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Fix the OP_Concat operator such that when concatenating a BLOB with an

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odd number of bytes on a database that is UTF16, the size of the resulting
string is reduced to a multiple of two.

FossilOrigin-Name: 5eb2c23635320b76f5e1aea4d94375b847fe4b38cdb4e287fba188753f4773b1
This commit is contained in:
drh
2022-06-17 21:31:30 +00:00
parent c2beb0d8f6
commit 01156ec1c9
3 changed files with 9 additions and 9 deletions
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12
manifest
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@@ -1,5 +1,5 @@
C Omit\sthe\s--query-invariants\sprocessing\sin\sfuzzcheck\sfor\squeries\sthat\scontain\nthe\simplies_nonnull_row()\stest\sfunction.
D 2022-06-17T17:11:51.622
C Fix\sthe\sOP_Concat\soperator\ssuch\sthat\swhen\sconcatenating\sa\sBLOB\swith\san\nodd\snumber\sof\sbytes\son\sa\sdatabase\sthat\sis\sUTF16,\sthe\ssize\sof\sthe\sresulting\nstring\sis\sreduced\sto\sa\smultiple\sof\stwo.
D 2022-06-17T21:31:30.484
F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -642,7 +642,7 @@ F src/upsert.c 8789047a8f0a601ea42fa0256d1ba3190c13746b6ba940fe2d25643a7e991937
F src/utf.c ee39565f0843775cc2c81135751ddd93eceb91a673ea2c57f61c76f288b041a0
F src/util.c 602fe229f32a96ceccae4f40824129669582096f7c355f53dbac156c9fecef23
F src/vacuum.c bb346170b0b54c6683bba4a5983aea40485597fdf605c87ec8bc2e199fe88cd8
F src/vdbe.c 1c254d8ae4eeed388ed61e32a285571cfaf7d8c38c21f335eef20edc0c60c5e8
F src/vdbe.c 555620fbbf4cb2e816e506afeae189e9f2c19a0bf18442f471f7a799300155b7
F src/vdbe.h 07641758ca8b4f4c6d81ea667ea167c541e6ece21f5574da11e3d21ec37e2662
F src/vdbeInt.h 2cad0aeeb106371ed0e0946bab89f60627087068847afc2451c05056961c18da
F src/vdbeapi.c 354c893f1500cf524cc45c32879b9c68893a28b77e3442c24668d6afe4236217
@@ -1978,8 +1978,8 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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U drh
Z 57c12800fd26ff66a6c4e43d9067826d
Z f2da6ce1874ec91331ce02aadb2b4e60
# Remove this line to create a well-formed Fossil manifest.

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@@ -1 +1 @@
0602a0844893465ac2fe53c0fa648a5cbcbc6452fff6181c42fab517f047b583
5eb2c23635320b76f5e1aea4d94375b847fe4b38cdb4e287fba188753f4773b1

4
src/vdbe.c
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@@ -1666,7 +1666,7 @@ case OP_Concat: { /* same as TK_CONCAT, in1, in2, out3 */
if( nByte>db->aLimit[SQLITE_LIMIT_LENGTH] ){
goto too_big;
}
if( sqlite3VdbeMemGrow(pOut, (int)nByte+3, pOut==pIn2) ){
if( sqlite3VdbeMemGrow(pOut, (int)nByte+2, pOut==pIn2) ){
goto no_mem;
}
MemSetTypeFlag(pOut, MEM_Str);
@@ -1678,9 +1678,9 @@ case OP_Concat: { /* same as TK_CONCAT, in1, in2, out3 */
memcpy(&pOut->z[pIn2->n], pIn1->z, pIn1->n);
assert( (pIn1->flags & MEM_Dyn) == (flags1 & MEM_Dyn) );
pIn1->flags = flags1;
if( encoding>SQLITE_UTF8 ) nByte &= ~1;
pOut->z[nByte]=0;
pOut->z[nByte+1] = 0;
pOut->z[nByte+2] = 0;
pOut->flags |= MEM_Term;
pOut->n = (int)nByte;
pOut->enc = encoding;