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Corrects to comments on the STAT4 implementation.

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FossilOrigin-Name: e06f74d32d44f281dd21908d401184f35f9455a4
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drh
2013-10-14 14:21:59 +00:00
parent a7f4bf3f88
commit 0ae4f14e45
3 changed files with 14 additions and 14 deletions
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14
src/analyze.c
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@@ -31,7 +31,7 @@
** SQLITE_ENABLE_STAT3 defined. The functionality of sqlite_stat3
** is a superset of sqlite_stat2. The sqlite_stat4 is an enhanced
** version of sqlite_stat3 and is only available when compiled with
** SQLITE_ENABLE_STAT4 and in SQLite versions 3.8.0 and later. It is
** SQLITE_ENABLE_STAT4 and in SQLite versions 3.8.1 and later. It is
** not possible to enable both STAT3 and STAT4 at the same time. If they
** are both enabled, then STAT4 takes precedence.
**
@@ -107,12 +107,12 @@
** The idx column names the index and the tbl column is the table of the
** index. If the idx and tbl columns are the same, then the sample is
** of the INTEGER PRIMARY KEY. The sample column is a blob which is the
** binary encoding of a key from the index, with the trailing rowid
** omitted. The nEq column is a list of integers. The first integer
** is the approximate number of entries in the index whose left-most
** column exactly matches the left-most column of the sample. The second
** integer in nEq is the approximate number of entries in the index where
** the first two columns match the first two columns of the sample.
** binary encoding of a key from the index. The nEq column is a
** list of integers. The first integer is the approximate number
** of entries in the index whose left-most column exactly matches
** the left-most column of the sample. The second integer in nEq
** is the approximate number of entries in the index where the
** first two columns match the first two columns of the sample.
** And so forth. nLt is another list of integers that show the approximate
** number of entries that are strictly less than the sample. The first
** integer in nLt contains the number of entries in the index where the