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IMPALA-474
Statestore not properly detecting and evicting subscribers during failure leading to endless "Duplicate registration of subscriber: subscriber-id" messages
impalad coredump executing targeted perf @ impala::ScannerContext::Stream::GetBytesInternal ()IMPALA-455
add function NVL()
CRC hash produces non-uniformly distributed values
Hive queries fail against table when Impala INSERT is in progress on same table
HBaseScanNode counters are not rightIMPALA-442
Test HDFS communication test at startupIMPALA-441
support default values for Avro tables
The command-line option -r no longer works in impala-shell.
Impala Read and Write HBase Binary Encoded values.
Queries that have syntax errors should not go in the query log
Impala is missing dayofweek() timestamp function.
"translate" UDF exists in Hive but not in Impala
Impala server calls CancelInternal during statestore subscriber callback
Impala might hang when an impalad die during query execution
Fix overflow in ReadWriteUtil::GetLongInt()
Writing a NULL to the first column in an HBase table crashes Impala in debug mode
Bigint and float's compatible type is double.
Add support for DESCRIBE FORMATTED <table name>
Impala Avro doesn't support Avro schema evolution
Impala doesn't recognize primitives as type names in Avro schemas
Impala's 1.0.1 Shell Broke Python 2.4 Compatibility (AttributeError: 'module' object has no attribute 'field_size_limit)
add memory usage tracking
Verify that log dir is writable by Impala at startup
Make "REFRESH" command a SQL statement rather than RPC
In the profile the DecompressionTime is always 0ns for RCfile format
Tuning parameters for Impala HBase Integration
Impala does not close all opened files in test_limit.py
Support column permutations on INSERT
Support WITH clause to factor out subqueries out of main query.
Add support for 'LOAD DATA' statements
Support virtual views using CREATE VIEW statement.
Add HDFS read metrics to runtime profiles
Confusing error message when attempting to execute query from impala-shell if not connected to an impalad server: Unknown Exception : 'NoneType' object has no attribute 'query'
For secure HS2 connection, Impala needs to populate TSessionState with username info
Cancelled queries sometimes aren't removed from the inflight query list
Impala crashes when attempting to read from hdfs immediately after starting (possibly within libhdfs)
Wrong results of regexp
Update last_DdlTime after performing dynamic partition insert (if partitions are created)
Improve table refresh time
Cannot exit impala shell while a multi-line command is in progress
Add millisecond granularity to start / end times in profile summary
Debug option 'WAIT' does not do the right thing.
State store subscriber heartbeat intervals sometimes very large, causing error "Connection with state-store lost, entering recovery mode"IMPALA-284
Support string literals as column aliases
Add unit tests for the impala shell
Parquet writer uses excessive memory with partitions
impala shell doesn't handle multiple commands (delimited by semi-colons) in the same line in interactive mode
Tests should validate metrics after runs
Clean up locking in HdfsScanNode/ScannerContext