Sql debug cmd

[max-hoffman]

use:

 > dolt debug --output debug --time 10 -q "select * from table"
starting cpu profile...
starting mem profile...
starting trace profile...
debug results in: /var/folders/f7/0hsvdb9j0q71y3742k64jfn80000gn/T/dolt-debug-1522503989
zipped results in: debug.tar.gz

 > ls /var/folders/f7/0hsvdb9j0q71y3742k64jfn80000gn/T/dolt-debug-1522503989
analysis.txt        exec.txt       mem.pprof               trace.out
cpu.pprof           input.sql     plan.txt

• cpu.pprof = CPU profile, run for at least time seconds (query loops if necessary)
• mem.pprof = memory profile, run for at least time seconds (query loops if necessary)
• trace.out = trace profile, run for at least time seconds (query loops if necessary)
• input.sql = input query (select * from table)
• analysis.txt = debug analysis output, includes memo and index cost estimations
• plan.txt = simple and verbose plan output
• exec.txt = accumulated stdout/stderr for all queries/background work

note:

• fails if server mode is running, having this be a stored procedure would be quite a bit more work
• lightly tested, queries with errors, larger scripts with DML/DDL probably do not profile smoothly

[coffeegoddd]

@max-hoffman DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
b5aa110	ok	5937457

version	total_tests
b5aa110	5937457

correctness_percentage
100.0

[coffeegoddd]

@max-hoffman DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
f7ac3f9	ok	5937457

version	total_tests
f7ac3f9	5937457

correctness_percentage
100.0

[coffeegoddd]

@max-hoffman DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
0858f52	ok	5937457

version	total_tests
0858f52	5937457

correctness_percentage
100.0

[coffeegoddd]

@max-hoffman DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
6c86e77	ok	5937457

version	total_tests
6c86e77	5937457

correctness_percentage
100.0