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Overview
| Comment: | Fix a typo in the datatype3.html document. |
|---|---|
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
9fec2f9dda4a73821163898ac0e7c867 |
| User & Date: | drh 2010-08-09 14:30:57 |
Context
|
2010-08-09
| ||
| 15:45 | Fix a bunch of documentation typos reported on the mailing list. check-in: d9e242f92a user: drh tags: trunk | |
| 14:30 | Fix a typo in the datatype3.html document. check-in: 9fec2f9dda user: drh tags: trunk | |
|
2010-08-06
| ||
| 17:49 | First draft of the queryplanner.html document. check-in: 1da52815fa user: drh tags: trunk | |
Changes
Changes to pages/datatype3.in.
338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 |
<ul>
<li><p>^An expression that is a simple reference to a column value
has the same affinity as the column.
^(Note that if X and Y.Z
are column names, then +X and +Y.Z are considered expressions for the
purpose of determining affinity.)^</p>
<li><p>^(An expression of the form "CAST(<i>expr</i> TO <i>type</i>)"
has an affinity that is the same as a column with a declared
type of "<i>type</i>".)^
<li><p>^Otherwise, an expression has NONE affinity.
</ul>
<tcl>hd_fragment compaff {comparison affinity rules}</tcl>
|
| |
338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 |
<ul>
<li><p>^An expression that is a simple reference to a column value
has the same affinity as the column.
^(Note that if X and Y.Z
are column names, then +X and +Y.Z are considered expressions for the
purpose of determining affinity.)^</p>
<li><p>^(An expression of the form "CAST(<i>expr</i> AS <i>type</i>)"
has an affinity that is the same as a column with a declared
type of "<i>type</i>".)^
<li><p>^Otherwise, an expression has NONE affinity.
</ul>
<tcl>hd_fragment compaff {comparison affinity rules}</tcl>
|