From: drh <drh@noemail.net>
Date: Thu, 15 Jan 2004 03:30:24 +0000 (+0000)
Subject: Allow "<expr> IN <table>" as a shorthand for
X-Git-Tag: version-3.6.10~4888
X-Git-Url: http://git.ipfire.org/gitweb/gitweb.cgi?a=commitdiff_plain;h=23b2db23b4068fe57791fcfc84cd6bf862bfcc70;p=thirdparty%2Fsqlite.git

Allow "<expr> IN <table>" as a shorthand for
"<expr> IN (SELECT * FROM <table>)" (CVS 1180)

FossilOrigin-Name: 01874d252ac44861e927dea3f5534f67e19b1fa8
---

diff --git a/manifest b/manifest
index d6a201bf78..f08f144701 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Reinsert\sthe\sexperimental\ssqlite_commit_hook()\sAPI.\s(CVS\s1179)
-D 2004-01-15T02:44:03
+C Allow\s"<expr>\sIN\s<table>"\sas\sa\sshorthand\sfor\n"<expr>\sIN\s(SELECT\s*\sFROM\s<table>)"\s(CVS\s1180)
+D 2004-01-15T03:30:25
 F Makefile.in 0515ff9218ad8d5a8f6220f0494b8ef94c67013b
 F Makefile.linux-gcc b86a99c493a5bfb402d1d9178dcdc4bd4b32f906
 F README f1de682fbbd94899d50aca13d387d1b3fd3be2dd
@@ -42,7 +42,7 @@ F src/os.c 681ec36217bc7c795d55d9a63ff79a8614ddee8c
 F src/os.h 257c9aef1567bb20c8b767fc27fe3ee7d89104e0
 F src/pager.c 289328d8efba620eae99f6c2f6062710838a3eb4
 F src/pager.h 5da62c83443f26b1792cfd72c96c422f91aadd31
-F src/parse.y c65aa6c5508763806ac9734b0589b93480ec7e7a
+F src/parse.y e41722d11148f34f034716652c1668ffb0ef2905
 F src/pragma.c deec7342741e371f3042adaee53fcc324c5dd1d4
 F src/printf.c 292a7bfc5a815cb6465e32b2d5c9fe9bd43b27f0
 F src/random.c 19e8e00fe0df32a742f115773f57651be327cabe
@@ -89,7 +89,7 @@ F test/fkey1.test d65c824459916249bee501532d6154ddab0b5db7
 F test/format3.test 149cc166c97923fa60def047e90dd3fb32bba916
 F test/func.test 000515779001ac6899eec4b54e65c6e2501279d4
 F test/hook.test 1a67ce0cd64a6455d016962542f2822458dccc49
-F test/in.test 22de8a3eb27265aab723adc513bea0e76bef70c6
+F test/in.test 0de39b02ceeca90993b096822fb5a884661c5b47
 F test/index.test 9295deefbdb6dedbe01be8905f0c448fe5bd4079
 F test/insert.test a17b7f7017097afb2727aa5b67ceeb7ab0a120a1
 F test/insert2.test c288375a64dad3295044714f0dfed4a193cf067f
@@ -180,7 +180,7 @@ F www/speed.tcl 2f6b1155b99d39adb185f900456d1d592c4832b3
 F www/sqlite.tcl 3c83b08cf9f18aa2d69453ff441a36c40e431604
 F www/tclsqlite.tcl b9271d44dcf147a93c98f8ecf28c927307abd6da
 F www/vdbe.tcl 9b9095d4495f37697fd1935d10e14c6015e80aa1
-P c9ac3db8e08403398ec344757385334601a59374
-R 18a9d4e8ef4c6ab1b9d09a62e3e37863
+P 72bc84f2f18f6eeb279a4ad670310e85d154f663
+R 2bc9ea54c7ac36ba81835b3e442ee3bc
 U drh
-Z 26c0ac18c73114906997f5ad3548f7ae
+Z 123afbc81ac483920b37bfd6b69d6479
diff --git a/manifest.uuid b/manifest.uuid
index da91e07dd3..22eb6ee030 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-72bc84f2f18f6eeb279a4ad670310e85d154f663
\ No newline at end of file
+01874d252ac44861e927dea3f5534f67e19b1fa8
\ No newline at end of file
diff --git a/src/parse.y b/src/parse.y
index dd52cb2455..05f9dff8d5 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -14,7 +14,7 @@
 ** the parser.  Lemon will also generate a header file containing
 ** numeric codes for all of the tokens.
 **
-** @(#) $Id: parse.y,v 1.105 2003/12/06 21:43:56 drh Exp $
+** @(#) $Id: parse.y,v 1.106 2004/01/15 03:30:25 drh Exp $
 */
 %token_prefix TK_
 %token_type {Token}
@@ -664,6 +664,22 @@ expr(A) ::= expr(X) NOT IN LP select(Y) RP(E).  {
   A = sqliteExpr(TK_NOT, A, 0, 0);
   sqliteExprSpan(A,&X->span,&E);
 }
+expr(A) ::= expr(X) IN nm(Y) dbnm(D). {
+  SrcList *pSrc = sqliteSrcListAppend(0, &Y, &D);
+  ExprList *pList = sqliteExprListAppend(0, sqliteExpr(TK_ALL,0,0,0), 0);
+  A = sqliteExpr(TK_IN, X, 0, 0);
+  if( A ) A->pSelect = sqliteSelectNew(pList,pSrc,0,0,0,0,0,-1,0);
+  sqliteExprSpan(A,&X->span,D.z?&D:&Y);
+}
+expr(A) ::= expr(X) NOT IN nm(Y) dbnm(D). {
+  SrcList *pSrc = sqliteSrcListAppend(0, &Y, &D);
+  ExprList *pList = sqliteExprListAppend(0, sqliteExpr(TK_ALL,0,0,0), 0);
+  A = sqliteExpr(TK_IN, X, 0, 0);
+  if( A ) A->pSelect = sqliteSelectNew(pList,pSrc,0,0,0,0,0,-1,0);
+  A = sqliteExpr(TK_NOT, A, 0, 0);
+  sqliteExprSpan(A,&X->span,D.z?&D:&Y);
+}
+
 
 /* CASE expressions */
 expr(A) ::= CASE(C) case_operand(X) case_exprlist(Y) case_else(Z) END(E). {
diff --git a/test/in.test b/test/in.test
index 18409166df..9fb8adf0e5 100644
--- a/test/in.test
+++ b/test/in.test
@@ -11,7 +11,7 @@
 # This file implements regression tests for SQLite library.  The
 # focus of this file is testing the IN and BETWEEN operator.
 #
-# $Id: in.test,v 1.10 2003/04/19 17:27:25 drh Exp $
+# $Id: in.test,v 1.11 2004/01/15 03:30:25 drh Exp $
 
 set testdir [file dirname $argv0]
 source $testdir/tester.tcl
@@ -276,6 +276,28 @@ do_test in-8.2 {
   }
 } {world}
 
-
+# Test constructs of the form:  expr IN tablename
+#
+do_test in-9.1 {
+  execsql {
+    CREATE TABLE t4 AS SELECT a FROM tb;
+    SELECT * FROM t4;    
+  }
+} {1 2 3 5 7 9 11}
+do_test in-9.2 {
+  execsql {
+    SELECT b FROM t1 WHERE a IN t4;
+  }
+} {32 128}
+do_test in-9.3 {
+  execsql {
+    SELECT b FROM t1 WHERE a NOT IN t4;
+  }
+} {64 256 world}
+do_test in-9.4 {
+  catchsql {
+    SELECT b FROM t1 WHERE a NOT IN tb;
+  }
+} {1 {only a single result allowed for a SELECT that is part of an expression}}
 
 finish_test