Fix a bug in the shell ".import" command: Do not end the field

when an escaped double-quote occurs at the end of a CRNL line.

FossilOrigin-Name: 5e239ecda0f7835ce037b38b04627a574b5854cd

manifest

@@ -1,5 +1,5 @@
-C Remove\san\sunreachable\sconditional\sinserted\sby\sthe\sprevious\scheck-in.
-D 2013-12-11T12:02:55.839
+C Fix\sa\sbug\sin\sthe\sshell\s".import"\scommand:\s\sDo\snot\send\sthe\sfield\nwhen\san\sescaped\sdouble-quote\soccurs\sat\sthe\send\sof\sa\sCRNL\sline.
+D 2013-12-11T14:00:04.667
 F Makefile.arm-wince-mingw32ce-gcc d6df77f1f48d690bd73162294bbba7f59507c72f
 F Makefile.in 2ef13430cd359f7b361bb863504e227b25cc7f81
 F Makefile.linux-gcc 91d710bdc4998cb015f39edf3cb314ec4f4d7e23
@@ -220,7 +220,7 @@ F src/random.c 0b2dbc37fdfbfa6bd455b091dfcef5bdb32dba68
 F src/resolve.c 7eda9097b29fcf3d2b42fdc17d1de672134e09b6
 F src/rowset.c 64655f1a627c9c212d9ab497899e7424a34222e0
 F src/select.c d41381d80a22d3a83352aeca274cccf264ac277a
-F src/shell.c 936a72ff784efff3832cce274a96ed0b036e6758
+F src/shell.c 18924f6ccfa70da98bf9e388bab512c0fd1e792e
 F src/sqlite.h.in 125dc0b76f0116f1cd6f13536db52ba981e1c5bd
 F src/sqlite3.rc 11094cc6a157a028b301a9f06b3d03089ea37c3e
 F src/sqlite3ext.h 886f5a34de171002ad46fae8c36a7d8051c190fc
@@ -804,7 +804,7 @@ F test/shell1.test e7c0b9ebda25d5e78f0a3ea0dc4e31bb6d8098c0
 F test/shell2.test e1d3790f064e50b2f973502f45750012667486df
 F test/shell3.test 5e8545ec72c4413a0e8d4c6be56496e3c257ca29
 F test/shell4.test aa4eef8118b412d1a01477a53426ece169ea86a9
-F test/shell5.test 46c8c18d62732415c4fe084816c13d559831705e
+F test/shell5.test cee83b4385f842fec1f2a0bec9ea811f35386edf
 F test/shortread1.test bb591ef20f0fd9ed26d0d12e80eee6d7ac8897a3
 F test/shrink.test 8c70f62b6e8eb4d54533de6d65bd06b1b9a17868
 F test/sidedelete.test f0ad71abe6233e3b153100f3b8d679b19a488329
@@ -1146,7 +1146,7 @@ F tool/vdbe-compress.tcl 0cf56e9263a152b84da86e75a5c0cdcdb7a47891
 F tool/warnings-clang.sh f6aa929dc20ef1f856af04a730772f59283631d4
 F tool/warnings.sh d1a6de74685f360ab718efda6265994b99bbea01
 F tool/win/sqlite.vsix 030f3eeaf2cb811a3692ab9c14d021a75ce41fff
-P a7e5fcd66659750eb2f4675082df324e7cf35427
-R 67c3fc3c4877c3d23735c8e7af689974
+P 3e1d55f0bd84810a035bd6c54583eb373784a9a3
+R 7d1fbc3502ae32ded8a54ca8c1f54c36
 U drh
-Z 7b01fedab63512666d5da7a3d79c1ff6
+Z 2736aa335da363db578416e90c12bc54

manifest.uuid

@@ -1 +1 @@
-3e1d55f0bd84810a035bd6c54583eb373784a9a3
+5e239ecda0f7835ce037b38b04627a574b5854cd

src/shell.c

@@ -1836,7 +1836,7 @@ static void csv_append_char(CSVReader *p, int c){
 **   +  Report syntax errors on stderr
 */
 static char *csv_read_one_field(CSVReader *p){
-  int c, pc;
+  int c, pc, ppc;
   int cSep = p->cSeparator;
   p->n = 0;
   c = fgetc(p->in);
@@ -1847,7 +1847,7 @@ static char *csv_read_one_field(CSVReader *p){
   if( c=='"' ){
     int startLine = p->nLine;
     int cQuote = c;
-    pc = 0;
+    pc = ppc = 0;
     while( 1 ){
       c = fgetc(p->in);
       if( c=='\n' ) p->nLine++;
@@ -1859,7 +1859,7 @@ static char *csv_read_one_field(CSVReader *p){
       }
       if( (c==cSep && pc==cQuote)
        || (c=='\n' && pc==cQuote)
-       || (c=='\n' && pc=='\r' && p->n>=2 && p->z[p->n-2]==cQuote)
+       || (c=='\n' && pc=='\r' && ppc==cQuote)
        || (c==EOF && pc==cQuote)
       ){
         do{ p->n--; }while( p->z[p->n]!=cQuote );
@@ -1877,6 +1877,7 @@ static char *csv_read_one_field(CSVReader *p){
         break;
       }
       csv_append_char(p, c);
+      ppc = pc;
       pc = c;
     }
   }else{

test/shell5.test

@@ -268,4 +268,23 @@ do_test shell5-1.9 {
 } {1 {} 11 | 2 x 22 | 3 {"} 33 | 4 hello 44 | 5 55 {} | 6 66 x | 7 77 {"} | 8 88 hello | {} 9 99 | x 10 110 | {"} 11 121 | hello 12 132 |}
 db close
 
+# Import columns containing quoted strings
+do_test shell5-1.10 {
+  set out [open shell5.csv w]
+  fconfigure $out -translation lf
+  puts $out {column1,column2,column3,column4}
+  puts $out "field1,field2,\"x3 \"\"\r\ndata\"\" 3\",field4"
+  puts $out "x1,x2,\"x3 \"\"\ndata\"\" 3\",x4"
+  close $out
+  forcedelete test.db
+  catchcmd test.db {.mode csv
+    CREATE TABLE t1(a,b,c,d);
+.import shell5.csv t1
+  }
+  sqlite3 db test.db
+  db eval {SELECT hex(c) FROM t1 ORDER BY rowid}
+} {636F6C756D6E33 783320220D0A64617461222033 783320220A64617461222033}
+
+db close
+
 finish_test