diff -r 5f8e5adbbed9 -r 29cda98b007e engine/sqlite/src/keywordhash.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/engine/sqlite/src/keywordhash.h Thu Feb 25 14:29:19 2010 +0000 @@ -0,0 +1,112 @@ +/***** This file contains automatically generated code ****** +** +** The code in this file has been automatically generated by +** +** $Header: /sqlite/sqlite/tool/mkkeywordhash.c,v 1.31 2007/07/30 18:26:20 rse Exp $ +** +** The code in this file implements a function that determines whether +** or not a given identifier is really an SQL keyword. The same thing +** might be implemented more directly using a hand-written hash table. +** But by using this automatically generated code, the size of the code +** is substantially reduced. This is important for embedded applications +** on platforms with limited memory. +*/ +/* Hash score: 165 */ +static int keywordCode(const char *z, int n){ + /* zText[] encodes 775 bytes of keywords in 526 bytes */ + static const char zText[526] = + "BEFOREIGNOREGEXPLAINSTEADDESCAPEACHECKEYCONSTRAINTERSECTABLEFT" + "HENDATABASELECTRANSACTIONATURALTERAISELSEXCEPTRIGGEREFERENCES" + "UNIQUERYATTACHAVINGROUPDATEMPORARYBEGINNEREINDEXCLUSIVEXISTSBETWEEN" + "OTNULLIKECASCADEFERRABLECASECOLLATECREATECURRENT_DATEDELETEDETACH" + "IMMEDIATEJOINSERTMATCHPLANALYZEPRAGMABORTVALUESVIRTUALIMITWHEN" + "WHERENAMEAFTEREPLACEANDEFAULTAUTOINCREMENTCASTCOLUMNCOMMITCONFLICT" + "CROSSCURRENT_TIMESTAMPRIMARYDEFERREDISTINCTDROPFAILFROMFULLGLOB" + "YIFINTOFFSETISNULLORDERESTRICTOUTERIGHTROLLBACKROWUNIONUSINGVACUUM" + "VIEWINITIALLY"; + static const unsigned char aHash[127] = { + 63, 92, 109, 61, 0, 38, 0, 0, 69, 0, 64, 0, 0, + 102, 4, 65, 7, 0, 108, 72, 103, 99, 0, 22, 0, 0, + 113, 0, 111, 106, 0, 18, 80, 0, 1, 0, 0, 56, 57, + 0, 55, 11, 0, 33, 77, 89, 0, 110, 88, 0, 0, 45, + 0, 90, 54, 0, 20, 0, 114, 34, 19, 0, 10, 97, 28, + 83, 0, 0, 116, 93, 47, 115, 41, 12, 44, 0, 78, 0, + 87, 29, 0, 86, 0, 0, 0, 82, 79, 84, 75, 96, 6, + 14, 95, 0, 68, 0, 21, 76, 98, 27, 0, 112, 67, 104, + 49, 40, 71, 0, 0, 81, 100, 0, 107, 0, 15, 0, 0, + 24, 0, 73, 42, 50, 0, 16, 48, 0, 37, + }; + static const unsigned char aNext[116] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, 0, 0, 0, + 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 32, 0, 0, + 17, 0, 0, 0, 36, 39, 0, 0, 25, 0, 0, 31, 0, + 0, 0, 43, 52, 0, 0, 0, 53, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 51, 0, 0, 0, 0, 26, 0, 8, 46, + 2, 0, 0, 0, 0, 0, 0, 0, 3, 58, 66, 0, 13, + 0, 91, 85, 0, 94, 0, 74, 0, 0, 62, 0, 35, 101, + 0, 0, 105, 23, 30, 60, 70, 0, 0, 59, 0, 0, + }; + static const unsigned char aLen[116] = { + 6, 7, 3, 6, 6, 7, 7, 3, 4, 6, 4, 5, 3, + 10, 9, 5, 4, 4, 3, 8, 2, 6, 11, 2, 7, 5, + 5, 4, 6, 7, 10, 6, 5, 6, 6, 5, 6, 4, 9, + 2, 5, 5, 7, 5, 9, 6, 7, 7, 3, 4, 4, 7, + 3, 10, 4, 7, 6, 12, 6, 6, 9, 4, 6, 5, 4, + 7, 6, 5, 6, 7, 5, 4, 5, 6, 5, 7, 3, 7, + 13, 2, 2, 4, 6, 6, 8, 5, 17, 12, 7, 8, 8, + 2, 4, 4, 4, 4, 4, 2, 2, 4, 6, 2, 3, 6, + 5, 8, 5, 5, 8, 3, 5, 5, 6, 4, 9, 3, + }; + static const unsigned short int aOffset[116] = { + 0, 2, 2, 6, 10, 13, 18, 23, 25, 26, 31, 33, 37, + 40, 47, 55, 58, 61, 63, 65, 70, 71, 76, 85, 86, 91, + 95, 99, 102, 107, 113, 123, 126, 131, 136, 141, 144, 148, 148, + 152, 157, 160, 164, 166, 169, 177, 183, 189, 189, 192, 195, 199, + 200, 204, 214, 218, 225, 231, 243, 249, 255, 264, 266, 272, 277, + 279, 286, 291, 296, 302, 308, 313, 317, 320, 326, 330, 337, 339, + 346, 348, 350, 359, 363, 369, 375, 383, 388, 388, 404, 411, 418, + 419, 426, 430, 434, 438, 442, 445, 447, 449, 452, 452, 455, 458, + 464, 468, 476, 480, 485, 493, 496, 501, 506, 512, 516, 521, + }; + static const unsigned char aCode[116] = { + TK_BEFORE, TK_FOREIGN, TK_FOR, TK_IGNORE, TK_LIKE_KW, + TK_EXPLAIN, TK_INSTEAD, TK_ADD, TK_DESC, TK_ESCAPE, + TK_EACH, TK_CHECK, TK_KEY, TK_CONSTRAINT, TK_INTERSECT, + TK_TABLE, TK_JOIN_KW, TK_THEN, TK_END, TK_DATABASE, + TK_AS, TK_SELECT, TK_TRANSACTION,TK_ON, TK_JOIN_KW, + TK_ALTER, TK_RAISE, TK_ELSE, TK_EXCEPT, TK_TRIGGER, + TK_REFERENCES, TK_UNIQUE, TK_QUERY, TK_ATTACH, TK_HAVING, + TK_GROUP, TK_UPDATE, TK_TEMP, TK_TEMP, TK_OR, + TK_BEGIN, TK_JOIN_KW, TK_REINDEX, TK_INDEX, TK_EXCLUSIVE, + TK_EXISTS, TK_BETWEEN, TK_NOTNULL, TK_NOT, TK_NULL, + TK_LIKE_KW, TK_CASCADE, TK_ASC, TK_DEFERRABLE, TK_CASE, + TK_COLLATE, TK_CREATE, TK_CTIME_KW, TK_DELETE, TK_DETACH, + TK_IMMEDIATE, TK_JOIN, TK_INSERT, TK_MATCH, TK_PLAN, + TK_ANALYZE, TK_PRAGMA, TK_ABORT, TK_VALUES, TK_VIRTUAL, + TK_LIMIT, TK_WHEN, TK_WHERE, TK_RENAME, TK_AFTER, + TK_REPLACE, TK_AND, TK_DEFAULT, TK_AUTOINCR, TK_TO, + TK_IN, TK_CAST, TK_COLUMNKW, TK_COMMIT, TK_CONFLICT, + TK_JOIN_KW, TK_CTIME_KW, TK_CTIME_KW, TK_PRIMARY, TK_DEFERRED, + TK_DISTINCT, TK_IS, TK_DROP, TK_FAIL, TK_FROM, + TK_JOIN_KW, TK_LIKE_KW, TK_BY, TK_IF, TK_INTO, + TK_OFFSET, TK_OF, TK_SET, TK_ISNULL, TK_ORDER, + TK_RESTRICT, TK_JOIN_KW, TK_JOIN_KW, TK_ROLLBACK, TK_ROW, + TK_UNION, TK_USING, TK_VACUUM, TK_VIEW, TK_INITIALLY, + TK_ALL, + }; + int h, i; + if( n<2 ) return TK_ID; + h = ((charMap(z[0])*4) ^ + (charMap(z[n-1])*3) ^ + n) % 127; + for(i=((int)aHash[h])-1; i>=0; i=((int)aNext[i])-1){ + if( aLen[i]==n && sqlite3StrNICmp(&zText[aOffset[i]],z,n)==0 ){ + return aCode[i]; + } + } + return TK_ID; +} +int sqlite3KeywordCode(const unsigned char *z, int n){ + return keywordCode((char*)z, n); +}