Update hypertable metadata table to include 'insert_temp_table' and keep the insert temp table in-sync with root in terms of fields.

This commit is contained in:
Rob Kiefer 2016-12-20 15:33:12 -05:00
parent ee36949beb
commit ff7762ea9e
11 changed files with 215 additions and 92 deletions

View File

@ -40,6 +40,7 @@ CREATE TABLE IF NOT EXISTS hypertable (
root_table_name NAME NOT NULL,
distinct_schema_name NAME NOT NULL,
distinct_table_name NAME NOT NULL,
insert_temp_table_name NAME NOT NULL,
replication_factor SMALLINT NOT NULL CHECK (replication_factor > 0),
placement chunk_placement_type NOT NULL,
time_field_name NAME NOT NULL,
@ -85,8 +86,8 @@ CREATE TABLE IF NOT EXISTS default_replica_node (
--so there can be multiple rows for one hypertable-replica on different nodes.
--that way writes are local. Optimized reads are also local for many queries.
--But, some read queries are cross-node.
--Each row creates a table.
-- Parent table: hypertable_replica.distinct_table
--Each row creates a table.
-- Parent table: hypertable_replica.distinct_table
-- No children, created table contains data.
CREATE TABLE IF NOT EXISTS distinct_replica_node (
hypertable_name NAME NOT NULL,
@ -115,7 +116,7 @@ CREATE TABLE IF NOT EXISTS partition_epoch (
CHECK (start_time < end_time)
);
-- A partition defines a partition in a partition_epoch.
-- A partition defines a partition in a partition_epoch.
-- For any partition the keyspace is defined as [0, partition_epoch.partitioning_mod]
-- For any epoch, there must be a partition that covers every element in the keyspace.
CREATE TABLE IF NOT EXISTS partition (
@ -127,7 +128,7 @@ CREATE TABLE IF NOT EXISTS partition (
CHECK (keyspace_end > keyspace_start)
);
--Represents a replica for a partition.
--Represents a replica for a partition.
--Each row creates a table:
-- Parent: "hypertable_replica.schema_name"."hypertable_replica.table_name"
-- Children: "chunk_replica_node.schema_name"."chunk_replica_node.table_name"
@ -158,7 +159,7 @@ CREATE TABLE IF NOT EXISTS chunk (
--A mapping between chunks, partition_replica, and node.
--This represents the table where actual data is stored.
--Each row represents a table:
--Each row represents a table:
-- Parent table: "partition_replica.schema_name"."partition_replica.table_name"
CREATE TABLE IF NOT EXISTS chunk_replica_node (
chunk_id INT NOT NULL REFERENCES chunk (id),
@ -171,8 +172,8 @@ CREATE TABLE IF NOT EXISTS chunk_replica_node (
UNIQUE (schema_name, table_name)
);
--Represents a hypertable field.
--TODO: remove is_partitioning. defined in partition_epoch table.
--Represents a hypertable field.
--TODO: remove is_partitioning. defined in partition_epoch table.
CREATE TABLE IF NOT EXISTS field (
hypertable_name NAME NOT NULL REFERENCES hypertable (name),
name NAME NOT NULL,

View File

@ -7,6 +7,7 @@ CREATE OR REPLACE FUNCTION add_hypertable(
number_partitions SMALLINT = NULL,
associated_schema_name NAME = NULL,
associated_table_prefix NAME = NULL,
insert_temp_table_name NAME = NULL,
hypertable_name NAME = NULL,
placement chunk_placement_type = 'STICKY'
)
@ -21,11 +22,11 @@ DECLARE
BEGIN
SELECT relname, nspname
INTO STRICT table_name, schema_name
FROM pg_class c
FROM pg_class c
INNER JOIN pg_namespace n ON (n.OID = c.relnamespace)
WHERE c.OID = main_table;
SELECT atttypid
SELECT atttypid
INTO STRICT time_field_type
FROM pg_attribute
WHERE attrelid = main_table AND attname = time_field_name;
@ -36,9 +37,9 @@ BEGIN
INTO hypertable_row
FROM dblink(
'meta_conn',
format('SELECT t FROM _meta.add_hypertable(%L, %L, %L, %L, %L, %L, %L, %L, %L, %L, %L, %L) t ',
format('SELECT t FROM _meta.add_hypertable(%L, %L, %L, %L, %L, %L, %L, %L, %L, %L, %L, %L, %L) t ',
schema_name,
table_name,
table_name,
time_field_name,
time_field_type,
partitioning_field,
@ -46,24 +47,25 @@ BEGIN
number_partitions,
associated_schema_name,
associated_table_prefix,
insert_temp_table_name,
hypertable_name,
placement,
current_database()
)) AS t(r TEXT);
FOR att_row IN SELECT *
FROM pg_attribute att
FROM pg_attribute att
WHERE attrelid = main_table AND attnum > 0 AND NOT attisdropped
LOOP
PERFORM _sysinternal.create_column_from_attribute(hypertable_row.name, att_row, 'meta_conn');
END LOOP;
END LOOP;
PERFORM 1
FROM pg_index,
FROM pg_index,
LATERAL dblink(
'meta_conn',
format('SELECT _meta.add_index(%L, %L,%L, %L, %L)',
format('SELECT _meta.add_index(%L, %L,%L, %L, %L)',
hypertable_row.name,
hypertable_row.main_schema_name,
(SELECT relname FROM pg_class WHERE oid = indexrelid::regclass),
@ -71,7 +73,7 @@ BEGIN
current_database()
)) AS t(r TEXT)
WHERE indrelid = main_table;
PERFORM dblink_exec('meta_conn', 'COMMIT');
PERFORM dblink_disconnect('meta_conn');
RETURN hypertable_row;
@ -98,19 +100,19 @@ DECLARE
BEGIN
SELECT relname, nspname
INTO STRICT table_name, schema_name
FROM pg_class c
FROM pg_class c
INNER JOIN pg_namespace n ON (n.OID = c.relnamespace)
WHERE c.OID = main_table;
SELECT * INTO hypertable_row
FROM hypertable h
WHERE main_schema_name = schema_name AND
WHERE main_schema_name = schema_name AND
main_table_name = table_name;
PERFORM *
FROM dblink(
get_meta_server_name(),
format('SELECT _meta.alter_column_set_is_distinct(%L, %L, %L, %L)',
format('SELECT _meta.alter_column_set_is_distinct(%L, %L, %L, %L)',
hypertable_row.name,
field_name,
is_distinct,

View File

@ -20,6 +20,8 @@ BEGIN
END
$BODY$;
-- Used to update a hypertable (or the insert temp table) when a new
-- field is added.
CREATE OR REPLACE FUNCTION _sysinternal.create_field_on_table(
schema_name NAME,
table_name NAME,
@ -39,7 +41,7 @@ BEGIN
IF NOT not_null THEN
null_constraint = 'NULL';
END IF;
default_constraint = 'DEFAULT '|| default_value;
EXECUTE format(
@ -48,14 +50,14 @@ BEGIN
$$,
schema_name, table_name, field, data_type_oid, default_constraint, null_constraint);
SELECT att.attnum INTO STRICT created_columns_att_num
FROM pg_attribute att
WHERE att.attrelid = format('%I.%I', schema_name, table_name)::regclass AND att.attname = field
AND NOT attisdropped;
SELECT att.attnum INTO STRICT created_columns_att_num
FROM pg_attribute att
WHERE att.attrelid = format('%I.%I', schema_name, table_name)::regclass AND att.attname = field
AND NOT attisdropped;
IF created_columns_att_num IS DISTINCT FROM attnum THEN
IF created_columns_att_num IS DISTINCT FROM attnum THEN
RAISE EXCEPTION 'Inconsistent state: the attnum of newly created colum does not match (% vs %)', attnum, created_columns_att_num
USING ERRCODE = 'IO501';
USING ERRCODE = 'IO501';
END IF;
END
$BODY$;
@ -118,13 +120,13 @@ new_not_null BOOLEAN
) RETURNS VOID LANGUAGE PLPGSQL VOLATILE AS
$BODY$
BEGIN
IF new_not_null THEN
IF new_not_null THEN
EXECUTE format(
$$
ALTER TABLE %1$I.%2$I ALTER COLUMN %3$I SET NOT NULL
$$,
schema_name, table_name, field);
ELSE
ELSE
EXECUTE format(
$$
ALTER TABLE %1$I.%2$I ALTER COLUMN %3$I DROP NOT NULL
@ -143,14 +145,14 @@ DECLARE
distinct_replica_node_row distinct_replica_node;
chunk_replica_node_row chunk_replica_node;
BEGIN
FOR distinct_replica_node_row IN
SELECT *
FOR distinct_replica_node_row IN
SELECT *
FROM distinct_replica_node drn
WHERE drn.hypertable_name = populate_distinct_table.hypertable_name AND
drn.database_name = current_database()
drn.database_name = current_database()
LOOP
FOR chunk_replica_node_row IN
SELECT crn.*
FOR chunk_replica_node_row IN
SELECT crn.*
FROM chunk_replica_node crn
INNER JOIN partition_replica pr ON (pr.id = crn.partition_replica_id)
WHERE pr.hypertable_name = distinct_replica_node_row.hypertable_name AND
@ -180,14 +182,14 @@ $BODY$
DECLARE
distinct_replica_node_row distinct_replica_node;
BEGIN
FOR distinct_replica_node_row IN
SELECT *
FOR distinct_replica_node_row IN
SELECT *
FROM distinct_replica_node drn
WHERE drn.hypertable_name = unpopulate_distinct_table.hypertable_name AND
drn.database_name = current_database()
drn.database_name = current_database()
LOOP
EXECUTE format($$
DELETE FROM %I.%I WHERE field = %L
DELETE FROM %I.%I WHERE field = %L
$$,
distinct_replica_node_row.schema_name, distinct_replica_node_row.table_name, field
);
@ -209,17 +211,23 @@ BEGIN
FROM hypertable AS h
WHERE h.name = NEW.hypertable_name;
-- update root table
PERFORM _sysinternal.create_field_on_table(hypertable_row.root_schema_name, hypertable_row.root_table_name,
NEW.name, NEW.attnum, NEW.data_type, NEW.default_value, NEW.not_null);
IF new.created_on <> current_database() THEN
PERFORM set_config('io.ignore_ddl_in_trigger', 'true', true);
PERFORM _sysinternal.create_field_on_table(hypertable_row.main_schema_name, hypertable_row.main_table_name,
-- update insert temp table
PERFORM _sysinternal.create_field_on_table(hypertable_row.associated_schema_name, hypertable_row.insert_temp_table_name,
NEW.name, NEW.attnum, NEW.data_type, NEW.default_value, NEW.not_null);
END IF;
IF new.created_on <> current_database() THEN
PERFORM set_config('io.ignore_ddl_in_trigger', 'true', true);
-- update main table on others
PERFORM _sysinternal.create_field_on_table(hypertable_row.main_schema_name, hypertable_row.main_table_name,
NEW.name, NEW.attnum, NEW.data_type, NEW.default_value, NEW.not_null);
END IF;
PERFORM _sysinternal.create_partition_constraint_for_field(NEW.hypertable_name, NEW.name);
RETURN NEW;
ELSIF TG_OP = 'UPDATE' THEN
ELSIF TG_OP = 'UPDATE' THEN
SELECT *
INTO STRICT hypertable_row
FROM hypertable AS h
@ -227,30 +235,46 @@ BEGIN
IF NEW.default_value IS DISTINCT FROM OLD.default_value THEN
update_found = TRUE;
-- update root table
PERFORM _sysinternal.exec_alter_column_set_default(hypertable_row.root_schema_name, hypertable_row.root_table_name,
NEW.name, NEW.default_value);
-- update insert temp table
PERFORM _sysinternal.exec_alter_column_set_default(hypertable_row.associated_schema_name, hypertable_row.insert_temp_table_name,
NEW.name, NEW.default_value);
IF NEW.modified_on <> current_database() THEN
PERFORM set_config('io.ignore_ddl_in_trigger', 'true', true);
-- update main table on others
PERFORM _sysinternal.exec_alter_column_set_default(hypertable_row.main_schema_name, hypertable_row.main_table_name,
NEW.name, NEW.default_value);
END IF;
END IF;
IF NEW.not_null IS DISTINCT FROM OLD.not_null THEN
update_found = TRUE;
-- update root table
PERFORM _sysinternal.exec_alter_column_set_not_null(hypertable_row.root_schema_name, hypertable_row.root_table_name,
NEW.name, NEW.not_null);
-- update insert temp table
PERFORM _sysinternal.exec_alter_column_set_not_null(hypertable_row.associated_schema_name, hypertable_row.insert_temp_table_name,
NEW.name, NEW.not_null);
IF NEW.modified_on <> current_database() THEN
PERFORM set_config('io.ignore_ddl_in_trigger', 'true', true);
-- update main table on others
PERFORM _sysinternal.exec_alter_column_set_not_null(hypertable_row.main_schema_name, hypertable_row.main_table_name,
NEW.name, NEW.not_null);
END IF;
END IF;
IF NEW.name IS DISTINCT FROM OLD.name THEN
update_found = TRUE;
-- update root table
PERFORM _sysinternal.exec_alter_table_rename_column(hypertable_row.root_schema_name, hypertable_row.root_table_name,
OLD.name, NEW.name);
-- update insert temp table
PERFORM _sysinternal.exec_alter_table_rename_column(hypertable_row.associated_schema_name, hypertable_row.insert_temp_table_name,
OLD.name, NEW.name);
IF NEW.modified_on <> current_database() THEN
PERFORM set_config('io.ignore_ddl_in_trigger', 'true', true);
-- update main table on others
PERFORM _sysinternal.exec_alter_table_rename_column(hypertable_row.main_schema_name, hypertable_row.main_table_name,
OLD.name, NEW.name);
END IF;
@ -260,7 +284,7 @@ BEGIN
update_found = TRUE;
IF NEW.is_distinct THEN
PERFORM _sysinternal.populate_distinct_table(NEW.hypertable_name, NEW.name);
ELSE
ELSE
PERFORM _sysinternal.unpopulate_distinct_table(NEW.hypertable_name, NEW.name);
END IF;
END IF;
@ -270,8 +294,8 @@ BEGIN
USING ERRCODE = 'IO101';
END IF;
RETURN NEW;
ELSIF TG_OP = 'DELETE' THEN
--handled by deleted log
ELSIF TG_OP = 'DELETE' THEN
--handled by deleted log
RETURN OLD;
END IF;
END
@ -294,10 +318,16 @@ BEGIN
FROM hypertable AS h
WHERE h.name = NEW.hypertable_name;
-- update root table
PERFORM _sysinternal.drop_field_on_table(hypertable_row.root_schema_name, hypertable_row.root_table_name,
NEW.name);
-- update insert temp table
PERFORM _sysinternal.drop_field_on_table(hypertable_row.associated_schema_name, hypertable_row.insert_temp_table_name,
NEW.name);
IF NEW.deleted_on <> current_database() THEN
PERFORM set_config('io.ignore_ddl_in_trigger', 'true', true);
-- update main table on others
PERFORM _sysinternal.drop_field_on_table(hypertable_row.main_schema_name, hypertable_row.main_table_name,
NEW.name);
END IF;
@ -306,4 +336,3 @@ BEGIN
END
$BODY$
SET SEARCH_PATH = 'public';

View File

@ -16,6 +16,7 @@ BEGIN
PERFORM _sysinternal.create_root_table(NEW.root_schema_name, NEW.root_table_name);
PERFORM _sysinternal.create_root_distinct_table(NEW.distinct_schema_name, NEW.distinct_table_name);
PERFORM _sysinternal.create_insert_temp_table(NEW.associated_schema_name, NEW.insert_temp_table_name);
IF NEW.created_on <> current_database() THEN
PERFORM _sysinternal.create_main_table(NEW.main_schema_name, NEW.main_table_name);

View File

@ -41,6 +41,25 @@ BEGIN
END
$BODY$;
-- Creates the temporary table for INSERTs. INSERTs on the root table are
-- redirected to the temporary table using a RULE. An associated trigger
-- on this table then inserts all rows in bulk after all rows are INSERTed.
-- The table is UNLOGGED for performance.
CREATE OR REPLACE FUNCTION _sysinternal.create_insert_temp_table(
schema_name NAME,
table_name NAME
)
RETURNS VOID LANGUAGE PLPGSQL VOLATILE AS
$BODY$
BEGIN
EXECUTE format(
$$
CREATE UNLOGGED TABLE IF NOT EXISTS %I.%I (
)
$$, schema_name, table_name);
END
$BODY$;
CREATE OR REPLACE FUNCTION _sysinternal.create_root_distinct_table(
schema_name NAME,
table_name NAME
@ -197,7 +216,7 @@ BEGIN
EXECUTE format(
$$
ALTER TABLE %1$I.%2$I
ALTER TABLE %1$I.%2$I
ADD CONSTRAINT partition CHECK(%3$s(%4$I::text, %5$L) BETWEEN %6$L AND %7$L)
$$,
schema_name, table_name,
@ -244,5 +263,3 @@ BEGIN
END IF;
END
$BODY$;

View File

@ -54,7 +54,6 @@ BEGIN
END
$BODY$;
CREATE OR REPLACE FUNCTION add_partition_epoch(
hypertable_name NAME,
keyspace_start SMALLINT [],
@ -90,5 +89,3 @@ SELECT add_partition_epoch(
partitioning_field
)
$BODY$;

View File

@ -13,6 +13,7 @@ CREATE OR REPLACE FUNCTION _meta.add_hypertable(
number_partitions SMALLINT,
associated_schema_name NAME,
associated_table_prefix NAME,
insert_temp_table_name NAME,
hypertable_name NAME,
placement chunk_placement_type,
created_on NAME
@ -34,6 +35,10 @@ BEGIN
associated_table_prefix = format('_hyper_%s', id);
END IF;
IF insert_temp_table_name IS NULL THEN
insert_temp_table_name = format('_hyper_%s_insert_temp', id);
END IF;
IF number_partitions IS NULL THEN
SELECT COUNT(*)
INTO number_partitions
@ -50,8 +55,9 @@ BEGIN
associated_schema_name, associated_table_prefix,
root_schema_name, root_table_name,
distinct_schema_name, distinct_table_name,
insert_temp_table_name,
replication_factor,
placement,
placement,
time_field_name, time_field_type,
created_on)
VALUES (
@ -60,7 +66,8 @@ BEGIN
associated_schema_name, associated_table_prefix,
associated_schema_name, format('%s_root', associated_table_prefix),
associated_schema_name, format('%s_distinct', associated_table_prefix),
replication_factor,
insert_temp_table_name,
replication_factor,
placement,
time_field_name, time_field_type,
created_on
@ -103,8 +110,8 @@ CREATE OR REPLACE FUNCTION _meta.drop_field(
RETURNS VOID LANGUAGE SQL VOLATILE AS
$BODY$
SELECT set_config('io.deleting_node', modified_on, true);
DELETE FROM field f
WHERE f.hypertable_name = drop_field.hypertable_name AND f.NAME = field_name;
DELETE FROM field f
WHERE f.hypertable_name = drop_field.hypertable_name AND f.NAME = field_name;
$BODY$;
--Sets the is_distinct flag for a field on a hypertable.
@ -116,9 +123,9 @@ CREATE OR REPLACE FUNCTION _meta.alter_column_set_is_distinct(
)
RETURNS VOID LANGUAGE SQL VOLATILE AS
$BODY$
UPDATE field
SET is_distinct = new_is_distinct, modified_on = modified_on_node
WHERE hypertable_name = alter_column_set_is_distinct.hypertable_name AND name = field_name;
UPDATE field
SET is_distinct = new_is_distinct, modified_on = modified_on_node
WHERE hypertable_name = alter_column_set_is_distinct.hypertable_name AND name = field_name;
$BODY$;
--Sets the default for a column on a hypertable.
@ -130,9 +137,9 @@ CREATE OR REPLACE FUNCTION _meta.alter_column_set_default(
)
RETURNS VOID LANGUAGE SQL VOLATILE AS
$BODY$
UPDATE field
SET default_value = new_default_value, modified_on = modified_on_node
WHERE hypertable_name = alter_column_set_default.hypertable_name AND name = field_name;
UPDATE field
SET default_value = new_default_value, modified_on = modified_on_node
WHERE hypertable_name = alter_column_set_default.hypertable_name AND name = field_name;
$BODY$;
--Sets the not null flag for a column on a hypertable.
@ -144,9 +151,9 @@ CREATE OR REPLACE FUNCTION _meta.alter_column_set_not_null(
)
RETURNS VOID LANGUAGE SQL VOLATILE AS
$BODY$
UPDATE field
SET not_null = new_not_null, modified_on = modified_on_node
WHERE hypertable_name = alter_column_set_not_null.hypertable_name AND name = field_name;
UPDATE field
SET not_null = new_not_null, modified_on = modified_on_node
WHERE hypertable_name = alter_column_set_not_null.hypertable_name AND name = field_name;
$BODY$;
--Renames the column on a hypertable
@ -158,9 +165,9 @@ CREATE OR REPLACE FUNCTION _meta.alter_table_rename_column(
)
RETURNS VOID LANGUAGE SQL VOLATILE AS
$BODY$
UPDATE field
SET NAME = new_field_name, modified_on = modified_on_node
WHERE hypertable_name = alter_table_rename_column.hypertable_name AND name = old_field_name;
UPDATE field
SET NAME = new_field_name, modified_on = modified_on_node
WHERE hypertable_name = alter_table_rename_column.hypertable_name AND name = old_field_name;
$BODY$;
--Add an index to a hypertable
@ -180,7 +187,7 @@ $BODY$;
--Drops the index for a hypertable
CREATE OR REPLACE FUNCTION _meta.drop_index(
main_schema_name NAME,
main_schema_name NAME,
main_index_name NAME,
modified_on NAME
)
@ -188,6 +195,5 @@ CREATE OR REPLACE FUNCTION _meta.drop_index(
$BODY$
SELECT set_config('io.deleting_node', modified_on, true);
DELETE FROM hypertable_index i
WHERE i.main_index_name = drop_index.main_index_name AND i.main_schema_name = drop_index.main_schema_name;
WHERE i.main_index_name = drop_index.main_index_name AND i.main_schema_name = drop_index.main_schema_name;
$BODY$;

View File

@ -52,9 +52,9 @@ CREATE INDEX ON PUBLIC."testNs" (temp, time DESC NULLS LAST) WHERE temp IS NOT N
CREATE INDEX ON PUBLIC."testNs" (really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_and_on_and_on, time DESC NULLS LAST) WHERE really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_and_on_and_on IS NOT NULL;
CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_and_on_and_on) WHERE really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_and_on_and_on IS NOT NULL;
SELECT * FROM add_hypertable('"public"."testNs"', 'time', 'Device_id', hypertable_name=>'testNs');
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | _sys_1_testNs | _hyper_1 | _sys_1_testNs | _hyper_1_root | _sys_1_testNs | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | _sys_1_testNs | _hyper_1 | _sys_1_testNs | _hyper_1_root | _sys_1_testNs | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT set_is_distinct_flag('"public"."testNs"', 'Device_id', TRUE);
@ -96,9 +96,9 @@ FROM meta;
SELECT *
FROM hypertable;
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | _sys_1_testNs | _hyper_1 | _sys_1_testNs | _hyper_1_root | _sys_1_testNs | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | _sys_1_testNs | _hyper_1 | _sys_1_testNs | _hyper_1_root | _sys_1_testNs | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT *
@ -200,9 +200,9 @@ FROM meta;
SELECT *
FROM hypertable;
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | _sys_1_testNs | _hyper_1 | _sys_1_testNs | _hyper_1_root | _sys_1_testNs | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | _sys_1_testNs | _hyper_1 | _sys_1_testNs | _hyper_1_root | _sys_1_testNs | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT *
@ -411,6 +411,16 @@ Index "_sys_1_testNs._hyper_1_distinct_pkey"
value | text | value | extended
primary key, btree, for table "_sys_1_testNs._hyper_1_distinct"
Unlogged table "_sys_1_testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-----------------------------------------------------------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
Device_id | text | not null | extended | |
temp | double precision | | plain | |
occupied | boolean | | plain | |
latitude | bigint | | plain | |
really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_an | bigint | | plain | |
Table "_sys_1_testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-----------------------------------------------------------------+------------------+-----------+----------+--------------+-------------
@ -563,6 +573,16 @@ Index "_sys_1_testNs._hyper_1_distinct_pkey"
value | text | value | extended
primary key, btree, for table "_sys_1_testNs._hyper_1_distinct"
Unlogged table "_sys_1_testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-----------------------------------------------------------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
Device_id | text | not null | extended | |
temp | double precision | | plain | |
occupied | boolean | | plain | |
latitude | bigint | | plain | |
really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_an | bigint | | plain | |
Table "_sys_1_testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-----------------------------------------------------------------+------------------+-----------+----------+--------------+-------------
@ -787,6 +807,16 @@ Index "_sys_1_testNs._hyper_1_distinct_pkey"
value | text | value | extended
primary key, btree, for table "_sys_1_testNs._hyper_1_distinct"
Unlogged table "_sys_1_testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-----------------------------------------------------------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
Device_id | text | not null | extended | |
temp | double precision | | plain | |
occupied | boolean | | plain | |
latitude | bigint | | plain | |
really_long_field_goes_on_and_on_and_on_and_on_and_on_and_on_an | bigint | | plain | |
Table "_sys_1_testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-----------------------------------------------------------------+------------------+-----------+----------+--------------+-------------

View File

@ -51,15 +51,15 @@ CREATE TABLE PUBLIC."Hypertable_1" (
);
CREATE INDEX ON PUBLIC."Hypertable_1" (time, "Device_id");
SELECT * FROM add_hypertable('"public"."Hypertable_1"', 'time', 'Device_id');
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
-----------------------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
public."Hypertable_1" | public | Hypertable_1 | _sys_1_ | _hyper_1 | _sys_1_ | _hyper_1_root | _sys_1_ | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
-----------------------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
public."Hypertable_1" | public | Hypertable_1 | _sys_1_ | _hyper_1 | _sys_1_ | _hyper_1_root | _sys_1_ | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT * FROM hypertable;
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
-----------------------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
public."Hypertable_1" | public | Hypertable_1 | _sys_1_ | _hyper_1 | _sys_1_ | _hyper_1_root | _sys_1_ | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
-----------------------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
public."Hypertable_1" | public | Hypertable_1 | _sys_1_ | _hyper_1 | _sys_1_ | _hyper_1_root | _sys_1_ | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT * FROM hypertable_index;

View File

@ -53,9 +53,9 @@ CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, series_1) WHERE series_1
CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, series_2) WHERE series_2 IS NOT NULL;
CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, series_bool) WHERE series_bool IS NOT NULL;
SELECT * FROM add_hypertable('"public"."testNs"', 'time', 'device_id', hypertable_name=>'testNs', associated_schema_name=>'testNs' );
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | testNs | _hyper_1 | testNs | _hyper_1_root | testNs | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | testNs | _hyper_1 | testNs | _hyper_1_root | testNs | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT set_is_distinct_flag('"public"."testNs"', 'device_id', TRUE);
@ -319,6 +319,16 @@ Child tables: "testNs"._hyper_1_0_distinct
value | text | value | extended
primary key, btree, for table "testNs._hyper_1_distinct"
Unlogged table "testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
device_id | text | not null | extended | |
series_0 | double precision | | plain | |
series_1 | double precision | | plain | |
series_2 | double precision | | plain | |
series_bool | boolean | | plain | |
Table "testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------
@ -438,6 +448,16 @@ Child tables: "testNs"._hyper_1_0_distinct
value | text | value | extended
primary key, btree, for table "testNs._hyper_1_distinct"
Unlogged table "testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
device_id | text | not null | extended | |
series_0 | double precision | | plain | |
series_1 | double precision | | plain | |
series_2 | double precision | | plain | |
series_bool | boolean | | plain | |
Table "testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------

View File

@ -53,9 +53,9 @@ CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, series_1) WHERE series_1
CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, series_2) WHERE series_2 IS NOT NULL;
CREATE INDEX ON PUBLIC."testNs" (time DESC NULLS LAST, series_bool) WHERE series_bool IS NOT NULL;
SELECT * FROM add_hypertable('"public"."testNs"', 'time', 'device_id', hypertable_name=>'testNs', associated_schema_name=>'testNs' );
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | testNs | _hyper_1 | testNs | _hyper_1_root | testNs | _hyper_1_distinct | 1 | STICKY | time | bigint | Test1
name | main_schema_name | main_table_name | associated_schema_name | associated_table_prefix | root_schema_name | root_table_name | distinct_schema_name | distinct_table_name | insert_temp_table_name | replication_factor | placement | time_field_name | time_field_type | created_on
--------+------------------+-----------------+------------------------+-------------------------+------------------+-----------------+----------------------+---------------------+------------------------+--------------------+-----------+-----------------+-----------------+------------
testNs | public | testNs | testNs | _hyper_1 | testNs | _hyper_1_root | testNs | _hyper_1_distinct | _hyper_1_insert_temp | 1 | STICKY | time | bigint | Test1
(1 row)
SELECT set_is_distinct_flag('"public"."testNs"', 'device_id', TRUE);
@ -319,6 +319,16 @@ Child tables: "testNs"._hyper_1_0_distinct
value | text | value | extended
primary key, btree, for table "testNs._hyper_1_distinct"
Unlogged table "testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
device_id | text | not null | extended | |
series_0 | double precision | | plain | |
series_1 | double precision | | plain | |
series_2 | double precision | | plain | |
series_bool | boolean | | plain | |
Table "testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------
@ -438,6 +448,16 @@ Child tables: "testNs"._hyper_1_0_distinct
value | text | value | extended
primary key, btree, for table "testNs._hyper_1_distinct"
Unlogged table "testNs._hyper_1_insert_temp"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------
time | bigint | not null | plain | |
device_id | text | not null | extended | |
series_0 | double precision | | plain | |
series_1 | double precision | | plain | |
series_2 | double precision | | plain | |
series_bool | boolean | | plain | |
Table "testNs._hyper_1_root"
Column | Type | Modifiers | Storage | Stats target | Description
-------------+------------------+-----------+----------+--------------+-------------