Merge changes from trunk.
FossilOrigin-Name: 06f432fb7c979f1bb7f01f5c90716ce5c0248f73f70b78a9870b9de5c9bf7ef4
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commit
129c398d4b
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17
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@ -1,5 +1,5 @@
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C Do\snot\sflatten\ssubqueries\sthat\scontain\san\sORDER\sBY\sor\sGROUP\sBY\sclause\sand\ncan\sbe\simplemented\susing\sa\sco-routine.
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D 2017-09-28T20:06:53.014
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C Merge\schanges\sfrom\strunk.
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D 2017-09-29T14:31:16.862
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F Makefile.in 4bc36d913c2e3e2d326d588d72f618ac9788b2fd4b7efda61102611a6495c3ff
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F Makefile.linux-gcc 7bc79876b875010e8c8f9502eb935ca92aa3c434
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F Makefile.msc 6033b51b6aea702ea059f6ab2d47b1d3cef648695f787247dd4fb395fe60673f
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@ -458,7 +458,7 @@ F src/printf.c 40aee47ae9be4bd3dbdc8968bd07fddc027be8edec8daddf24d3391d36698a1c
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F src/random.c 80f5d666f23feb3e6665a6ce04c7197212a88384
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F src/resolve.c 4324a94573b1e29286f8121e4881db59eaedc014afeb274c8d3e07ed282e0e20
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F src/rowset.c 7b7e7e479212e65b723bf40128c7b36dc5afdfac
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F src/select.c d38163a76a0da425afd4a43f5dd0dc88fdbe0aa258c45f6a9cb44acf0a606bc5
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F src/select.c 117cbceca91e71956092afe064a32de6f8b73096c669a250a673bb5b9bed4c77
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F src/shell.c c1206a23d9239f8f51751d3be9b8c3b02fa4103546bea1add7f864d84a8276ab
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F src/shell.c.in bb9720a8c5c98d3984b16ab7540e7142bcae959666ecf248bfc523a1d44220ee
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F src/sqlite.h.in ab4f8a29d1580dfaeb6891fa1b83cff8229ba0daa56994707ceaca71495d9ab7
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@ -1158,7 +1158,7 @@ F test/schema5.test 29699b4421f183c8f0e88bd28ce7d75d13ea653e
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F test/schema6.test 5b21bbdd405bc93b3e6af5e6ece64d230e35f65cc4035e5c2b89fc8a090d7270
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F test/securedel.test 5f997cb6bd38727b81e0985f53ec386c99db6441b2b9e6357240649d29017239
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F test/securedel2.test 2d54c28e46eb1fd6902089958b20b1b056c6f1c5
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F test/select1.test be62204d2bd9a5a8a149e9974cfddce893d8f686
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F test/select1.test 460a5824df01575b18f7fa4bd8e40d09de20c542e90c1543e164bc7d3b0a0bb7
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F test/select2.test 352480e0e9c66eda9c3044e412abdf5be0215b56
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F test/select3.test 2ce595f8fb8e2ac10071d3b4e424cadd4634a054
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F test/select4.test 5389d9895968d1196c457d59b3ee6515d771d328
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@ -1655,10 +1655,7 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
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F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
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F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
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P ff2f5a31a2ac67a2fdbb25793e8013cb0e062ab90bdcba2d52a62d6d4d8b6d18
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R 2327508642786ef6d3dd975eaebc22c4
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T *branch * prefer-coroutine-sort-subquery
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T *sym-prefer-coroutine-sort-subquery *
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T -sym-trunk *
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P 042d655dd9002e8b89a798ad955b0285891aecf79f6978c5312e70ffe0609a46 2a45bbc9fd1c64f1c4c4dac38f063cd67480fcb6da24bf93fdefbfca66fd81ab
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R 635e2ef6a6d5adad412e10e82845888b
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U drh
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Z 34c1093fc7e9ecc2e1ce3f4d0b9d734a
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Z 2ad1dca5cd127635056074671b5ec8b9
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@ -1 +1 @@
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042d655dd9002e8b89a798ad955b0285891aecf79f6978c5312e70ffe0609a46
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06f432fb7c979f1bb7f01f5c90716ce5c0248f73f70b78a9870b9de5c9bf7ef4
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14
src/select.c
14
src/select.c
@ -4376,7 +4376,11 @@ static int selectExpander(Walker *pWalker, Select *p){
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pFrom->pTab = pTab = sqlite3DbMallocZero(db, sizeof(Table));
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if( pTab==0 ) return WRC_Abort;
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pTab->nTabRef = 1;
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pTab->zName = sqlite3MPrintf(db, "sqlite_sq_%p", (void*)pTab);
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if( pFrom->zAlias ){
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pTab->zName = sqlite3DbStrDup(db, pFrom->zAlias);
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}else{
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pTab->zName = sqlite3MPrintf(db, "subquery_%p", (void*)pTab);
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}
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while( pSel->pPrior ){ pSel = pSel->pPrior; }
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sqlite3ColumnsFromExprList(pParse, pSel->pEList,&pTab->nCol,&pTab->aCol);
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pTab->iPKey = -1;
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@ -5264,6 +5268,9 @@ int sqlite3Select(
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struct SrcList_item *pItem = &pTabList->a[i];
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SelectDest dest;
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Select *pSub;
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#if !defined(SQLITE_OMIT_SUBQUERY) || !defined(SQLITE_OMIT_VIEW)
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const char *zSavedAuthContext;
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#endif
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/* Issue SQLITE_READ authorizations with a fake column name for any
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** tables that are referenced but from which no values are extracted.
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@ -5331,6 +5338,9 @@ int sqlite3Select(
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#endif
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}
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zSavedAuthContext = pParse->zAuthContext;
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pParse->zAuthContext = pItem->zName;
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/* Generate code to implement the subquery
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**
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** The subquery is implemented as a co-routine if all of these are true:
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@ -5353,6 +5363,7 @@ int sqlite3Select(
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** set on each invocation.
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*/
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int addrTop = sqlite3VdbeCurrentAddr(v)+1;
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pItem->regReturn = ++pParse->nMem;
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sqlite3VdbeAddOp3(v, OP_InitCoroutine, pItem->regReturn, 0, addrTop);
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VdbeComment((v, "%s", pItem->pTab->zName));
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@ -5410,6 +5421,7 @@ int sqlite3Select(
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}
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if( db->mallocFailed ) goto select_end;
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pParse->nHeight -= sqlite3SelectExprHeight(p);
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pParse->zAuthContext = zSavedAuthContext;
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#endif
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}
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@ -545,9 +545,9 @@ do_test select1-6.9.7 {
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set x [execsql2 {
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SELECT * FROM test1 a, (select 5, 6) LIMIT 1
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}]
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regsub -all {sq_[0-9a-fA-F_]+} $x {subquery} x
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regsub -all {subquery_[0-9a-fA-F_]+} $x {subquery} x
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set x
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} {a.f1 11 a.f2 22 sqlite_subquery.5 5 sqlite_subquery.6 6}
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} {a.f1 11 a.f2 22 subquery.5 5 subquery.6 6}
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do_test select1-6.9.8 {
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set x [execsql2 {
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SELECT * FROM test1 a, (select 5 AS x, 6 AS y) AS b LIMIT 1
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