sql: Deal with :aliases containing ?query parts in batch mode.

:aliases?query is still a problem in interactive mode.
Passes sql-part of unittest.

doc/FUTURE_IDEAS

@@ -1,3 +1,15 @@
+Annoncer foredrag til FSCONS
+
+I will be at FSCONS 2010-11-07 talking about GNU Parallel.
+http://www.fscons.org/fs/gnu-parallel
+
+== SQL ==
+
+Example with %0a as newline
+sql :pg_foo?'\dt %0a SELECT * FROM users'
+
+cat ~/.sql/aliases | parallel --colsep '\s' sql {1} '"select 0.14159+3;" | grep -q 3.14159 || (echo dead: {1}; exit 1)'
+
 == FEX ==
 
 fex syntax for splitting fields

src/parallel

@@ -1870,9 +1870,12 @@ B<prll> is also a tool for running jobs in parallel. It does not
 support running jobs on remote computers.
 
 B<prll> encourages using BASH aliases and BASH functions instead of
-scripts. GNU B<parallel> will never support running aliases and
-functions (see why http://www.perlmonks.org/index.pl?node_id=484296)
-but scripts or composed commands work just fine.
+scripts. GNU B<parallel> can use the aliases and functions that are
+defined at login (using: B<parallel bash -ci myalias>) but it will
+never support running aliases and functions that are defined defined
+later (see why
+http://www.perlmonks.org/index.pl?node_id=484296). However, scripts or
+composed commands work just fine.
 
 B<prll> generates a lot of status information on STDERR which makes it
 harder to use the STDERR output of the job directly as input for

src/sql

@@ -355,6 +355,7 @@ B<mysql>(1), B<psql>(1), B<rlwrap>(1), B<sqlite>(1), B<sqlite3>(1), B<sqlplus>(1
 
 use Getopt::Long;
 use strict;
+use File::Temp qw/tempfile tempdir/;
 
 parse_options();
 
@@ -401,14 +402,19 @@ if(defined $::opt_tablesize) {
     unshift @ARGV, tablesize($database_driver,%dburl);
 }
 
+my $queryfile = "";
 if($dburl{'query'}) {
-    unshift @ARGV,$dburl{'query'};
+    my $fh;
+    ($fh,$queryfile) = tempfile(SUFFIX => ".sql");
+    print $fh $dburl{'query'};
+    close $fh;
+    $batch_command = "cat $queryfile - | $batch_command";
 }
 
 do {
     if(@ARGV) {
 	$::opt_debug and print "$batch_command\n";
-	open(M,"|$batch_command") || die("mysql/psql/sqlplus not in path");
+	open(M,"| $batch_command") || die("mysql/psql/sqlplus not in path");
 	print M "@ARGV";
 	close M;
     } elsif (is_stdin_terminal()) {
@@ -421,11 +427,13 @@ do {
     $err = $?>>8;
 } while (--$retries and $err);
 
+$queryfile and unlink $queryfile;
+
 $Global::Initfile && unlink $Global::Initfile;
 exit ($err);
 
 sub parse_options {
-    $Global::version = 20100906;
+    $Global::version = 20100914;
     $Global::progname = 'sql';
 
     # This must be done first as this may exec myself
@@ -828,6 +836,7 @@ sub parse_dburl {
 sub uri_unescape {
     # Copied from http://cpansearch.perl.org/src/GAAS/URI-1.55/URI/Escape.pm
     # to avoid depending on URI::Escape
+    # This section is (C) Gisle Aas.
     # Note from RFC1630:  "Sequences which start with a percent sign
     # but are not followed by two hexadecimal characters are reserved
     # for future extension"

unittest/tests-to-run/sql03.sh

@@ -8,15 +8,15 @@ sql mysql://root@ "CREATE USER 'sqlunittest'@'localhost' IDENTIFIED BY 'CB5A1FFF
 sql mysql://root@ "GRANT ALL PRIVILEGES ON sqlunittest.* TO 'sqlunittest'@'localhost';"
 
 echo '### Test reading sql from url command line'
-sql "mysql:///tange?SELECT 'Yes it works' as 'Test reading SQL from command line';"
+echo | sql "mysql:///tange?SELECT 'Yes it works' as 'Test reading SQL from command line';"
 
 echo '### Test reading sql from url command line %-quoting'
-sql "mysql:///tange?SELECT 'Yes it%20works' as 'Test%20%-quoting%20SQL from command line';"
+echo | sql "mysql:///tange?SELECT 'Yes it%20works' as 'Test%20%-quoting%20SQL from command line';"
 
 echo "### Test .sql/aliases with url on commandline"
 echo :sqlunittest mysql://sqlunittest:CB5A1FFFA5A@localhost:3306/sqlunittest >> ~/.sql/aliases
 perl -i -ne '$seen{$_}++ || print' ~/.sql/aliases
-sql ":sqlunittest?SELECT 'Yes it%20works' as 'Test if .sql/aliases with %-quoting works';"
+echo | sql ":sqlunittest?SELECT 'Yes it%20works' as 'Test if .sql/aliases with %-quoting works';"
 
 echo "### Test cyclic alias .sql/aliases"
 echo :cyclic :cyclic2 >> ~/.sql/aliases
@@ -28,7 +28,21 @@ stdout sql ":cyclic3?SELECT 'NO IT DID NOT' as 'Test if :cyclic is found works';
 echo "### Test alias with statement .sql/aliases"
 echo ":testselect sqlite:////tmp/file.sqlite?SELECT 'It works' AS 'Test statement in alias';" >> ~/.sql/aliases
 perl -i -ne '$seen{$_}++ || print' ~/.sql/aliases
-stdout sql :testselect
+echo | stdout sql :testselect
+echo ":testselectmysql mysql://sqlunittest:CB5A1FFFA5A@localhost:3306/sqlunittest?SELECT 'It works' AS 'Test statement in alias';" >> ~/.sql/aliases
+perl -i -ne '$seen{$_}++ || print' ~/.sql/aliases
+echo | stdout sql :testselect
+echo | stdout sql :testselectmysql
+
+echo "### Test alias followed by SQL as arg"
+echo ignored | stdout sql :testselect "select 'Arg on cmdline';"
+
+echo "### Test alias with query followed by SQL as arg"
+echo ignored | stdout sql :testselect" select 'Query added to alias';" "select 'Arg on cmdline';"
+
+echo "### Test alias with statement .sql/aliases"
+echo "select 'Query from stdin';" | sql :testselect" select 'Query added to alias';"
+echo "select 'Query from stdin';" | sql :testselectmysql" select 'Query added to alias';"
 
 echo "### Test empty dburl"
 stdout sql ''

unittest/tests-to-run/test25.sh

@@ -25,7 +25,7 @@ echo no output |parallel -kv ::: 'echo a' 'cat'
 EOF
 chmod 755 /tmp/parallel-script-for-script2
 echo via pseudotty | script -q -f -c /tmp/parallel-script-for-script2 /dev/null
-sleep 1
+sleep 2
 echo '### Test stdin goes to first command only'
 echo via cat |parallel --arg-sep .--- -kv .--- 'cat' 'echo b'
 echo via cat |parallel -kv ::: 'cat' 'echo b'

unittest/wanted-results/sql03

@@ -12,6 +12,30 @@ Yes it works
 ### Test alias with statement .sql/aliases
 Test statement in alias
 It works
+Test statement in alias
+It works
+Test statement in alias
+It works
+### Test alias followed by SQL as arg
+Test statement in alias
+It works
+Arg on cmdline
+### Test alias with query followed by SQL as arg
+Test statement in alias
+It works
+Query added to alias
+Arg on cmdline
+### Test alias with statement .sql/aliases
+Test statement in alias
+It works
+Query added to alias
+Query from stdin
+Test statement in alias
+It works
+Query added to alias
+Query added to alias
+Query from stdin
+Query from stdin
 ### Test empty dburl
 Error:
  is not a valid DBURL