Changeset: 673282da16ee for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=673282da16ee
Added Files:
monetdb5/modules/mal/Tests/cpustat.mal
monetdb5/modules/mal/querylog.c
monetdb5/modules/mal/querylog.h
monetdb5/modules/mal/querylog.mal
monetdb5/optimizer/opt_querylog.c
monetdb5/optimizer/opt_querylog.h
sql/scripts/15_querylog.sql
sql/test/BugTracker-2009/Tests/multi-column_join_with_expression.SF-2783279.sql
sql/test/BugTracker-2013/Tests/select-view-view.Bug-3245.sql
sql/test/BugTracker-2013/Tests/select-view-view.Bug-3245.stable.err
sql/test/BugTracker-2013/Tests/select-view-view.Bug-3245.stable.out
sql/test/bugs/Tests/emili.sql
sql/test/bugs/Tests/emili.stable.err
sql/test/bugs/Tests/emili.stable.out
sql/test/bugs/Tests/polymorphism.sql
sql/test/bugs/Tests/polymorphism.stable.err
sql/test/bugs/Tests/polymorphism.stable.out
Removed Files:
monetdb5/optimizer/opt_history.c
monetdb5/optimizer/opt_history.h
sql/scripts/15_history.sql
sql/test/BugTracker-2009/Tests/multi-column_join_with_expression.SF-2783279.csv
sql/test/BugTracker-2009/Tests/multi-column_join_with_expression.SF-2783279.sql.in
Modified Files:
NT/installer32/MonetDB5-SQL-Installer.vdproj
NT/installer64/MonetDB5-SQL-Installer.vdproj
clients/Tests/exports.stable.out
clients/python2/monetdb/control.py
clients/python2/monetdb/sql/converters.py
clients/python2/monetdb/sql/cursors.py
clients/python2/monetdb/sql/monetize.py
clients/python2/test/capabilities.py
clients/python2/test/control.py
clients/python2/test/dbapi20.py
clients/python2/test/test_control.py
clients/python3/monetdb/control.py
clients/python3/monetdb/sql/converters.py
clients/python3/monetdb/sql/cursors.py
clients/python3/monetdb/sql/monetize.py
clients/python3/test/capabilities.py
clients/python3/test/run.sh
clients/python3/test/runtests.py
clients/python3/test/test_control.py
gdk/gdk_batop.c
gdk/gdk_join.c
gdk/gdk_logger.c
gdk/gdk_relop.mx
monetdb5/ChangeLog.Feb2013
monetdb5/extras/mal_optimizer_template/Tests/opt_sql_append.stable.out
monetdb5/mal/mal_authorize.c
monetdb5/mal/mal_debugger.c
monetdb5/mal/mal_interpreter.c
monetdb5/mal/mal_profiler.c
monetdb5/mal/mal_profiler.h
monetdb5/mal/mal_runtime.c
monetdb5/mal/mal_runtime.h
monetdb5/mal/mal_stack.h
monetdb5/modules/mal/Makefile.ag
monetdb5/modules/mal/Tests/All
monetdb5/modules/mal/Tests/clients01.mal
monetdb5/modules/mal/clients.c
monetdb5/modules/mal/clients.h
monetdb5/modules/mal/clients.mal
monetdb5/modules/mal/mal_init.mal
monetdb5/modules/mal/mal_mapi.c
monetdb5/modules/mal/profiler.c
monetdb5/modules/mal/profiler.h
monetdb5/modules/mal/profiler.mal
monetdb5/optimizer/Makefile.ag
monetdb5/optimizer/Tests/dataflow3.mal
monetdb5/optimizer/opt_pipes.c
monetdb5/optimizer/opt_prelude.c
monetdb5/optimizer/opt_prelude.h
monetdb5/optimizer/opt_support.c
monetdb5/optimizer/opt_wrapper.c
monetdb5/optimizer/optimizer.mal
monetdb5/tools/Tests/mserver5--help.stable.err
sql/backends/monet5/UDF/Tests/udf-fuse.stable.out
sql/backends/monet5/UDF/Tests/udf-reverse.stable.out
sql/backends/monet5/rel_bin.c
sql/backends/monet5/sql.mx
sql/backends/monet5/sql_gencode.c
sql/backends/monet5/sql_optimizer.c
sql/common/sql_types.c
sql/include/sql_catalog.h
sql/jdbc/tests/Tests/Test_Dobjects.stable.out
sql/jdbc/tests/Tests/Test_JdbcClient.stable.out
sql/scripts/Makefile.ag
sql/server/rel_optimizer.c
sql/server/rel_select.c
sql/server/sql_env.c
sql/server/sql_env.h
sql/server/sql_mvc.c
sql/storage/bat/bat_storage.c
sql/storage/store.c
sql/test/BugConstraints/Tests/add_constraint_1643522.stable.err
sql/test/BugConstraints/Tests/add_constraint_1643522.stable.out
sql/test/BugConstraints/Tests/delete_primarykey_1643845.stable.err
sql/test/BugConstraints/Tests/drop_column_1643542.stable.err
sql/test/BugConstraints/Tests/update_primarykey_1643375.stable.err
sql/test/BugDay_2005-10-06_2.8/Tests/MapiClient-dump.SF-905851.stable.out
sql/test/BugTracker-2008/Tests/sql_command_kills_db.SF-2233677.stable.err
sql/test/BugTracker-2009/Tests/All
sql/test/BugTracker-2009/Tests/POWER_vs_prod.SF-2596114.stable.out
sql/test/BugTracker-2009/Tests/mclient-lsql-D.stable.out
sql/test/BugTracker-2009/Tests/name_clash_with_dump.SF-2780395.stable.out
sql/test/BugTracker-2009/Tests/reorder.SF-2770608.sql
sql/test/BugTracker-2009/Tests/table-leftovers.SF-2779462.sql
sql/test/BugTracker-2009/Tests/use_order_column_first.SF-2686008.stable.out
sql/test/BugTracker-2011/Tests/copy-into-file-error.Bug-2722.stable.out
sql/test/BugTracker-2011/Tests/count-count-distinct.Bug-2808.stable.out
sql/test/BugTracker-2011/Tests/exists-select.Bug-2933.stable.out
sql/test/BugTracker-2011/Tests/func_iter_vs_bulk.Bug-2826.stable.out
sql/test/BugTracker-2011/Tests/interrupted-initialization.Bug-2875.stable.out
sql/test/BugTracker-2012/Tests/aggregate_vs_positional_column_crash.Bug-3085.stable.out
sql/test/BugTracker-2012/Tests/predicate_select.Bug-3090.stable.err
sql/test/BugTracker-2012/Tests/predicate_select.Bug-3090.stable.out
sql/test/BugTracker-2012/Tests/rewrite_like_into_likesubselect.Bug-3179.stable.out
sql/test/BugTracker-2012/Tests/table_functions_fail_after_restart-0.Bug-3063.stable.out
sql/test/BugTracker-2012/Tests/table_functions_fail_after_restart-1.Bug-3063.stable.out
sql/test/BugTracker-2013/Tests/All
sql/test/BugTracker/Tests/explain.SF-1739353.stable.out
sql/test/BugTracker/Tests/jdbc_no_debug.SF-1739356.stable.out
sql/test/BugTracker/Tests/jdbc_no_debug.SF-1739356.stable.out.32bit
sql/test/BugTracker/Tests/multi-column-constraint.SF-1964587.stable.out
sql/test/BugTracker/Tests/rank_over.SF-1691098.stable.out
sql/test/BugTracker/Tests/with_only_once.SF-1720293.stable.out
sql/test/Dependencies/Tests/Dependencies.stable.err
sql/test/Dependencies/Tests/Dependencies.stable.out
sql/test/Dependencies/Tests/dependency_loop.stable.out
sql/test/DropCascade/Tests/drop_columns_cascade.stable.out
sql/test/DropCascade/Tests/drop_pkey_cascade.stable.out
sql/test/Dump/Tests/dump-empty.stable.out
sql/test/Dump/Tests/dump.stable.out
sql/test/Dump/Tests/dump.stable.out.Windows
sql/test/Tests/keys.stable.out
sql/test/Tests/setoptimizer.stable.err
sql/test/Tests/setoptimizer.stable.out
sql/test/Tests/systemfunctions.stable.out
sql/test/UserDump/Tests/create.stable.out
sql/test/bugs/Tests/All
sql/test/bugs/Tests/crash_order_by.stable.out
sql/test/bugs/Tests/groupby_having_charlength-bug-sf-943566.stable.out
sql/test/bugs/Tests/insert_delete-bug-sf-904025.stable.out
sql/test/bugs/Tests/simple_view.stable.out
sql/test/bugs/Tests/subselect_multiple_unionall_where_1=1-bug-sf-1005596.stable.out
sql/test/concurrent/Tests/crash_on_concurrent_use.SF-1411926.stable.out
sql/test/leaks/Tests/check1.stable.out
sql/test/leaks/Tests/check2.stable.out
sql/test/leaks/Tests/check3.stable.out
sql/test/leaks/Tests/check4.stable.out
sql/test/leaks/Tests/check5.stable.out
sql/test/mapi/Tests/php_monetdb.stable.out
sql/test/mapi/Tests/python2_test_monetdb_sql.stable.err
sql/test/mapi/Tests/python3_test_monetdb_sql.stable.err
sql/test/setoptimizer.sql
sql/test/testdb/Tests/testdb-dump.stable.out
sql/test/testdb/Tests/testdb-dump.stable.out.Windows
tools/mserver/mserver5.1
tools/mserver/mserver5.c
Branch: sciql
Log Message:
merged from default
diffs (truncated from 7394 to 300 lines):
diff --git a/NT/installer32/MonetDB5-SQL-Installer.vdproj
b/NT/installer32/MonetDB5-SQL-Installer.vdproj
--- a/NT/installer32/MonetDB5-SQL-Installer.vdproj
+++ b/NT/installer32/MonetDB5-SQL-Installer.vdproj
@@ -3629,8 +3629,8 @@
}
"{1FB2D0AE-D3B9-43D4-B9DD-F88EC61E35DE}:_E13B077DCC48449BBB7679B67C003143"
{
- "SourcePath" = "8:lib\\monetdb5\\createdb\\15_history.sql"
- "TargetName" = "8:15_history.sql"
+ "SourcePath" = "8:lib\\monetdb5\\createdb\\15_querylog.sql"
+ "TargetName" = "8:15_querylog.sql"
"Tag" = "8:"
"Folder" = "8:_7F962DDBDF894636B6CAFE6FE4887567"
"Condition" = "8:"
diff --git a/NT/installer64/MonetDB5-SQL-Installer.vdproj
b/NT/installer64/MonetDB5-SQL-Installer.vdproj
--- a/NT/installer64/MonetDB5-SQL-Installer.vdproj
+++ b/NT/installer64/MonetDB5-SQL-Installer.vdproj
@@ -2069,8 +2069,8 @@
}
"{1FB2D0AE-D3B9-43D4-B9DD-F88EC61E35DE}:_5F72DF110CF843B188EFA0A1BEB1872C"
{
- "SourcePath" = "8:lib\\monetdb5\\createdb\\15_history.sql"
- "TargetName" = "8:15_history.sql"
+ "SourcePath" = "8:lib\\monetdb5\\createdb\\15_querylog.sql"
+ "TargetName" = "8:15_querylog.sql"
"Tag" = "8:"
"Folder" = "8:_7F962DDBDF894636B6CAFE6FE4887567"
"Condition" = "8:"
diff --git a/clients/Tests/exports.stable.out b/clients/Tests/exports.stable.out
--- a/clients/Tests/exports.stable.out
+++ b/clients/Tests/exports.stable.out
@@ -1133,7 +1133,7 @@ str CLS_split(Client cntxt, MalBlkPtr mb
str CLTActions(int *ret);
str CLTInfo(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci);
str CLTLastCommand(int *ret);
-str CLTLogin(int *ret);
+str CLTLogin(int *ret, int *nme);
str CLTTime(int *ret);
str CLTaddUser(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci);
str CLTbackendsum(str *ret, str *pw);
@@ -1286,6 +1286,8 @@ str CMDconvertsignal_oid(Client cntxt, M
str CMDconvertsignal_sht(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
str CMDconvertsignal_str(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
str CMDconvertsignal_wrd(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
+str CMDcpuloadPercentage(int *cycles, int *io, lng *user, lng *nice, lng *sys,
lng *idle, lng *iowait);
+str CMDcpustats(lng *user, lng *nice, lng *sys, lng *idle, lng *iowait);
str CMDdeactivateProfiler(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
str CMDdebug(int *ret, int *flg);
str CMDdumpTrace(int *res);
@@ -1798,10 +1800,8 @@ int OPTdumpQEPImplementation(Client cntx
int OPTemptySetImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr p);
int OPTevaluateImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
int OPTfactorizeImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
-str OPTforgetPrevious(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci);
int OPTgarbageCollectorImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr
stk, InstrPtr pci);
int OPTgroupsImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr p);
-int OPThistoryImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
int OPTinlineImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr p);
int OPTisAlias(InstrPtr p);
int OPTjoinPathImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr p);
@@ -1823,6 +1823,7 @@ str OPTpeers(Client cntxt, MalBlkPtr mb,
int OPTprejoinImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
int OPTpushrangesImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
int OPTpushselectImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
+int OPTquerylogImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr pci);
int OPTrecyclerImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr p);
int OPTreduceImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk,
InstrPtr p);
int OPTremapImplementation(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
@@ -2015,6 +2016,16 @@ sht PropertyIndex(str name);
str PropertyName(sht idx);
prop_op_t PropertyOperator(str s);
str PropertyOperatorString(prop_op_t op);
+str QLOGcall(int *ret, oid *idx, lng *tick1, lng *tick2, str *arg, wrd
*tuples, lng *xtime, lng *rtime, int *cpu, int *iowait, lng *space);
+void QLOGcalls(BAT **r);
+void QLOGcatalog(BAT **r);
+str QLOGdefine(oid *ret, oid *idx, str *q, str *pipe, lng *optimize, str *usr,
lng *tick);
+str QLOGdone(int *ret);
+str QLOGinit(int *ret);
+str QLOGinitThreshold(int *ret, int *threshold);
+int QLOGisset(void);
+str QLOGissetFcn(int *ret);
+str QLOGreset(int *ret);
str QOTclrdebugOptimizers(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
str QOTdebugOptimizers(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci);
str QOTgetStatistics(int *ret, str *nme);
@@ -2508,6 +2519,7 @@ str differenceRef;
int discardBox(Box box, str name);
str disconnectRef;
int displayModule(stream *f, Module v, str fcn, int listing);
+void displayVolume(Client cntxt, lng vol);
str divRef;
void dumpExceptionsToStream(stream *out, str msg);
void dumpHelpTable(stream *f, Module s, str text, int flag);
@@ -2605,6 +2617,7 @@ str getTypeName(malType tpe);
lng getUserTime(void);
str getVarName(MalBlkPtr mb, int i);
wrd getVarRows(MalBlkPtr mb, int v);
+lng getVolume(MalStkPtr stk, InstrPtr pci, int rd);
MalBlkPtr gotoMalBlkMarker(MalBlkPtr mb, str marker);
str grabRef;
str groupRef;
@@ -2633,6 +2646,7 @@ void initLibraries(void);
void initNamespace(void);
void initParser(void);
void initProfiler(MalBlkPtr mb);
+int initQlog(void);
int inlineMALblock(MalBlkPtr mb, int pc, MalBlkPtr mc);
int inlineProp;
str inplaceRef;
@@ -2753,6 +2767,7 @@ MT_Sema mal_parallelism;
MT_Lock mal_profileLock;
str mal_quote(const char *msg, size_t size);
MT_Lock mal_remoteLock;
+char *mal_trace;
void mal_unquote(char *msg);
str mapiRef;
str markHRef;
@@ -2920,6 +2935,7 @@ void printTraceCall(stream *out, MalBlkP
str prodRef;
int profilerAvailable(void);
void profilerEvent(int idx, MalBlkPtr mb, MalStkPtr stk, int pc, int start);
+void profilerGetCPUStat(lng *user, lng *nice, lng *sys, lng *idle, lng
*iowait);
void profilerHeartbeatEvent(str msg);
str profilerRef;
str projectRef;
@@ -2949,6 +2965,7 @@ InstrPtr pushZero(MalBlkPtr mb, InstrPtr
str putName(str nme, size_t len);
str putRef;
str queryRef;
+str querylogRef;
str rankRef;
str rank_grpRef;
int rcachePolicy;
@@ -3004,6 +3021,9 @@ str runMALdataflow(Client cntxt, MalBlkP
str runMALsequence(Client cntxt, MalBlkPtr mb, int startpc, int stoppc,
MalStkPtr stk, MalStkPtr env, InstrPtr pcicaller);
str runScenario(Client c);
int runonceProp;
+void runtimeProfileBegin(Client cntxt, MalBlkPtr mb, MalStkPtr stk, int stkpc,
RuntimeProfile prof, int start);
+void runtimeProfileExit(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr
pci, RuntimeProfile prof);
+void runtimeProfileInit(MalBlkPtr mb, RuntimeProfile prof, int initmemory);
str safeguardStack(Client cntxt, MalBlkPtr mb, MalStkPtr stk, InstrPtr pci);
int safetyBarrier(InstrPtr p, InstrPtr q);
int saveBox(Box box, int flag);
@@ -3018,6 +3038,7 @@ void setArgType(MalBlkPtr mb, InstrPtr p
InstrPtr setArgument(MalBlkPtr mb, InstrPtr p, int idx, int varid);
str setEndPoint(Module cntxt, str mod, str fcn);
void setFilter(Module cntxt, str mod, str fcn);
+void setFilterAll(void);
void setFilterOnBlock(MalBlkPtr mb, str mod, str fcn);
void setFilterVariable(MalBlkPtr mb, int i);
Module setInheritance(Module head, Module first, Module second);
@@ -3159,6 +3180,7 @@ str unpackRef;
str unpinRef;
int unsafeProp;
void updateBigFoot(Client cntxt, int bid, int add);
+void updateFootPrint(MalBlkPtr mb, MalStkPtr stk, int varid);
str updateRef;
void updateScenario(str scen, str nme, MALfcn fcn);
int updatesProp;
diff --git a/clients/python2/monetdb/control.py
b/clients/python2/monetdb/control.py
--- a/clients/python2/monetdb/control.py
+++ b/clients/python2/monetdb/control.py
@@ -1,39 +1,83 @@
from monetdb import mapi
+from monetdb.exceptions import OperationalError, InterfaceError
+
def parse_statusline(line):
- split = line.split(',')
+ """
+ parses a sabdb format status line. Support v1 and v2.
+
+ """
+ if not line.startswith('=sabdb:'):
+ raise OperationalError('wrong result recieved')
+
+ prot_version, rest = line.split(":", 2)[1:]
+
+ if prot_version not in ["1", "2"]:
+ raise InterfaceError("unsupported sabdb protocol")
+ else:
+ prot_version = int(prot_version)
+
+ subparts = rest.split(',')
+ sub_iter = iter(subparts)
info = {}
- info['path'] = split[0]
- info['name'] = info['path'].split("/")[-1]
- info['locked'] = split[1] == ("1")
- info['state'] = int(split[2])
- info['scenarios'] = split[3].split("'")
- info['connections'] = split[4].split("'")
- info['start_counter'] = int(split[5])
- info['stop_counter'] = int(split[6])
- info['crash_counter'] = int(split[7])
- info['avg_uptime'] = int(split[8])
- info['max_uptime'] = int(split[9])
- info['min_uptime'] = int(split[10])
- info['last_crash'] = int(split[11])
- info['lastStart'] = int(split[12])
- info['crash_avg1'] = split[13] == ("1")
- info['crash_avg10'] = float(split[14])
- info['crash_avg30'] = float(split[15])
+
+ info['name'] = sub_iter.next()
+ info['path'] = sub_iter.next()
+ info['locked'] = sub_iter.next() == "1"
+ info['state'] = int(sub_iter.next())
+ info['scenarios'] = sub_iter.next().split("'")
+ if prot_version == 1:
+ sub_iter.next()
+ info['start_counter'] = int(sub_iter.next())
+ info['stop_counter'] = int(sub_iter.next())
+ info['crash_counter'] = int(sub_iter.next())
+ info['avg_uptime'] = int(sub_iter.next())
+ info['max_uptime'] = int(sub_iter.next())
+ info['min_uptime'] = int(sub_iter.next())
+ info['last_crash'] = int(sub_iter.next())
+ info['last_start'] = int(sub_iter.next())
+ if prot_version > 1:
+ info['last_stop'] = int(sub_iter.next())
+ info['crash_avg1'] = sub_iter.next() == "1"
+ info['crash_avg10'] = float(sub_iter.next())
+ info['crash_avg30'] = float(sub_iter.next())
+
return info
+
+def isempty(result):
+ """ raises an exception if the result is not empty"""
+ if result != "":
+ raise OperationalError(result)
+ else:
+ return True
+
+
class Control:
"""
- Use this module to manage your MonetDB databases. You can create, start,
stop,
- lock, unlock, destroy your databases and request status information.
+ Use this module to manage your MonetDB databases. You can create, start,
+ stop, lock, unlock, destroy your databases and request status information.
"""
def __init__(self, hostname, port, passphrase):
self.server = mapi.Connection()
- self.server.connect(hostname, port, 'monetdb', passphrase,
'merovingian', 'control')
+ self.hostname = hostname
+ self.port = port
+ self.passphrase = passphrase
+
+ # check connection
+ self.server.connect(hostname, port, 'monetdb', passphrase,
+ 'merovingian', 'control')
+ self.server.disconnect()
def _send_command(self, database_name, command):
- return self.server.cmd("%s %s\n" % (database_name, command))
+ self.server.connect(self.hostname, self.port, 'monetdb',
+ self.passphrase, 'merovingian', 'control')
+ try:
+ return self.server.cmd("%s %s\n" % (database_name, command))
+ finally:
+ # always close connection
+ self.server.disconnect()
def create(self, database_name):
"""
@@ -41,7 +85,7 @@ class Control:
A database created with this command makes it available for use,
however in maintenance mode (see monetdb lock).
"""
- return self._send_command(database_name, "create")
+ return isempty(self._send_command(database_name, "create"))
def destroy(self, database_name):
"""
@@ -49,7 +93,7 @@ class Control:
logfiles. Once destroy has completed, all data is lost.
Be careful when using this command.
"""
- return self._send_command(database_name, "destroy")
+ return isempty(self._send_command(database_name, "destroy"))
def lock(self, database_name):
"""
@@ -59,7 +103,7 @@ class Control:
automatically. Use the "release" command to bring
the database back for normal usage.
"""
- return self._send_command(database_name, "lock")
+ return isempty(self._send_command(database_name, "lock"))
def release(self, database_name):
"""
@@ -67,7 +111,7 @@ class Control:
database is available again for normal use. Use the
"lock" command to take a database under maintenance.
"""
- return self._send_command(database_name, "release")
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