Created
April 7, 2022 00:22
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inserting more than 32kb
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/* | |
create table [dbo].[round_robin_test1] | |
with ( distribution = round_robin) as select * from [dbo].[lineitem_source] where 1 = 0 | |
insert into [dbo].[round_robin_test1] | |
select top 158 * from [dbo].[lineitem_source] -- ( just slight more than 32kb) | |
*/ | |
--exec gettbldetails '%round_robin_test1%' | |
SELECT | |
[Entity Name] = QUOTENAME(s.name) + '.' + QUOTENAME(t.name), | |
[Current Distribution Method] = tp.distribution_policy_desc, | |
[Current Distribution Column] = c.name, | |
[Distribution Name] = di.name, | |
[Row Count] = nps.row_count | |
from | |
sys.schemas AS s | |
INNER JOIN sys.tables AS t | |
ON s.schema_id = t.schema_id | |
INNER JOIN sys.indexes AS i | |
ON t.object_id = i.object_id | |
AND i.index_id <= 1 | |
INNER JOIN sys.pdw_table_distribution_properties AS tp | |
ON t.object_id = tp.object_id | |
INNER JOIN sys.pdw_table_mappings AS tm | |
ON t.object_id = tm.object_id | |
INNER JOIN sys.pdw_nodes_tables AS nt | |
ON tm.physical_name = nt.name | |
INNER JOIN sys.dm_pdw_nodes AS pn | |
ON nt.pdw_node_id = pn.pdw_node_id | |
INNER JOIN sys.pdw_distributions AS di | |
ON nt.distribution_id = di.distribution_id | |
INNER JOIN | |
( | |
SELECT | |
object_id = object_id, | |
pdw_node_id = pdw_node_id, | |
distribution_id = distribution_id, | |
row_count = SUM(row_count), | |
in_row_data_page_count = SUM(in_row_data_page_count), | |
row_overflow_used_page_count = SUM(row_overflow_used_page_count), | |
lob_used_page_count = SUM(lob_used_page_count), | |
reserved_page_count = SUM(reserved_page_count), | |
used_page_count = SUM(used_page_count) | |
FROM | |
sys.dm_pdw_nodes_db_partition_stats | |
GROUP BY | |
object_id, | |
pdw_node_id, | |
distribution_id | |
) AS nps | |
ON nt.object_id = nps.object_id | |
AND nt.pdw_node_id = nps.pdw_node_id | |
AND nt.distribution_id = nps.distribution_id | |
LEFT JOIN | |
( | |
SELECT | |
object_id, | |
column_id | |
FROM | |
sys.pdw_column_distribution_properties | |
WHERE | |
distribution_ordinal = 1 | |
) AS cdp | |
ON t.object_id = cdp.object_id | |
LEFT JOIN sys.columns as c with(nolock) | |
ON cdp.object_id = c.object_id | |
AND cdp.column_id = c.column_id | |
WHERE QUOTENAME(s.name) + '.' + QUOTENAME(t.name) = '[dbo].[round_robin_test1]' and | |
pn.type = 'COMPUTE' | |
order by nps.row_count desc; |
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