Refactor insert/materialize node schemas.
run script
Preliminary live ddl test
Merge branch 'ENG-6589-adhoc-insert-default' into ENG-5910-insert-into-select

Conflicts:
	tests/frontend/org/voltdb/regressionsuites/TestSqlInsertSuite.java
Merge branch 'master' into ENG-5910-insert-into-select
Merge branch 'master' into ENG-5910-insert-into-select
Test average latency
add drop table test
different test modes
change parameters
Merge branch 'master' into ENG-6380
Merge remote-tracking branch 'origin' into ENG-6380
add some simple test case for coalesce expression
enable adhoc in deployment.xml
Check ParameterSet for errors before calling Post
(cherry picked from commit 170158a641a792734881c500e6b5c9b2a3608686)
Remove the parenthesis
Merge pull request #1498 from VoltDB/ENG-6566-sqlcommand-latency

Remove the parenthesis
write stats to a csv file
Merge remote-tracking branch 'origin' into ENG-6380
Deallocate the space after the query finishes