MXS-1391 Parse CREATE OR REPLACE

query_classifier/qc_sqlite/CMakeLists.txt

@@ -21,6 +21,10 @@ set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-error=array-bounds")
 
 add_library(qc_sqlite SHARED qc_sqlite.cc qc_sqlite3.c builtin_functions.c)
 add_dependencies(qc_sqlite maxscale_sqlite)
+# If you feel a need to add something here, check also the handling of 'enable_maxscale'
+# in sqlite-src-3110100/configure.
+# In configure we have defined SQLITE_OMIT_VIRTUALTABLE, but it cannot be defined here,
+# although conceptually is should, as one needed static function in case will be missing.
 add_definitions(-DMAXSCALE -DSQLITE_THREADSAFE=0 -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT -DSQLITE_OMIT_ATTACH -DSQLITE_OMIT_REINDEX -DSQLITE_OMIT_AUTOVACUUM -DSQLITE_OMIT_PRAGMA )
 
 set_target_properties(qc_sqlite PROPERTIES VERSION "1.0.0")

query_classifier/qc_sqlite/sqlite-src-3110100/configure

@@ -11506,7 +11506,9 @@ else
 fi
 
 if test "${enable_maxscale}" = "yes" ; then
-  OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS -DMAXSCALE -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT -DSQLITE_OMIT_ATTACH -DSQLITE_OMIT_REINDEX -DSQLITE_OMIT_AUTOVACUUM -DSQLITE_OMIT_PRAGMA"
+  # If something is added here, check the obvious 'add_definitions'
+  # in ../CMakeLists.txt
+  OPT_FEATURE_FLAGS="$OPT_FEATURE_FLAGS -DMAXSCALE -DSQLITE_ENABLE_UPDATE_DELETE_LIMIT -DSQLITE_OMIT_ATTACH -DSQLITE_OMIT_REINDEX -DSQLITE_OMIT_AUTOVACUUM -DSQLITE_OMIT_PRAGMA -DSQLITE_OMIT_VIRTUALTABLE"
 fi
 
 #########

query_classifier/qc_sqlite/sqlite-src-3110100/src/parse.y

@@ -384,10 +384,21 @@ create_table ::= createkw temp(T) TABLE ifnotexists(E) nm(Y) dbnm(Z). {
    sqlite3StartTable(pParse,&Y,&Z,T,0,0,E);
 #endif
 }
+%ifdef MAXSCALE
+or_replace_opt ::= .
+or_replace_opt ::= OR REPLACE.
+
+createkw(A) ::= CREATE(X) or_replace_opt.  {
+  disableLookaside(pParse);
+  A = X;
+}
+%endif
+%ifndef MAXSCALE
 createkw(A) ::= CREATE(X).  {
   disableLookaside(pParse);
   A = X;
 }
+%endif
 %type ifnotexists {int}
 ifnotexists(A) ::= .              {A = 0;}
 ifnotexists(A) ::= IF NOT EXISTS. {A = 1;}
@@ -904,9 +915,6 @@ ifexists(A) ::= .            {A = 0;}
 //
 %ifndef SQLITE_OMIT_VIEW
 %ifdef MAXSCALE
-or_replace_opt ::= .
-or_replace_opt ::= OR REPLACE.
-
 %type algorithm {int}
 algorithm(A) ::= UNDEFINED. {A=0;}
 algorithm(A) ::= MERGE. {A=0;}
@@ -916,7 +924,7 @@ algorithm(A) ::= TEMPTABLE. {A=1;}
 algorithm_opt(A) ::= . {A=0;}
 algorithm_opt(A) ::= ALGORITHM EQ algorithm(X). {A=X;}
 
-cmd ::= createkw(X) or_replace_opt algorithm_opt(T) VIEW ifnotexists(E) nm(Y) dbnm(Z) eidlist_opt(C)
+cmd ::= createkw(X) algorithm_opt(T) VIEW ifnotexists(E) nm(Y) dbnm(Z) eidlist_opt(C)
           AS select(S). {
   mxs_sqlite3CreateView(pParse, &X, &Y, &Z, C, S, T, E);
   sqlite3SelectDelete(pParse->db, S);

query_classifier/test/maxscale.test

@@ -87,3 +87,5 @@ select names from t;
 
 call p1();
 call p1(@var);
+
+create or replace table t (a int);