support delete on partitioned tables
implemented partitioned by column expressions
Merge pull request #647 from crate/m/partitioned_column_expressions

implemented partitioned by column expressions
forbid order by partitioned columns
fixup! forbid order by partitioned columns
Merge pull request #652 from crate/m/forbid_partitioned_order_by

forbid order by partitioned columns
nested column partitioned order by tests
added drop support for partitioned tables
fix SelectAnalyzerTest
use callbacks when chaining tasks, remove boilerplate
Merge pull request #659 from crate/m/task_chaining

use callbacks when chaining tasks, remove boilerplate
implemented ESSearch on partitioned tables
Merge pull request #657 from crate/m/partitioned_es_search

implemented ESSearch on partitioned tables
update partition template if partition schema changes

fixed deleteById on partition table
shapshot version bump
Items of string arrays now get transformed to strings
Merge pull request #661 from crate/l/fix-string-arrays

Items of string arrays now get transformed to strings
added column 'partitioned_by' to table 'information_schema.tables'