Yury Gerzhedovich created IGNITE-18156:
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Summary: Sql. Extend SQL grammar with CREATE/DROP ZONE statement
Key: IGNITE-18156
URL: https://issues.apache.org/jira/browse/IGNITE-18156
Project: Ignite
Issue Type: Improvement
Components: sql
Reporter: Yury Gerzhedovich
We need to provide an ability to configure distribution zones by DDL commands.
Let's extend SQL grammar with following syntax:
CREATE ZONE
\{ fq_zone_name | simple_zone_name }
[WITH
[
<data_nodes_auto_adjust> |
DATA_NODES_FILTER filter |
(<data_nodes_auto_adjust>, DATA_NODES_FILTER filter)
],
[PARTITIONS = partitions],
[REPLICAS = replicas],
[AFFINITY_FUNCTION = function]
]
[;]
<data_nodes_auto_adjust> ::= [
DATA_NODES_AUTO_ADJUST_SCALE_UP = scale_up_value |
DATA_NODES_AUTO_ADJUST_SCALE_DOWN = scale_down_value |
(DATA_NODES_AUTO_ADJUST_SCALE_UP = scale_up_value &
DATA_NODES_AUTO_ADJUST_SCALE_DOWN = scale_down_value) | DATA_NODES_AUTO_ADJUST
= auto_adjust_value
]
{code:java}
DROP ZONE {fq_zone_name | simple_zone_name}{code}
As a result the parser should be able to parse mentioned statements and provide
a valid AST representing those statements.
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