sql: remove support of partial indexes from parser

Currently, Tarantool doesn't support partial indexes, so lets temporary
remove their processing from SQL parser to avoid confusing situations.
It can be returned after #1260 (implement functional indexes in
Tarantool) is done.

Closes #2165

src/box/sql/parse.y

@@ -1193,9 +1193,9 @@ paren_exprlist(A) ::= LP exprlist(X) RP.  {A = X;}
 ///////////////////////////// The CREATE INDEX command ///////////////////////
 //
 cmd ::= createkw(S) uniqueflag(U) INDEX ifnotexists(NE) nm(X)
-        ON nm(Y) LP sortlist(Z) RP where_opt(W). {
+        ON nm(Y) LP sortlist(Z) RP. {
   sql_create_index(pParse, &X, sqlite3SrcListAppend(pParse->db,0,&Y), Z, U, &S,
-                   W, SORT_ORDER_ASC, NE, SQLITE_IDXTYPE_APPDEF);
+                   NULL, SORT_ORDER_ASC, NE, SQLITE_IDXTYPE_APPDEF);
 }
 
 %type uniqueflag {int}

test/sql-tap/analyze9.test.lua

@@ -1112,7 +1112,7 @@ test:do_test(
         test:execsql([[
             DROP TABLE IF EXISTS t1;
             CREATE TABLE t1(id INTEGER PRIMARY KEY AUTOINCREMENT, a, b, c, d);
-            CREATE INDEX i1 ON t1(a, b) WHERE d IS NOT NULL;
+            CREATE INDEX i1 ON t1(a, b);
             INSERT INTO t1 VALUES(null, -1, -1, -1, NULL);
             INSERT INTO t1 SELECT null, 2*a,2*b,2*c,d FROM t1;
             INSERT INTO t1 SELECT null, 2*a,2*b,2*c,d FROM t1;

test/sql-tap/autoindex4.test.lua

@@ -111,7 +111,7 @@ test:do_execsql_test(
 test:do_execsql_test(
     "autoindex4-3.1",
     [[
-        CREATE INDEX Items_x1 ON Items(ItemName,Name) WHERE ItemName = 'dummy';
+        CREATE INDEX Items_x1 ON Items(ItemName,Name);
 
         SELECT Items.ItemName
           FROM Items

test/sql-tap/fkey1.test.lua

@@ -212,7 +212,7 @@ test:do_execsql_test(
     "fkey1-6.1",
     [[
         CREATE TABLE p1(id PRIMARY KEY, x, y);
-        CREATE UNIQUE INDEX p1x ON p1(x) WHERE y<2;
+        CREATE INDEX p1x ON p1(x);
         INSERT INTO p1 VALUES(1, 1, 1);
         CREATE TABLE c1(a PRIMARY KEY REFERENCES p1(x));
     ]], {

test/sql-tap/index6.test.lua

@@ -225,7 +225,7 @@ test:do_execsql_test(
     "index6-6.0",
     [[
         CREATE TABLE t6(a,b, PRIMARY KEY (a,b));
-        CREATE INDEX t6b ON t6(b) WHERE b=1;
+        CREATE INDEX t6b ON t6(b);
         INSERT INTO t6(a,b) VALUES(123,456);
         SELECT * FROM t6;
     ]], {
@@ -262,7 +262,7 @@ test:do_execsql_test(
         CREATE TABLE t7a(id primary key, x);
         CREATE TABLE t7b(id primary key, y);
         INSERT INTO t7a VALUES(1, 1);
-        CREATE INDEX t7ax ON t7a(x) WHERE x=99;
+        CREATE INDEX t7ax ON t7a(x);
         SELECT x,y FROM t7a LEFT JOIN t7b ON (x=99) ORDER BY x;
     ]], {
         -- <index6-7.0>
@@ -318,7 +318,7 @@ test:do_execsql_test(
     [[
         CREATE TABLE t8a(id primary key, a,b);
         CREATE TABLE t8b(id primary key, x,y);
-        CREATE INDEX i8c ON t8b(y) WHERE x = 'value';
+        CREATE INDEX i8c ON t8b(y);
 
         INSERT INTO t8a VALUES(1, 1, 'one');
         INSERT INTO t8a VALUES(2, 2, 'two');
@@ -364,7 +364,7 @@ if (0 > 0)
         "index6-9.1",
         [[
             CREATE TABLE t9(a int, b int, c int);
-            CREATE INDEX t9ca ON t9(c,a) WHERE a in (10,12,20);
+            CREATE INDEX t9ca ON t9(c,a);
             INSERT INTO t9 VALUES(1,1,9),(10,2,35),(11,15,82),(20,19,5),(NULL,7,3);
             UPDATE t9 SET b=c WHERE a in (10,12,20);
             SELECT a,b,c,'|' FROM t9 ORDER BY a;
@@ -379,7 +379,7 @@ test:do_execsql_test(
     [[
         --DROP TABLE t9;
         CREATE TABLE t9(a int, b int, c int, PRIMARY KEY(a));
-        CREATE INDEX t9ca ON t9(c,a) WHERE a in (10,12,20);
+        CREATE INDEX t9ca ON t9(c,a);
         INSERT INTO t9 VALUES(1,1,9),(10,2,35),(11,15,82),(20,19,5);
         UPDATE t9 SET b=c WHERE a in (10,12,20);
         SELECT a,b,c,'|' FROM t9 ORDER BY a;
@@ -400,7 +400,7 @@ test:do_execsql_test(
           (2,3,4,5,6),
           (3,4,5,6,7),
           (1,2,3,8,9);
-        CREATE INDEX t10x ON t10(d) WHERE a=1 AND b=2 AND c=3;
+        CREATE INDEX t10x ON t10(d);
         SELECT e FROM t10 WHERE a=1 AND b=2 AND c=3 ORDER BY d;
     ]], {
         -- <index6-10.1>

test/sql-tap/index7.test.lua

@@ -261,7 +261,7 @@ test:do_execsql_test(
 test:do_execsql_test(
     "index7-6.2",
     [[
-        CREATE INDEX i4 ON t4(c) WHERE d='xyz';
+        CREATE INDEX i4 ON t4(c);
         SELECT a,b,c,d FROM (SELECT a,b FROM t5 WHERE a=1 AND b='xyz'), t4 WHERE c='abc';
     ]], {
         -- <index7-6.2>
@@ -291,14 +291,16 @@ test:do_eqp_test(
         -- </index7-6.4>
     })
 
+-- gh-2165 Currently, Tarantool lacks support of partial indexes,
+-- so temporary we removed processing of their syntax from parser.
+--
 test:do_catchsql_test(
-    "index7-6.5",
+    "index7-7.1",
     [[
-        CREATE INDEX t5a ON t5(a) WHERE a=#1;
+        CREATE TABLE t1 (a INTEGER PRIMARY KEY, b INTEGER);
+        CREATE UNIQUE INDEX i ON t1 (a) WHERE a = 3;
     ]], {
-        -- <index7-6.5>
-        1, [[near "#1": syntax error]]
-        -- </index7-6.5>
+        1, "keyword \"WHERE\" is reserved"
     })
 
 test:finish_test()