Changeset: c9cd76227bde for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=c9cd76227bde
Added Files:
        sql/backends/monet5/Tests/pyapi18.sql
        sql/backends/monet5/Tests/pyapi18.stable.err
        sql/backends/monet5/Tests/pyapi18.stable.out
        sql/backends/monet5/Tests/pyapi19.sql
        sql/backends/monet5/Tests/pyapi19.stable.err
        sql/backends/monet5/Tests/pyapi19.stable.out
Modified Files:
        monetdb5/extras/pyapi/pyapi.c
Branch: pyapi
Log Message:

Throw error when user tries to store input argument in _values dictionary.


diffs (truncated from 346 to 300 lines):

diff --git a/monetdb5/extras/pyapi/pyapi.c b/monetdb5/extras/pyapi/pyapi.c
--- a/monetdb5/extras/pyapi/pyapi.c
+++ b/monetdb5/extras/pyapi/pyapi.c
@@ -868,6 +868,21 @@ str PyAPIeval(Client cntxt, MalBlkPtr mb
         // The function has been successfully created/compiled, all that 
remains is to actually call the function
         pResult = PyObject_CallObject(pFunc, pArgs);
 
+        {
+            //check the _values dictionary to see if any of the stored values 
are input values
+            PyObject *key, *value;
+            Py_ssize_t pos = 0;
+            while (PyDict_Next(pDict, &pos, &key, &value)) {
+                for(i = 0; i < pci->argc - (pci->retc + 2); i ++) {
+                    PyObject *arg = PyTuple_GetItem(pArgs, i);
+                    if (arg == value) {
+                        msg = createException(MAL, "pyapi.eval", "You cannot 
directly store input arguments in the _values dictionary, instead use 
_values[key] = numpy.copy(input).");
+                        goto wrapup;
+                    }
+                }
+            }
+        }
+
         Py_DECREF(pFunc);
         Py_DECREF(pArgs);
         Py_DECREF(pColumns);
diff --git a/sql/backends/monet5/Tests/pyapi18.sql 
b/sql/backends/monet5/Tests/pyapi18.sql
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/pyapi18.sql
@@ -0,0 +1,22 @@
+START TRANSACTION;
+
+CREATE TABLE vals(i INTEGER);
+INSERT INTO vals VALUES (1), (2), (3), (4), (5), (6), (7);
+
+CREATE FUNCTION pyapi18a(i integer) returns integer
+language P
+{
+       _values['number'] = 42
+       return(i)
+};
+
+CREATE FUNCTION pyapi18b(i integer) returns integer
+language P
+{
+       return _values['number'] * i
+};
+SELECT pyapi18b(pyapi18a(i)) FROM vals;
+DROP FUNCTION pyapi18a; DROP FUNCTION pyapi18b;
+DROP TABLE vals;
+
+ROLLBACK;
diff --git a/sql/backends/monet5/Tests/pyapi18.stable.err 
b/sql/backends/monet5/Tests/pyapi18.stable.err
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/pyapi18.stable.err
@@ -0,0 +1,38 @@
+stderr of test 'pyapi18` in directory 'sql/backends/monet5` itself:
+
+
+# 11:47:23 >  
+# 11:47:23 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=38937" "--set" 
"mapi_usock=/var/tmp/mtest-3052/.s.monetdb.38937" "--set" "monet_prompt=" 
"--forcemito" "--set" "mal_listing=2" 
"--dbpath=/home/mytherin/opt/var/MonetDB/mTests_sql_backends_monet5" "--set" 
"mal_listing=0" "--set" "embedded_r=true" "--set" "embedded_py=true"
+# 11:47:23 >  
+
+# builtin opt  gdk_dbpath = /home/mytherin/opt/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 = 38937
+# cmdline opt  mapi_usock = /var/tmp/mtest-3052/.s.monetdb.38937
+# cmdline opt  monet_prompt = 
+# cmdline opt  mal_listing = 2
+# cmdline opt  gdk_dbpath = 
/home/mytherin/opt/var/MonetDB/mTests_sql_backends_monet5
+# cmdline opt  mal_listing = 0
+# cmdline opt  embedded_r = true
+# cmdline opt  embedded_py = true
+# cmdline opt  gdk_debug = 536870922
+
+# 11:47:23 >  
+# 11:47:23 >  "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-3052" "--port=38937"
+# 11:47:23 >  
+
+
+# 11:47:59 >  
+# 11:47:59 >  "Done."
+# 11:47:59 >  
+
diff --git a/sql/backends/monet5/Tests/pyapi18.stable.out 
b/sql/backends/monet5/Tests/pyapi18.stable.out
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/pyapi18.stable.out
@@ -0,0 +1,63 @@
+stdout of test 'pyapi18` in directory 'sql/backends/monet5` itself:
+
+
+# 11:47:23 >  
+# 11:47:23 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=38937" "--set" 
"mapi_usock=/var/tmp/mtest-3052/.s.monetdb.38937" "--set" "monet_prompt=" 
"--forcemito" "--set" "mal_listing=2" 
"--dbpath=/home/mytherin/opt/var/MonetDB/mTests_sql_backends_monet5" "--set" 
"mal_listing=0" "--set" "embedded_r=true" "--set" "embedded_py=true"
+# 11:47:23 >  
+
+# MonetDB 5 server v11.22.0
+# This is an unreleased version
+# Serving database 'mTests_sql_backends_monet5', using 8 threads
+# Compiled for x86_64-unknown-linux-gnu/64bit with 64bit OIDs and 128bit 
integers dynamically linked
+# Found 7.684 GiB available main-memory.
+# Copyright (c) 1993-July 2008 CWI.
+# Copyright (c) August 2008-2015 MonetDB B.V., all rights reserved
+# Visit http://www.monetdb.org/ for further information
+# Listening for connection requests on mapi:monetdb://mytherin-N750JV:38937/
+# Listening for UNIX domain connection requests on 
mapi:monetdb:///var/tmp/mtest-3052/.s.monetdb.38937
+# Start processing logs sql/sql_logs version 52200
+# Finished processing logs sql/sql_logs
+# MonetDB/SQL module loaded
+# MonetDB/Python module loaded
+# MonetDB/R   module loaded
+
+Ready.
+
+# 11:47:23 >  
+# 11:47:23 >  "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-3052" "--port=38937"
+# 11:47:23 >  
+
+#START TRANSACTION;
+#CREATE TABLE vals(i INTEGER);
+#INSERT INTO vals VALUES (1), (2), (3), (4), (5), (6), (7);
+[ 7    ]
+#CREATE FUNCTION pyapi18_a(i integer) returns integer
+#language P
+#{
+#      _values['number'] = 42
+#      return(i)
+#};
+#CREATE FUNCTION pyapi18_b(i integer) returns integer
+#language P
+#{
+#      return _values['number'] * i
+#};
+#SELECT pyapi18_b(pyapi18_a(i)) FROM vals;
+% sys.L # table_name
+% pyapi18b_pyapi18a_i # name
+% int # type
+% 3 # length
+[ 42   ]
+[ 84   ]
+[ 126  ]
+[ 168  ]
+[ 210  ]
+[ 252  ]
+[ 294  ]
+#DROP FUNCTION pyapi18_a; DROP FUNCTION pyapi18_b;
+#DROP FUNCTION pyapi18_a; DROP FUNCTION pyapi18_b;
+
+# 11:47:23 >  
+# 11:47:23 >  "Done."
+# 11:47:23 >  
+
diff --git a/sql/backends/monet5/Tests/pyapi19.sql 
b/sql/backends/monet5/Tests/pyapi19.sql
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/pyapi19.sql
@@ -0,0 +1,39 @@
+START TRANSACTION;
+
+CREATE TABLE vals(i INTEGER);
+INSERT INTO vals VALUES (1), (2), (3), (4), (5), (6), (7);
+
+# Directly store input in the dictionary doesn't work (because we do zero copy)
+CREATE FUNCTION pyapi19a(i integer) returns integer
+language P
+{
+       _values['array'] = i;
+       return(i * 2)
+};
+SELECT pyapi19a(i * 2) FROM vals; #so this throws an error
+ROLLBACK;
+
+START TRANSACTION;
+CREATE TABLE vals(i INTEGER);
+INSERT INTO vals VALUES (1), (2), (3), (4), (5), (6), (7);
+
+# Correct way of doing it
+CREATE FUNCTION pyapi19a(i integer) returns integer
+language P
+{
+       _values['array'] = numpy.copy(i);
+       return(i * 2)
+};
+CREATE FUNCTION pyapi19b(i integer) returns integer
+language P
+{
+       return _values['array'] * 2
+};
+
+SELECT pyapi19a(i) FROM vals; #so this throws an error
+SELECT pyapi19b(i) FROM vals;
+
+DROP FUNCTION pyapi19a; DROP FUNCTION pyapi19b;
+DROP TABLE vals;
+
+ROLLBACK;
diff --git a/sql/backends/monet5/Tests/pyapi19.stable.err 
b/sql/backends/monet5/Tests/pyapi19.stable.err
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/pyapi19.stable.err
@@ -0,0 +1,41 @@
+stderr of test 'pyapi19` in directory 'sql/backends/monet5` itself:
+
+
+# 12:13:29 >  
+# 12:13:29 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=30774" "--set" 
"mapi_usock=/var/tmp/mtest-6324/.s.monetdb.30774" "--set" "monet_prompt=" 
"--forcemito" "--set" "mal_listing=2" 
"--dbpath=/home/mytherin/opt/var/MonetDB/mTests_sql_backends_monet5" "--set" 
"mal_listing=0" "--set" "embedded_r=true" "--set" "embedded_py=true"
+# 12:13:29 >  
+
+# builtin opt  gdk_dbpath = /home/mytherin/opt/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 = 30774
+# cmdline opt  mapi_usock = /var/tmp/mtest-6324/.s.monetdb.30774
+# cmdline opt  monet_prompt = 
+# cmdline opt  mal_listing = 2
+# cmdline opt  gdk_dbpath = 
/home/mytherin/opt/var/MonetDB/mTests_sql_backends_monet5
+# cmdline opt  mal_listing = 0
+# cmdline opt  embedded_r = true
+# cmdline opt  embedded_py = true
+# cmdline opt  gdk_debug = 536870922
+
+# 12:13:29 >  
+# 12:13:29 >  "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-6324" "--port=30774"
+# 12:13:29 >  
+
+MAPI  = (monetdb) /var/tmp/mtest-6324/.s.monetdb.30774
+QUERY = SELECT pyapi19a(i * 2) FROM vals; #so this throws an error
+ERROR = !You cannot directly store input arguments in the _values dictionary, 
instead use _values[key] = numpy.copy(input).
+
+# 12:13:29 >  
+# 12:13:29 >  "Done."
+# 12:13:29 >  
+
diff --git a/sql/backends/monet5/Tests/pyapi19.stable.out 
b/sql/backends/monet5/Tests/pyapi19.stable.out
new file mode 100644
--- /dev/null
+++ b/sql/backends/monet5/Tests/pyapi19.stable.out
@@ -0,0 +1,88 @@
+stdout of test 'pyapi19` in directory 'sql/backends/monet5` itself:
+
+
+# 12:13:29 >  
+# 12:13:29 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=30774" "--set" 
"mapi_usock=/var/tmp/mtest-6324/.s.monetdb.30774" "--set" "monet_prompt=" 
"--forcemito" "--set" "mal_listing=2" 
"--dbpath=/home/mytherin/opt/var/MonetDB/mTests_sql_backends_monet5" "--set" 
"mal_listing=0" "--set" "embedded_r=true" "--set" "embedded_py=true"
+# 12:13:29 >  
+
+# MonetDB 5 server v11.22.0
+# This is an unreleased version
+# Serving database 'mTests_sql_backends_monet5', using 8 threads
+# Compiled for x86_64-unknown-linux-gnu/64bit with 64bit OIDs and 128bit 
integers dynamically linked
+# Found 7.684 GiB available main-memory.
+# Copyright (c) 1993-July 2008 CWI.
+# Copyright (c) August 2008-2015 MonetDB B.V., all rights reserved
+# Visit http://www.monetdb.org/ for further information
+# Listening for connection requests on mapi:monetdb://mytherin-N750JV:30774/
+# Listening for UNIX domain connection requests on 
mapi:monetdb:///var/tmp/mtest-6324/.s.monetdb.30774
+# Start processing logs sql/sql_logs version 52200
+# Finished processing logs sql/sql_logs
+# MonetDB/SQL module loaded
+# MonetDB/Python module loaded
+# MonetDB/R   module loaded
+
+Ready.
+
+# 12:13:29 >  
+# 12:13:29 >  "mclient" "-lsql" "-ftest" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-6324" "--port=30774"
+# 12:13:29 >  
+
+#START TRANSACTION;
+#CREATE TABLE vals(i INTEGER);
+#INSERT INTO vals VALUES (1), (2), (3), (4), (5), (6), (7);
+[ 7    ]
+#CREATE FUNCTION pyapi19a(i integer) returns integer
+#language P
+#{
+#      _values['array'] = i;
+#      return(i * 2)
+#};
+#ROLLBACK;
+#START TRANSACTION;
+#CREATE TABLE vals(i INTEGER);
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