Changeset: 6f22c3a68031 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=6f22c3a68031
Added Files:
        
sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.err
        
sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.out
Modified Files:
        sql/server/sql_parser.y
        sql/test/ADT2006/Tests/sander.stable.err
        
sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.sql
Branch: Aug2018
Log Message:

Fixes for bug 6653 (i.e. disallow any empty identifier).


diffs (248 lines):

diff --git a/sql/server/sql_parser.y b/sql/server/sql_parser.y
--- a/sql/server/sql_parser.y
+++ b/sql/server/sql_parser.y
@@ -310,9 +310,11 @@ int yydebug=1;
        opt_constraint_name
        non_reserved_word
        ident
+       calc_ident
        authorization_identifier
        func_ident
        restricted_ident
+       calc_restricted_ident
        column
        authid
        grantee
@@ -5346,7 +5348,7 @@ column:                   ident ;
 
 authid:                restricted_ident ;
 
-restricted_ident:
+calc_restricted_ident:
     IDENT      { $$ = $1; }
  |  aTYPE      { $$ = $1; }
  |  ALIAS      { $$ = $1; }
@@ -5355,7 +5357,20 @@ restricted_ident:
  |  RANK       { $$ = $1; }    /* without '(' */
  ;
 
-ident:
+restricted_ident:
+       calc_restricted_ident
+       {
+               $$ = $1;
+               if (!$1 || _strlen($1) == 0) {
+                       char *msg = sql_message(SQLSTATE(42000) "An identifier 
cannot be empty");
+                       yyerror(m, msg);
+                       _DELETE(msg);
+                       YYABORT;
+               }
+       }
+ ;
+
+calc_ident:
     IDENT      { $$ = $1; }
  |  aTYPE      { $$ = $1; }
  |  FILTER_FUNC        { $$ = $1; }
@@ -5366,6 +5381,19 @@ ident:
  |  non_reserved_word
  ;
 
+ident:
+       calc_ident
+       {
+               $$ = $1;
+               if (!$1 || _strlen($1) == 0) {
+                       char *msg = sql_message(SQLSTATE(42000) "An identifier 
cannot be empty");
+                       yyerror(m, msg);
+                       _DELETE(msg);
+                       YYABORT;
+               }
+       }
+ ;
+
 non_reserved_word: 
   LARGE                { $$ = sa_strdup(SA, "large"); }        /* sloppy: 
officially reserved */
 | sqlNAME      { $$ = sa_strdup(SA, "name"); }
diff --git a/sql/test/ADT2006/Tests/sander.stable.err 
b/sql/test/ADT2006/Tests/sander.stable.err
--- a/sql/test/ADT2006/Tests/sander.stable.err
+++ b/sql/test/ADT2006/Tests/sander.stable.err
@@ -15,7 +15,8 @@ QUERY = insert into suspect (name, pictu
         victim_name) values ("Dr. Thomas Neill Cream ",
         "http://blabla/toolong";, "did commit murders, but by
         poisoning", "");
-ERROR = !SELECT: identifier 'Dr. Thomas Neill Cream ' unknown
+ERROR = !An identifier cannot be empty in: "insert into suspect (name, 
picture_uri, notes,
+        !victim_name) values ("Dr. Thomas "
 CODE  = 42000
 MAPI  = (monetdb) /var/tmp/mtest-30274/.s.monetdb.37685
 QUERY = insert into suspect (name, picture_uri, notes,
diff --git 
a/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.sql 
b/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.sql
--- a/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.sql
+++ b/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.sql
@@ -1,3 +1,14 @@
-CREATE TABLE tbl ("" INT);
+CREATE TABLE tbl ("" INT); --error
+
+CREATE TABLE "" (i INT); --error
+
+CREATE TABLE selectme (a STRING);
 
-CREATE TABLE "" (i INT);
+INSERT INTO selectme VALUES (""); --error
+INSERT INTO selectme VALUES ('');
+
+SELECT * FROM (SELECT a FROM selectme) AS ""; --error
+SELECT a AS "" FROM (SELECT a FROM selectme) AS "other"; --error
+SELECT a AS "othera" FROM (SELECT a FROM selectme) AS "other";
+
+DROP TABLE selectme;
diff --git 
a/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.err
 
b/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.err
new file mode 100644
--- /dev/null
+++ 
b/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.err
@@ -0,0 +1,58 @@
+stderr of test 'create_table_empty_column_name.Bug-6653` in directory 
'sql/test/BugTracker-2018` itself:
+
+
+# 17:00:01 >  
+# 17:00:01 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=38434" "--set" 
"mapi_usock=/var/tmp/mtest-26840/.s.monetdb.38434" "--set" "monet_prompt=" 
"--forcemito" 
"--dbpath=/home/ferreira/repositories/MonetDB-Aug2018/BUILD/var/MonetDB/mTests_sql_test_BugTracker-2018"
 "--set" "embedded_c=true"
+# 17:00:01 >  
+
+# builtin opt  gdk_dbpath = 
/home/ferreira/repositories/MonetDB-Aug2018/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 = 38434
+# cmdline opt  mapi_usock = /var/tmp/mtest-26840/.s.monetdb.38434
+# cmdline opt  monet_prompt = 
+# cmdline opt  gdk_dbpath = 
/home/ferreira/repositories/MonetDB-Aug2018/BUILD/var/MonetDB/mTests_sql_test_BugTracker-2018
+# cmdline opt  embedded_c = true
+# cmdline opt  gdk_debug = 553648138
+
+# 17:00:01 >  
+# 17:00:01 >  "mclient" "-lsql" "-ftest" "-tnone" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-26840" "--port=38434"
+# 17:00:01 >  
+
+MAPI  = (monetdb) /var/tmp/mtest-26840/.s.monetdb.38434
+QUERY = CREATE TABLE tbl ("" INT); --error
+ERROR = !An identifier cannot be empty in: "create table tbl ("""
+        !syntax error, unexpected sqlINTEGER in: "int"
+CODE  = 42000
+MAPI  = (monetdb) /var/tmp/mtest-26840/.s.monetdb.38434
+QUERY = CREATE TABLE "" (i INT); --error
+ERROR = !An identifier cannot be empty in: "create table """
+        !syntax error, unexpected IDENT, expecting SELECT or '(' in: "(i"
+CODE  = 42000
+MAPI  = (monetdb) /var/tmp/mtest-26840/.s.monetdb.38434
+QUERY = INSERT INTO selectme VALUES (""); --error
+ERROR = !An identifier cannot be empty in: "insert into selectme values ("")"
+CODE  = 42000
+MAPI  = (monetdb) /var/tmp/mtest-26840/.s.monetdb.38434
+QUERY = SELECT * FROM (SELECT a FROM selectme) AS ""; --error
+ERROR = !An identifier cannot be empty in: "select * from (select a from 
selectme) as """
+CODE  = 42000
+MAPI  = (monetdb) /var/tmp/mtest-26840/.s.monetdb.38434
+QUERY = SELECT a AS "" FROM (SELECT a FROM selectme) AS "other"; --error
+ERROR = !An identifier cannot be empty in: "select a as """
+        !syntax error, unexpected FROM in: "from"
+CODE  = 42000
+
+# 17:00:01 >  
+# 17:00:01 >  "Done."
+# 17:00:01 >  
+
diff --git 
a/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.out
 
b/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.out
new file mode 100644
--- /dev/null
+++ 
b/sql/test/BugTracker-2018/Tests/create_table_empty_column_name.Bug-6653.stable.out
@@ -0,0 +1,81 @@
+stdout of test 'create_table_empty_column_name.Bug-6653` in directory 
'sql/test/BugTracker-2018` itself:
+
+
+# 17:00:01 >  
+# 17:00:01 >  "mserver5" "--debug=10" "--set" "gdk_nr_threads=0" "--set" 
"mapi_open=true" "--set" "mapi_port=38434" "--set" 
"mapi_usock=/var/tmp/mtest-26840/.s.monetdb.38434" "--set" "monet_prompt=" 
"--forcemito" 
"--dbpath=/home/ferreira/repositories/MonetDB-Aug2018/BUILD/var/MonetDB/mTests_sql_test_BugTracker-2018"
 "--set" "embedded_c=true"
+# 17:00:01 >  
+
+# MonetDB 5 server v11.31.10
+# This is an unreleased version
+# Serving database 'mTests_sql_test_BugTracker-2018', using 8 threads
+# Compiled for x86_64-pc-linux-gnu/64bit with 128bit integers
+# Found 15.492 GiB available main-memory.
+# Copyright (c) 1993 - July 2008 CWI.
+# Copyright (c) August 2008 - 2018 MonetDB B.V., all rights reserved
+# Visit https://www.monetdb.org/ for further information
+# Listening for connection requests on mapi:monetdb://wired-142.cwi.nl:38434/
+# Listening for UNIX domain connection requests on 
mapi:monetdb:///var/tmp/mtest-26840/.s.monetdb.38434
+# MonetDB/GIS module loaded
+# 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_views.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: 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
+# MonetDB/SQL module loaded
+
+Ready.
+
+# 17:00:01 >  
+# 17:00:01 >  "mclient" "-lsql" "-ftest" "-tnone" "-Eutf-8" "-i" "-e" 
"--host=/var/tmp/mtest-26840" "--port=38434"
+# 17:00:01 >  
+
+#CREATE TABLE selectme (a STRING);
+#INSERT INTO selectme VALUES ('');
+[ 1    ]
+#SELECT a AS "othera" FROM (SELECT a FROM selectme) AS "other";
+% sys.L3 # table_name
+% othera # name
+% clob # type
+% 0 # length
+[ ""   ]
+#DROP TABLE selectme;
+
+# 17:00:01 >  
+# 17:00:01 >  "Done."
+# 17:00:01 >  
+
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