testdata/workloads/functional-query/queries/QueryTest/truncate-table-no-delete-stats.test

====
---- QUERY
# First create a partitioned table
create table t4 like functional.alltypes
location '$FILESYSTEM_PREFIX/test-warehouse/$DATABASE.db/t4';
insert into t4 partition(year, month) select * from functional.alltypes;
compute incremental stats t4;
# if DELETE_STATS_IN_TRUNCATE is unset then truncate should not
# delete the table statistics.
truncate table t4;
show table stats t4;
---- LABELS
YEAR, MONTH, #ROWS, #FILES, SIZE, BYTES CACHED, CACHE REPLICATION, FORMAT, INCREMENTAL STATS, LOCATION, EC POLICY
---- RESULTS
'2009','1',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','2',280,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','3',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','4',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','5',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','6',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','7',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','8',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','9',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','10',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','11',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2009','12',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','1',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','2',280,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','3',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','4',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','5',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','6',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','7',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','8',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','9',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','10',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','11',300,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'2010','12',310,0,'0B','NOT CACHED','NOT CACHED','TEXT','true',regex:.*,'$ERASURECODE_POLICY'
'Total','',7300,0,'0B','0B','','','','',''
---- TYPES
STRING, STRING, BIGINT, BIGINT, STRING, STRING, STRING, STRING, STRING, STRING, STRING
====
---- QUERY
show column stats t4;
---- LABELS
COLUMN, TYPE, #DISTINCT VALUES, #NULLS, MAX SIZE, AVG SIZE, #TRUES, #FALSES
---- RESULTS
'id','INT',7300,0,4,4,-1,-1
'bool_col','BOOLEAN',2,0,1,1,3650,3650
'tinyint_col','TINYINT',10,0,1,1,-1,-1
'smallint_col','SMALLINT',10,0,2,2,-1,-1
'int_col','INT',10,0,4,4,-1,-1
'bigint_col','BIGINT',10,0,8,8,-1,-1
'float_col','FLOAT',10,0,4,4,-1,-1
'double_col','DOUBLE',10,0,8,8,-1,-1
'date_string_col','STRING',736,0,8,8,-1,-1
'string_col','STRING',10,0,1,1,-1,-1
'timestamp_col','TIMESTAMP',7300,0,16,16,-1,-1
'year','INT',2,0,4,4,-1,-1
'month','INT',12,0,4,4,-1,-1
---- TYPES
STRING, STRING, BIGINT, BIGINT, BIGINT, DOUBLE, BIGINT, BIGINT
====
---- QUERY
# Verify that truncate was successful
select count(*) from t4;
---- RESULTS
0
---- TYPES
BIGINT
====
---- QUERY
# Unpartitioned table case: Show that if DELETE_STATS_IN_TRUNCATE is
# unset truncation removes all files
# but does not delete table and column stats.
create table t6 like functional.tinytable
location '$FILESYSTEM_PREFIX/test-warehouse/$DATABASE.db/t6';
insert into t6 select * from functional.tinytable;
compute incremental stats t6;
truncate table t6;
show table stats t6;
---- LABELS
#ROWS, #FILES, SIZE, BYTES CACHED, CACHE REPLICATION, FORMAT, INCREMENTAL STATS, LOCATION, EC POLICY
---- RESULTS
3,0,'0B','NOT CACHED','NOT CACHED','TEXT','false',regex:.*,'$ERASURECODE_POLICY'
---- TYPES
BIGINT, BIGINT, STRING, STRING, STRING, STRING, STRING, STRING, STRING
====
---- QUERY
# Show that the truncation did not remove the column stats.
show column stats t6;
---- LABELS
COLUMN, TYPE, #DISTINCT VALUES, #NULLS, MAX SIZE, AVG SIZE, #TRUES, #FALSES
---- RESULTS
'a','STRING',3,0,8,6.666666507720947,-1,-1
'b','STRING',3,0,7,4,-1,-1
---- TYPES
STRING, STRING, BIGINT, BIGINT, BIGINT, DOUBLE, BIGINT, BIGINT
====
---- QUERY
# Verify that truncate was successful
select count(*) from t6;
---- RESULTS
0
---- TYPES
BIGINT
====