Max Zhuravkov

- Adds `CatalogSystemViewProvider` that returns system view objects for catalog. - Adds `CatalogSystemViewRegistry` that contains a list of providers (`CatalogSystemViewProvider `) for catalog system views. Moves codes that creates catalog...

Thank you for submitting the pull request. To streamline the review process of the patch and ensure better code quality we ask both an author and a reviewer to verify...

https://issues.apache.org/jira/browse/IGNITE-15624 --- Thank you for submitting the pull request. To streamline the review process of the patch and ensure better code quality we ask both an author and a reviewer...

- Updates BinaryTupleBuilder to removing non-mills part from nanoseconds. - Sets default timestamp / date time precision to 3. 99 % of changes simply replace precision for timestamp/datetime to 3...

Replaces explicit casts to CHAR(n) to VARCHAR(n) to make CHAR(p) to behave as an alias of VARCHAR(p) --- Thank you for submitting the pull request. To streamline the review process...

SUBSTRING should only accept types of the INTEGER type family for its numeric arguments. After this patch the following queries should be rejected by the validator: - `SELECT SUBSTRING('aaa', 1.2)`...

https://issues.apache.org/jira/browse/IGNITE-23430 --- Thank you for submitting the pull request. To streamline the review process of the patch and ensure better code quality we ask both an author and a reviewer...

[CALCITE-1221] Implement DESCRIBE DATABASE, CATALOG, STATEMENT

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Adds `SqlNode`s for DescribeDatabase, DescribeCatalog, and DescribeStatement. JIRA: https://issues.apache.org/jira/browse/CALCITE-1221

Updates calcite to 1.41 ### Unsigned int types - Excludes unsigned integer types in some tests (since these types are not supported by apache ignite). - We do not need...