip_truncate'] = 1
if self.options.max_parallel_copy:
attrs['max_parallel_copy'] = self.options.max_parallel_copy
# actual table registration
args = [self.set_name, tbl, tgargs, None, None]
if attrs:
args[3] = skytools.db_urlencode(attrs)
if dest_table != tbl:
args[4] = dest_table
q = "select * from londiste.local_add_table(%s, %s, %s, %s, %s)"
self.exec_cmd(dst_curs, q, args)
dst_db.commit()
def add_table(self, src_db, dst_db, tbl, create_flags):
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, tbl)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % tbl)
else:
if not skytools.exists_table(src_curs, tbl):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table "%s" missing on provider, skipping' % tbl)
return
schema = skytools.fq_name_parts(tbl)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, tbl)
src_db.commit()
s.create(dst_curs, create_flags, log = self.log)
tgargs = []
if self.options.trigger_arg:
tgargs = self.options.trigger_arg
tgflags = self.options.trigger_flags
if tgflags:
tgargs.append('tgflags='+tgflags)
if self.options.no_triggers:
tgargs.append('no_triggers')
if self.options.merge_all:
tgargs.append('merge_all')
if self.options.no_merge:
tgargs.append('no_merge')
attrs = {}
if self.options.handler:
hstr = londiste.handler.create_handler_string(
self.options.handler, self.options.handler_arg)
p = londiste.handler.build_handler(tbl, hstr, self.log)
attrs['handler'] = hstr
p.add(tgargs)
if self.options.expect_sync:
tgargs.append('expect_sync')
if not self.options.expect_sync:
if self.options.skip_truncate:
attrs['skip_truncate'] = 1
if self.options.copy_condition:
attrs['copy_condition'] = self.options.copy_condition
if self.options.max_parallel_copy:
attrs['max_parallel_copy'] = self.options.max_parallel_copy
args = [self.set_name, tbl, tgargs]
if attrs:
args.append(skytools.db_urlencode(attrs))
q = "select * from londiste.local_add_table(%s)" %\
','.join(['%s']*len(args))
# actual table registration
self.exec_cmd(dst_curs, q, args)
dst_db.commit()
def add_table(self, src_db, dst_db, tbl, create_flags, src_tbls):
# use full names
tbl = skytools.fq_name(tbl)
dest_table = self.options.dest_table or tbl
dest_table = skytools.fq_name(dest_table)
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, dest_table)
if dest_table == tbl:
desc = tbl
else:
desc = "%s(%s)" % (tbl, dest_table)
if create_flags:
if tbl_exists:
self.log.info('Table %s already exist, not touching' % desc)
else:
src_dest_table = src_tbls[tbl]['dest_table']
if not skytools.exists_table(src_curs, src_dest_table):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table %s missing on provider, cannot create, skipping' % desc)
return
schema = skytools.fq_name_parts(dest_table)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, src_dest_table)
src_db.commit()
# create, using rename logic only when necessary
newname = None
if src_dest_table != dest_table:
newname = dest_table
s.create(dst_curs, create_flags, log = self.log, new_table_name = newname)
tgargs = []
if self.options.trigger_arg:
tgargs = self.options.trigger_arg
tgflags = self.options.trigger_flags
if tgflags:
tgargs.append('tgflags='+tgflags)
if self.options.no_triggers:
tgargs.append('no_triggers')
if self.options.merge_all:
tgargs.append('merge_all')
if self.options.no_merge:
tgargs.append('no_merge')
attrs = {}
if self.options.handler:
hstr = londiste.handler.create_handler_string(
self.options.handler, self.options.handler_arg)
p = londiste.handler.build_handler(tbl, hstr, self.options.dest_table)
attrs['handler'] = hstr
p.add(tgargs)
if self.options.copy_node:
attrs['copy_node'] = self.options.copy_node
if self.options.expect_sync:
tgargs.append('expect_sync')
if not self.options.expect_sync:
if self.options.skip_truncate:
attrs['skip_truncate'] = 1
if self.options.max_parallel_copy:
attrs['max_parallel_copy'] = self.options.max_parallel_copy
# actual table registration
args = [self.set_name, tbl, tgargs, None, None]
if attrs:
args[3] = skytools.db_urlencode(attrs)
if dest_table != tbl:
args[4] = dest_table
q = "select * from londiste.local_add_table(%s, %s, %s, %s, %s)"
self.exec_cmd(dst_curs, q, args)
dst_db.commit()
def add_table(self, src_db, dst_db, tbl, create_flags):
src_curs = src_db.cursor()
dst_curs = dst_db.cursor()
tbl_exists = skytools.exists_table(dst_curs, tbl)
if create_flags:
if tbl_exists:
self.log.info("Table %s already exist, not touching" % tbl)
else:
if not skytools.exists_table(src_curs, tbl):
# table not present on provider - nowhere to get the DDL from
self.log.warning('Table "%s" missing on provider, skipping' % tbl)
return
schema = skytools.fq_name_parts(tbl)[0]
if not skytools.exists_schema(dst_curs, schema):
q = "create schema %s" % skytools.quote_ident(schema)
dst_curs.execute(q)
s = skytools.TableStruct(src_curs, tbl)
src_db.commit()
s.create(dst_curs, create_flags, log=self.log)
tgargs = []
if self.options.trigger_arg:
tgargs = self.options.trigger_arg
tgflags = self.options.trigger_flags
if tgflags:
tgargs.append("tgflags=" + tgflags)
if self.options.no_triggers:
tgargs.append("no_triggers")
if self.options.merge_all:
tgargs.append("merge_all")
if self.options.no_merge:
tgargs.append("no_merge")
attrs = {}
if self.options.handler:
hstr = londiste.handler.create_handler_string(self.options.handler, self.options.handler_arg)
p = londiste.handler.build_handler(tbl, hstr, self.log)
attrs["handler"] = hstr
p.add(tgargs)
if self.options.expect_sync:
tgargs.append("expect_sync")
if not self.options.expect_sync:
if self.options.skip_truncate:
attrs["skip_truncate"] = 1
if self.options.copy_condition:
attrs["copy_condition"] = self.options.copy_condition
if self.options.max_parallel_copy:
attrs["max_parallel_copy"] = self.options.max_parallel_copy
args = [self.set_name, tbl, tgargs]
if attrs:
args.append(skytools.db_urlencode(attrs))
q = "select * from londiste.local_add_table(%s)" % ",".join(["%s"] * len(args))
# actual table registration
self.exec_cmd(dst_curs, q, args)
dst_db.commit()
