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Add things to this branch that will be required to support the EXCLUDE clause.

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FossilOrigin-Name: 7d66cd2013206ebad50c7cdb7dab9211fa8b47f5cb7067dcb314b3e0180875f8
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dan
2019-03-14 16:36:20 +00:00
parent db7d895e9d
commit a0f6b83300
7 changed files with 272 additions and 91 deletions
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4
src/sqliteInt.h
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@@ -3561,6 +3561,7 @@ struct Window {
u8 eStart; /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
u8 eEnd; /* UNBOUNDED, CURRENT, PRECEDING or FOLLOWING */
u8 bImplicitFrame; /* True if frame was implicitly specified */
u8 eExclude;
Expr *pStart; /* Expression for "<expr> PRECEDING" */
Expr *pEnd; /* Expression for "<expr> FOLLOWING" */
Window *pNextWin; /* Next window function belonging to this SELECT */
@@ -3576,6 +3577,9 @@ struct Window {
int nBufferCol; /* Number of columns in buffer table */
int iArgCol; /* Offset of first argument for this function */
int regFirst;
int regStartRowid;
int regEndRowid;
};
#ifndef SQLITE_OMIT_WINDOWFUNC