Merge latest trunk changes with this branch. Add tests for columnsize=0.

FossilOrigin-Name: ef44c71a22518727030dd90c0139af8973b05841

tool/mksqlite3c.tcl

@@ -292,6 +292,7 @@ foreach file {
    mutex_w32.c
    malloc.c
    printf.c
+   treeview.c
    random.c
    threads.c
    utf.c
@@ -346,6 +347,8 @@ foreach file {
    update.c
    vacuum.c
    vtab.c
+   wherecode.c
+   whereexpr.c
    where.c
 
    parse.c

tool/warnings.sh

@@ -9,6 +9,28 @@ echo '********** No optimizations.  Includes FTS4 and RTREE *********'
 gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
       -ansi -DHAVE_STDINT_H -DSQLITE_ENABLE_FTS4 -DSQLITE_ENABLE_RTREE \
       sqlite3.c
+echo '********** Android configuration ******************************'
+gcc -c \
+  -DHAVE_USLEEP=1 \
+  -DSQLITE_HAVE_ISNAN \
+  -DSQLITE_DEFAULT_JOURNAL_SIZE_LIMIT=1048576 \
+  -DSQLITE_THREADSAFE=2 \
+  -DSQLITE_TEMP_STORE=3 \
+  -DSQLITE_POWERSAFE_OVERWRITE=1 \
+  -DSQLITE_DEFAULT_FILE_FORMAT=4 \
+  -DSQLITE_DEFAULT_AUTOVACUUM=1 \
+  -DSQLITE_ENABLE_MEMORY_MANAGEMENT=1 \
+  -DSQLITE_ENABLE_FTS3 \
+  -DSQLITE_ENABLE_FTS3_BACKWARDS \
+  -DSQLITE_ENABLE_FTS4 \
+  -DSQLITE_OMIT_BUILTIN_TEST \
+  -DSQLITE_OMIT_COMPILEOPTION_DIAGS \
+  -DSQLITE_OMIT_LOAD_EXTENSION \
+  -DSQLITE_DEFAULT_FILE_PERMISSIONS=0600 \
+  -DSQLITE_ENABLE_ICU \
+  -DUSE_PREAD64 \
+  -Wshadow -Wall -Wextra \
+  -Os sqlite3.c shell.c
 echo '********** No optimizations. ENABLE_STAT4. THREADSAFE=0 *******'
 gcc -c -Wshadow -Wall -Wextra -pedantic-errors -Wno-long-long -std=c89 \
       -ansi -DSQLITE_ENABLE_STAT4 -DSQLITE_THREADSAFE=0 \