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|Comment:||Update documentation for CAST to integer to describe what happens when the integer is too large. This behavior is only supported on the latest trunk, so with this check-in the documentation is no longer suitable for use with 3.22.0.|
|Downloads:||Tarball | ZIP archive | SQL archive|
|Timelines:||family | ancestors | descendants | both | trunk|
|Files:||files | file ages | folders|
|User & Date:||drh 2018-01-26 18:38:34|
|20:56||Update zipfile documentation to include using the table-valued function to read an in-memory zip archive. (check-in: 5b698017df user: dan tags: trunk)|
|18:38||Update documentation for CAST to integer to describe what happens when the integer is too large. This behavior is only supported on the latest trunk, so with this check-in the documentation is no longer suitable for use with 3.22.0. (check-in: 6b1b360098 user: drh tags: trunk)|
|15:50||Turn on "fancy-format" for the optoverview.html document. (check-in: 98e66068fe user: drh tags: trunk)|
Changes to pages/lang.in.
2305 2305 <td> ^When casting a BLOB value to INTEGER, the value is first converted to 2306 2306 TEXT. 2307 2307 <p>^When casting a TEXT value to INTEGER, the longest possible prefix of 2308 2308 the value that can be interpreted as an integer number is extracted from 2309 2309 the TEXT value and the remainder ignored. ^Any leading spaces in the 2310 2310 TEXT value when converting from TEXT to INTEGER are ignored. ^If there 2311 2311 is no prefix that can be interpreted as an integer number, the result 2312 - of the conversion is 0. ^(The CAST operator understands decimal 2312 + of the conversion is 0. ^If the prefix integer is greater than 2313 + +9223372036854775807 then the result of the cast is exactly 2314 + +9223372036854775807. ^Similarly, if the prefix integer is 2315 + less than -9223372036854775808 then the result of the cast is 2316 + exactly -9223372036854775808. 2317 + 2318 + <p>^When casting to INTEGER, if the text looks like a floating point 2319 + value with an exponent, the exponent will be ignored because it is 2320 + no part of the integer prefix. ^For example, 2321 + "(CAST '123e+5' AS INTEGER)" results in 123, not in 12300000. 2322 + 2323 + <p> ^(The CAST operator understands decimal 2313 2324 integers only — conversion of [hexadecimal integers] stops 2314 2325 at the "x" in the "0x" prefix of the hexadecimal integer string 2315 2326 and thus result of the CAST is always zero.)^ 2316 2327 2317 2328 <p>^A cast of a REAL value into an INTEGER results in the integer 2318 2329 between the REAL value and zero that is closest to the REAL value. 2319 2330 ^If a REAL is greater than the greatest possible signed