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FossilOrigin-Name: 8b91b74931c36e1955ef933a07d8ec40c8b54c882efe7084d179168867c5244f
This commit is contained in:
drh 2024-09-01 23:56:14 +00:00
parent b9a6e42a55
commit b5df31d15f
3 changed files with 25 additions and 9 deletions
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@ -1,5 +1,5 @@
C Improved\sdocumentation\sof\srecent\senhancements\sto\sthe\spercentile\sextension.
D 2024-09-01T23:47:20.435
C More\sinternal\sdocumentation\simprovements.
D 2024-09-01T23:56:14.104
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F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@ -754,7 +754,7 @@ F src/os_win.c 6ff43bac175bd9ed79e7c0f96840b139f2f51d01689a638fd05128becf94908a
F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
F src/pager.c b08600ebf0db90b6d1e9b8b6577c6fa3877cbe1a100bd0b2899e4c6e9adad4b3
F src/pager.h 4b1140d691860de0be1347474c51fee07d5420bd7f802d38cbab8ea4ab9f538a
F src/parse.y 228eaa370f4467106af4b2065cd7d1e1382e7f248070dc67e86d1fc8975ad69e
F src/parse.y 5a15f76ee1e215cd1db9741685f94768a94fbe8b4b160c6211cd996194b996d2
F src/pcache.c 588cc3c5ccaaadde689ed35ce5c5c891a1f7b1f4d1f56f6cf0143b74d8ee6484
F src/pcache.h 1497ce1b823cf00094bb0cf3bac37b345937e6f910890c626b16512316d3abf5
F src/pcache1.c 49516ad7718a3626f28f710fa7448ef1fce3c07fd169acbb4817341950264319
@ -2211,8 +2211,8 @@ F vsixtest/vsixtest.tcl 6195aba1f12a5e10efc2b8c0009532167be5e301abe5b31385638080
F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
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Z d0ae9c1e72197b37292ce151522509d5
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# Remove this line to create a well-formed Fossil manifest.

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@ -1 +1 @@
51e7b4c9cf19a5986432a76c5fd30cef715c170a403d7b4304a8c5888c445a91
8b91b74931c36e1955ef933a07d8ec40c8b54c882efe7084d179168867c5244f

20
src/parse.y
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@ -1184,7 +1184,23 @@ expr(A) ::= idj(X) LP STAR RP. {
%ifdef SQLITE_ENABLE_ORDERED_SET_FUNCS
%include {
/* Generate an expression node that represents an ordered-set aggregate function */
/* Generate an expression node that represents an ordered-set aggregate function.
**
** SQLite does not do anything special to evaluate ordered-set aggregates. The
** aggregate function itself is expected to do any required ordering on its own.
** This is just syntactic sugar.
**
** This syntax: percentile(f) WITHIN GROUP ( ORDER BY y )
**
** Is equivalent to: percentile(y,f)
**
** The purpose of this function is to generate an Expr node from the first syntax
** into a TK_FUNCTION node that looks like it came from the second syntax.
**
** Only functions that have the SQLITE_SELFORDER1 perperty are allowed to do this
** transformation. Because DISTINCT is not allowed in the ordered-set aggregate
** syntax, an error is raised if DISTINCT is used.
*/
static Expr *sqlite3ExprAddOrderedsetFunction(
Parse *pParse, /* Parsing context */
Token *pFuncname, /* Name of the function */
@ -1213,7 +1229,7 @@ expr(A) ::= idj(X) LP STAR RP. {
if( pDef==0 || (pDef->funcFlags & SQLITE_SELFORDER1)==0 ){
sqlite3ErrorMsg(pParse, "%#T() is not an ordered-set aggregate", pExpr);
}else if( isDistinct==SF_Distinct ){
sqlite3ErrorMsg(pParse, "DISTINCT not allows on ordered-set aggregate %T()",
sqlite3ErrorMsg(pParse, "DISTINCT not allowed on ordered-set aggregate %T()",
pFuncname);
}
}