database/mariadb-columnstore-engine
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MCOL-5013: Load Data from S3 into Columnstore

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Introduced UDF and stored prodecure.
usage:

set columnstore_s3_key='<s3_key>';
set columnstore_s3_secret='<s3_secret>';
set columnstore_s3_region='region';

and then use UDF
select columnstore_dataload("<tablename>", "<filename>", "<bucket>", "<db_name>");
for UDF db_name can be ommited, then current connection db will be used

or stored function
call calpontsys.columnstore_load_from_s3("<tablename>", "<filename>", "<bucket>", "<db_name>");
This commit is contained in:
Leonid Fedorov
2022-03-28 14:26:02 +00:00
parent 7d955a0f85
commit f5b2a6885f
9 changed files with 356 additions and 29 deletions
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1
dbcon/mysql/install_mcs_mysql.sh.in
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@ -55,6 +55,7 @@ CREATE OR REPLACE FUNCTION mcssystemreadonly RETURNS INTEGER SONAME 'ha_columnst
CREATE OR REPLACE FUNCTION mcssystemprimary RETURNS INTEGER SONAME 'ha_columnstore.so';
CREATE OR REPLACE FUNCTION mcs_emindex_size RETURNS INTEGER SONAME 'ha_columnstore.so';
CREATE OR REPLACE FUNCTION mcs_emindex_free RETURNS INTEGER SONAME 'ha_columnstore.so';
CREATE OR REPLACE FUNCTION columnstore_dataload RETURNS STRING SONAME 'ha_columnstore.so';
CREATE OR REPLACE AGGREGATE FUNCTION regr_avgx RETURNS REAL SONAME 'libregr_mysql.so';
CREATE OR REPLACE AGGREGATE FUNCTION regr_avgy RETURNS REAL SONAME 'libregr_mysql.so';
CREATE OR REPLACE AGGREGATE FUNCTION regr_count RETURNS INTEGER SONAME 'libregr_mysql.so';