Changeset: 61095350fe0d for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=61095350fe0d
Added Files:
        sql/backends/monet5/Tests/cquery11.sql
        sql/backends/monet5/Tests/cquery11.stable.err
        sql/backends/monet5/Tests/cquery11.stable.out
        sql/backends/monet5/Tests/cquery12.sql
Modified Files:
        sql/backends/monet5/Tests/All
        sql/backends/monet5/sql_cquery.c
Branch: trails
Log Message:

Wait for the scheduler thread to finish when stopping the final continuous 
query in the server, also cleaned the lock layout.


diffs (truncated from 492 to 300 lines):

diff --git a/sql/backends/monet5/Tests/All b/sql/backends/monet5/Tests/All
--- a/sql/backends/monet5/Tests/All
+++ b/sql/backends/monet5/Tests/All
@@ -96,6 +96,8 @@ cquery07
 cquery08
 cquery09
 cquery10
+cquery11
+cquery12
 
 cqstream00
 cqstream01
diff --git a/sql/backends/monet5/Tests/cquery11.sql 
b/sql/backends/monet5/Tests/cquery11.sql
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/cquery11.sql
@@ -0,0 +1,25 @@
+--start and stop the same continuous query continuously
+create stream table testing12 (a int) set window 1 stride 1;
+
+create table results12 (a int);
+
+create procedure cq_query12()
+begin
+       insert into results12 (select count(*) from testing12);
+end;
+
+start continuous sys.cq_query12() with cycles 1;
+stop continuous sys.cq_query12();
+
+start continuous sys.cq_query12() with cycles 12;
+stop continuous sys.cq_query12();
+
+start continuous sys.cq_query12();
+stop continuous sys.cq_query12();
+
+select count(*) from results12;
+
+drop procedure sys.cq_query12;
+
+drop table testing12;
+drop table results12;
diff --git a/sql/backends/monet5/Tests/cquery11.stable.err 
b/sql/backends/monet5/Tests/cquery11.stable.err
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/cquery11.stable.err
@@ -0,0 +1,35 @@
+stderr of test 'cquery11` in directory 'sql/backends/monet5` itself:
+
+
+# 17:13:16 >  
+# 17:13:16 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=30384" "--set" 
"mapi_usock=/var/tmp/mtest-23368/.s.monetdb.30384" "--set" "monet_prompt=" 
"--forcemito" 
"--dbpath=/home/ferreira/MonetDB-trails/BUILD/var/MonetDB/mTests_sql_backends_monet5"
 "--set" "embedded_r=yes"
+# 17:13:16 >  
+
+# builtin opt  gdk_dbpath = 
/home/ferreira/MonetDB-trails/BUILD/var/monetdb5/dbfarm/demo
+# builtin opt  gdk_debug = 0
+# builtin opt  gdk_vmtrim = no
+# builtin opt  monet_prompt = >
+# builtin opt  monet_daemon = no
+# builtin opt  mapi_port = 50000
+# builtin opt  mapi_open = false
+# builtin opt  mapi_autosense = false
+# builtin opt  sql_optimizer = default_pipe
+# builtin opt  sql_debug = 0
+# cmdline opt  gdk_nr_threads = 0
+# cmdline opt  mapi_open = true
+# cmdline opt  mapi_port = 30384
+# cmdline opt  mapi_usock = /var/tmp/mtest-23368/.s.monetdb.30384
+# cmdline opt  monet_prompt = 
+# cmdline opt  gdk_dbpath = 
/home/ferreira/MonetDB-trails/BUILD/var/MonetDB/mTests_sql_backends_monet5
+# cmdline opt  embedded_r = yes
+# cmdline opt  gdk_debug = 536870922
+
+# 17:13:17 >  
+# 17:13:17 >  "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-23368" "--port=30384"
+# 17:13:17 >  
+
+
+# 17:13:20 >  
+# 17:13:20 >  "Done."
+# 17:13:20 >  
+
diff --git a/sql/backends/monet5/Tests/cquery11.stable.out 
b/sql/backends/monet5/Tests/cquery11.stable.out
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/cquery11.stable.out
@@ -0,0 +1,89 @@
+stdout of test 'cquery11` in directory 'sql/backends/monet5` itself:
+
+
+# 17:13:16 >  
+# 17:13:16 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=30384" "--set" 
"mapi_usock=/var/tmp/mtest-23368/.s.monetdb.30384" "--set" "monet_prompt=" 
"--forcemito" 
"--dbpath=/home/ferreira/MonetDB-trails/BUILD/var/MonetDB/mTests_sql_backends_monet5"
 "--set" "embedded_r=yes"
+# 17:13:16 >  
+
+# MonetDB 5 server v11.28.0
+# This is an unreleased version
+# Serving database 'mTests_sql_backends_monet5', using 8 threads
+# Compiled for x86_64-pc-linux-gnu/64bit with 128bit integers
+# Found 15.498 GiB available main-memory.
+# Copyright (c) 1993-July 2008 CWI.
+# Copyright (c) August 2008-2017 MonetDB B.V., all rights reserved
+# Visit https://www.monetdb.org/ for further information
+# Listening for connection requests on 
mapi:monetdb://dhcp-120.eduroam.cwi.nl:30384/
+# Listening for UNIX domain connection requests on 
mapi:monetdb:///var/tmp/mtest-23368/.s.monetdb.30384
+# MonetDB/GIS module loaded
+# MonetDB/SQL module loaded
+# MonetDB/Timetrails module loaded
+# MonetDB/R   module loaded
+
+Ready.
+# SQL catalog created, loading sql scripts once
+# loading sql script: 09_like.sql
+# loading sql script: 10_math.sql
+# loading sql script: 11_times.sql
+# loading sql script: 12_url.sql
+# loading sql script: 13_date.sql
+# loading sql script: 14_inet.sql
+# loading sql script: 15_querylog.sql
+# loading sql script: 16_tracelog.sql
+# loading sql script: 17_temporal.sql
+# loading sql script: 18_index.sql
+# loading sql script: 20_vacuum.sql
+# loading sql script: 21_dependency_functions.sql
+# loading sql script: 22_clients.sql
+# loading sql script: 23_skyserver.sql
+# loading sql script: 25_debug.sql
+# loading sql script: 26_sysmon.sql
+# loading sql script: 27_rejects.sql
+# loading sql script: 39_analytics.sql
+# loading sql script: 39_analytics_hge.sql
+# loading sql script: 40_geom.sql
+# loading sql script: 40_json.sql
+# loading sql script: 40_json_hge.sql
+# loading sql script: 41_md5sum.sql
+# loading sql script: 45_uuid.sql
+# loading sql script: 46_profiler.sql
+# loading sql script: 50_cquery.sql
+# loading sql script: 51_sys_schema_extension.sql
+# loading sql script: 60_wlcr.sql
+# loading sql script: 72_fits.sql
+# loading sql script: 74_netcdf.sql
+# loading sql script: 75_lidar.sql
+# loading sql script: 75_shp.sql
+# loading sql script: 75_storagemodel.sql
+# loading sql script: 80_statistics.sql
+# loading sql script: 80_udf.sql
+# loading sql script: 80_udf_hge.sql
+# loading sql script: 85_bam.sql
+# loading sql script: 90_generator.sql
+# loading sql script: 90_generator_hge.sql
+# loading sql script: 99_system.sql
+
+# 17:13:17 >  
+# 17:13:17 >  "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-23368" "--port=30384"
+# 17:13:17 >  
+
+#create stream table testing12 (a int) set window 1 stride 1;
+#create table results12 (a int);
+#create procedure cq_query12()
+#begin
+#      insert into results12 (select count(*) from testing12);
+#end;
+#select count(*) from results12;
+% sys.L4 # table_name
+% L3 # name
+% bigint # type
+% 1 # length
+[ 0    ]
+#drop procedure sys.cq_query12;
+#drop table testing12;
+#drop table results12;
+
+# 17:13:20 >  
+# 17:13:20 >  "Done."
+# 17:13:20 >  
+
diff --git a/sql/backends/monet5/Tests/cquery12.sql 
b/sql/backends/monet5/Tests/cquery12.sql
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/cquery12.sql
@@ -0,0 +1,56 @@
+--trigger other continuous queries inside a continuous query
+create stream table testing11a (a int) set window 1 stride 1;
+create stream table testing11b (a int) set window 1 stride 1;
+create stream table testing11c (a int) set window 1 stride 1;
+
+create table results11a (a int);
+create table results11b (a int);
+
+create procedure cq_query11a()
+begin
+       insert into results11a (select count(*) from testing11a);
+end;
+
+create procedure cq_query11b()
+begin
+       insert into results11b (select count(*) from testing11b);
+end;
+
+create procedure cq_query11c()
+begin
+       insert into testing11a values (1);
+       insert into testing11b values (1);
+end;
+
+start continuous sys.cq_query11a() with cycles 1;
+start continuous sys.cq_query11b();
+start continuous sys.cq_query11c() with cycles 2;
+
+insert into testing11c values (1);
+insert into testing11c values (2);
+insert into testing11c values (3);
+
+call cquery.wait(1000);
+
+stop continuous sys.cq_query11a();
+stop continuous sys.cq_query11b();
+stop continuous sys.cq_query11c();
+
+start continuous sys.cq_query11a() with cycles 1;
+
+call cquery.wait(1000);
+
+stop continuous sys.cq_query11a();
+
+select count(*) from results11a; --should be 1
+select count(*) from results11b; --should be 2
+
+drop procedure sys.cq_query11a;
+drop procedure sys.cq_query11b;
+drop procedure sys.cq_query11c;
+
+drop table testing11a;
+drop table testing11b;
+drop table testing11c;
+drop table results11a;
+drop table results11b;
diff --git a/sql/backends/monet5/sql_cquery.c b/sql/backends/monet5/sql_cquery.c
--- a/sql/backends/monet5/sql_cquery.c
+++ b/sql/backends/monet5/sql_cquery.c
@@ -55,7 +55,6 @@
 static str statusname[7] = {"init", "register", "readytorun", "running", 
"waiting", "paused", "stopping"};
 
 static str CQstartScheduler(void);
-static int CQinit;
 static int pnstatus = CQINIT;
 static int cycleDelay = 200; /* be careful, it affects response/throughput 
timings */
 static MT_Lock ttrLock;
@@ -640,11 +639,15 @@ CQregister(Client cntxt, MalBlkPtr mb, M
        pnettop++;
 
 unlock:
-       MT_lock_unset(&ttrLock);
+       if(!msg && cq_pid == 0) { /* start the scheduler if needed */
+               if( pnettop == 1)
+                       pnstatus = CQINIT;
+               MT_lock_unset(&ttrLock);
+               msg = CQstartScheduler();
+       } else {
+               MT_lock_unset(&ttrLock);
+       }
 finish:
-       if(!msg && CQinit == 0) { /* start the scheduler if needed */
-               msg = CQstartScheduler();
-       }
        return msg;
 }
 
@@ -712,7 +715,7 @@ CQresumeInternal(Client cntxt, MalBlkPtr
        }
 
        /* start the scheduler if needed */
-       if(CQinit == 0) {
+       if(cq_pid == 0) {
                msg = CQstartScheduler();
        }
 
@@ -799,7 +802,7 @@ CQresumeAll(Client cntxt, MalBlkPtr mb, 
                pnet[i].status = CQWAIT;
 
        /* start the scheduler if needed */
-       if(CQinit == 0) {
+       if(cq_pid == 0) {
                MT_lock_unset(&ttrLock);
                msg = CQstartScheduler();
        } else {
@@ -937,7 +940,7 @@ CQbeginAt(Client cntxt, MalBlkPtr mb, Ma
        for( ; idx < last; idx++)
                pnet[idx].run = delay - (pnet[idx].beats > 0 ? pnet[idx].beats 
: 0);
 
-       finish:
+finish:
        MT_lock_unset(&ttrLock);
        return msg;
 }
@@ -975,7 +978,7 @@ CQcycles(Client cntxt, MalBlkPtr mb, Mal
        for( ; idx < last; idx++)
                pnet[idx].cycles = cycles;
 
-       finish:
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