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Allow min() and max() to be used as window functions.

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FossilOrigin-Name: c16125a884a9131b707ac20033968c4c3177ea79625a15efb64d754568c6c7a0
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dan
2018-05-30 20:44:58 +00:00
parent d6f784ef92
commit c9a8668ac7
8 changed files with 495 additions and 134 deletions
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8
src/sqliteInt.h
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@@ -3479,11 +3479,15 @@ struct Window {
Expr *pStart; /* Expression for "<expr> PRECEDING" */
Expr *pEnd; /* Expression for "<expr> FOLLOWING" */
Window *pNextWin; /* Next window function belonging to this SELECT */
FuncDef *pFunc;
int nArg;
int iEphCsr; /* Temp table used by this window */
int regAccum;
int regResult;
FuncDef *pFunc;
int nArg;
int csrApp; /* Function cursor (used by min/max) */
int regApp; /* Function register (also used by min/max) */
int regPart;
Expr *pOwner; /* Expression object this window is attached to */