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Check-in [71622aac82]
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Overview
Comment:The change log addition of the previous check-in went into the wrong release. This check-in fixes the problem.
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SHA1: 71622aac82be573d2e7e604a2ab0800e27f34013
User & Date: drh 2017-03-17 23:06:06.429
Context
2017-03-20
12:10
Refinements to the change log for 3.18.0. (check-in: 967d54a0f6 user: drh tags: trunk)
2017-03-17
23:06
The change log addition of the previous check-in went into the wrong release. This check-in fixes the problem. (check-in: 71622aac82 user: drh tags: trunk)
23:00
Add enforcement of SQLITE_LIMIT_VDBE_OP to the change log. (check-in: 6e5fa8b967 user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to pages/changes.in.
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    halt without doing unnecessary work.
<li>Enhance the [sqlite3_mprintf()] family of interfaces and the [printf SQL function]
    to put comma separators at the thousands marks for integers, if the "," format modifier
    is used in between the "%" and the "d" (example: "%,d").
<li>Added the -D[SQLITE_MAX_MEMORY]=<i>N</i> compile-time option.
<li>Added the [.sha3sum dot-command] and the [.selftest dot-command] 
    to the [command-line shell]



<li>Various performance improvements.
<p><b>Bug Fixes:</b>
<li>Ensure that indexed expressions with collating sequences are handled correctly.
    Fix for ticket [https://www.sqlite.org/src/info/eb703ba7b50c1a5|eb703ba7b50c1a5].
<li>Fix a bug in the 'start of ...' modifiers for the [date and time functions].
    Ticket [https://www.sqlite.org/src/info/6097cb92745327a1|6097cb92745327a1]
<li>In the [RBU extension], add extra sync operations to avoid the possibility of








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    halt without doing unnecessary work.
<li>Enhance the [sqlite3_mprintf()] family of interfaces and the [printf SQL function]
    to put comma separators at the thousands marks for integers, if the "," format modifier
    is used in between the "%" and the "d" (example: "%,d").
<li>Added the -D[SQLITE_MAX_MEMORY]=<i>N</i> compile-time option.
<li>Added the [.sha3sum dot-command] and the [.selftest dot-command] 
    to the [command-line shell]
<li>Begin enforcing [SQLITE_LIMIT_VDBE_OP].  The documentation has always
    warned that this limit might be enforced in the future.  That day has
    now come.
<li>Various performance improvements.
<p><b>Bug Fixes:</b>
<li>Ensure that indexed expressions with collating sequences are handled correctly.
    Fix for ticket [https://www.sqlite.org/src/info/eb703ba7b50c1a5|eb703ba7b50c1a5].
<li>Fix a bug in the 'start of ...' modifiers for the [date and time functions].
    Ticket [https://www.sqlite.org/src/info/6097cb92745327a1|6097cb92745327a1]
<li>In the [RBU extension], add extra sync operations to avoid the possibility of
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<li>Enhance the [SQLITE_DIRECT_OVERFLOW_READ] option so that it works
    in [WAL mode] as long as the pages being read are not in the WAL file.
<li>Enhance the 
    [https://www.sqlite.org/src/doc/trunk/doc/lemon.html|LEMON parser generator]
    so that it can store the parser object as a stack variable rather than 
    allocating space from the heap and make use of that enhancement in
    the [amalgamation].
<li>Begin enforcing [SQLITE_LIMIT_VDBE_OP].  The documentation has always
    warned that this limit might be enforced in the future.  That day has
    now come.
<li>Other performance improvements. Uses about [CPU cycles used|6.5% fewer CPU cycles].
<p><b>Bug Fixes:</b>
<li>Throw an error if the ON clause of a LEFT JOIN references tables
    to the right of the ON clause.  This is the same behavior as
    PostgreSQL.  Formerly, SQLite silently converted the LEFT JOIN
    into an INNER JOIN.  Fix for ticket
    [https://www.sqlite.org/src/info/25e335f802dd|25e335f802dd].








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<li>Enhance the [SQLITE_DIRECT_OVERFLOW_READ] option so that it works
    in [WAL mode] as long as the pages being read are not in the WAL file.
<li>Enhance the 
    [https://www.sqlite.org/src/doc/trunk/doc/lemon.html|LEMON parser generator]
    so that it can store the parser object as a stack variable rather than 
    allocating space from the heap and make use of that enhancement in
    the [amalgamation].



<li>Other performance improvements. Uses about [CPU cycles used|6.5% fewer CPU cycles].
<p><b>Bug Fixes:</b>
<li>Throw an error if the ON clause of a LEFT JOIN references tables
    to the right of the ON clause.  This is the same behavior as
    PostgreSQL.  Formerly, SQLite silently converted the LEFT JOIN
    into an INNER JOIN.  Fix for ticket
    [https://www.sqlite.org/src/info/25e335f802dd|25e335f802dd].
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