mirror of https://github.com/citusdata/citus.git
284 lines
12 KiB
Plaintext
284 lines
12 KiB
Plaintext
CREATE SCHEMA am_tableoptions;
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SET search_path TO am_tableoptions;
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SET columnar.compression TO 'none';
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CREATE TABLE table_options (a int) USING columnar;
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INSERT INTO table_options SELECT generate_series(1,100);
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 10000 | 150000 | 3 | none
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(1 row)
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-- test changing the compression
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SELECT alter_columnar_table_set('table_options', compression => 'pglz');
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alter_columnar_table_set
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 10000 | 150000 | 3 | pglz
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(1 row)
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-- test changing the compression level
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SELECT alter_columnar_table_set('table_options', compression_level => 5);
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alter_columnar_table_set
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 10000 | 150000 | 5 | pglz
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(1 row)
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-- test changing the chunk_group_row_limit
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SELECT alter_columnar_table_set('table_options', chunk_group_row_limit => 2000);
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alter_columnar_table_set
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 2000 | 150000 | 5 | pglz
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(1 row)
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-- test changing the chunk_group_row_limit
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SELECT alter_columnar_table_set('table_options', stripe_row_limit => 4000);
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alter_columnar_table_set
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 2000 | 4000 | 5 | pglz
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(1 row)
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-- VACUUM FULL creates a new table, make sure it copies settings from the table you are vacuuming
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VACUUM FULL table_options;
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 2000 | 4000 | 5 | pglz
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(1 row)
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-- set all settings at the same time
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SELECT alter_columnar_table_set('table_options', stripe_row_limit => 8000, chunk_group_row_limit => 4000, compression => 'none', compression_level => 7);
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alter_columnar_table_set
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 4000 | 8000 | 7 | none
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(1 row)
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-- make sure table options are not changed when VACUUM a table
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VACUUM table_options;
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 4000 | 8000 | 7 | none
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(1 row)
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-- make sure table options are not changed when VACUUM FULL a table
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VACUUM FULL table_options;
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 4000 | 8000 | 7 | none
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(1 row)
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-- make sure table options are not changed when truncating a table
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TRUNCATE table_options;
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 4000 | 8000 | 7 | none
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(1 row)
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ALTER TABLE table_options ALTER COLUMN a TYPE bigint;
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 4000 | 8000 | 7 | none
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(1 row)
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-- reset settings one by one to the version of the GUC's
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SET columnar.chunk_group_row_limit TO 1000;
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SET columnar.stripe_row_limit TO 10000;
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SET columnar.compression TO 'pglz';
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SET columnar.compression_level TO 11;
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-- verify setting the GUC's didn't change the settings
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 4000 | 8000 | 7 | none
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(1 row)
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SELECT alter_columnar_table_reset('table_options', chunk_group_row_limit => true);
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alter_columnar_table_reset
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 1000 | 8000 | 7 | none
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(1 row)
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SELECT alter_columnar_table_reset('table_options', stripe_row_limit => true);
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alter_columnar_table_reset
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 1000 | 10000 | 7 | none
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(1 row)
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SELECT alter_columnar_table_reset('table_options', compression => true);
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alter_columnar_table_reset
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 1000 | 10000 | 7 | pglz
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(1 row)
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SELECT alter_columnar_table_reset('table_options', compression_level => true);
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alter_columnar_table_reset
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 1000 | 10000 | 11 | pglz
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(1 row)
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-- verify resetting all settings at once work
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SET columnar.chunk_group_row_limit TO 10000;
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SET columnar.stripe_row_limit TO 100000;
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SET columnar.compression TO 'none';
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SET columnar.compression_level TO 13;
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 1000 | 10000 | 11 | pglz
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(1 row)
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SELECT alter_columnar_table_reset(
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'table_options',
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chunk_group_row_limit => true,
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stripe_row_limit => true,
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compression => true,
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compression_level => true);
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alter_columnar_table_reset
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---------------------------------------------------------------------
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(1 row)
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-- show table_options settings
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SELECT * FROM columnar.options
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WHERE regclass = 'table_options'::regclass;
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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table_options | 10000 | 100000 | 13 | none
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(1 row)
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-- verify edge cases
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-- first start with a table that is not a columnar table
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CREATE TABLE not_a_columnar_table (a int);
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SELECT alter_columnar_table_set('not_a_columnar_table', compression => 'pglz');
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ERROR: table not_a_columnar_table is not a columnar table
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SELECT alter_columnar_table_reset('not_a_columnar_table', compression => true);
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ERROR: table not_a_columnar_table is not a columnar table
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-- verify you can't use a compression that is not known
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SELECT alter_columnar_table_set('table_options', compression => 'foobar');
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ERROR: unknown compression type for columnar table: foobar
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-- verify cannot set out of range compression levels
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SELECT alter_columnar_table_set('table_options', compression_level => 0);
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ERROR: compression level out of range
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HINT: compression level must be between 1 and 19
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SELECT alter_columnar_table_set('table_options', compression_level => 20);
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ERROR: compression level out of range
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HINT: compression level must be between 1 and 19
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-- verify cannot set out of range stripe_row_limit & chunk_group_row_limit options
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SELECT alter_columnar_table_set('table_options', stripe_row_limit => 999);
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ERROR: stripe row count limit out of range
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HINT: stripe row count limit must be between 1000 and 10000000
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SELECT alter_columnar_table_set('table_options', stripe_row_limit => 10000001);
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ERROR: stripe row count limit out of range
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HINT: stripe row count limit must be between 1000 and 10000000
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SELECT alter_columnar_table_set('table_options', chunk_group_row_limit => 999);
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ERROR: chunk group row count limit out of range
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HINT: chunk group row count limit must be between 1000 and 100000
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SELECT alter_columnar_table_set('table_options', chunk_group_row_limit => 100001);
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ERROR: chunk group row count limit out of range
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HINT: chunk group row count limit must be between 1000 and 100000
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SELECT alter_columnar_table_set('table_options', chunk_group_row_limit => 0);
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ERROR: chunk group row count limit out of range
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HINT: chunk group row count limit must be between 1000 and 100000
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INSERT INTO table_options VALUES (1);
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-- verify options are removed when table is dropped
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DROP TABLE table_options;
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-- we expect no entries in çstore.options for anything not found int pg_class
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SELECT * FROM columnar.options o WHERE o.regclass NOT IN (SELECT oid FROM pg_class);
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regclass | chunk_group_row_limit | stripe_row_limit | compression_level | compression
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---------------------------------------------------------------------
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(0 rows)
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SET client_min_messages TO warning;
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DROP SCHEMA am_tableoptions CASCADE;
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