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
don't push down meeting aggregate node, and add a test case based on John's comment on the ticket
Merge branch 'master' into ENG-6485
Merge branch 'master' into ENG-6485
modify test cases from pushing down limit to not pushing down when meeting aggreage nodes
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