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Overview
| Comment: | Simplifications to the description of the nByte parameter to sqlite3_prepare() and friends. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
4bee8295e36fb61f903210b6d052ee9b |
| User & Date: | drh 2015-02-26 02:33:52 |
Context
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2015-02-26
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| 16:32 | Fix a real bug (in test code) that was introduced while trying to eliminate harmless compiler warnings from OpenBSD (see check-in [10321910990195878c]). check-in: a62ba58c user: drh tags: trunk | |
| 14:27 | In the command-line shell, change the units on the ".width" directive from bytes to characters. Leaf check-in: b1a9e291 user: drh tags: cli-char-width | |
| 02:33 | Simplifications to the description of the nByte parameter to sqlite3_prepare() and friends. check-in: 4bee8295 user: drh tags: trunk | |
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2015-02-25
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| 14:25 | Make sure the sqlite3_mutex.id field is initialized in the Win32 mutex implementation, even when SQLITE_DEBUG is turned off. check-in: 6d132e7a user: drh tags: trunk | |
Changes
Changes to src/sqlite.h.in.
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** [sqlite3_open16()]. The database connection must not have been closed. ** ** The second argument, "zSql", is the statement to be compiled, encoded ** as either UTF-8 or UTF-16. The sqlite3_prepare() and sqlite3_prepare_v2() ** interfaces use UTF-8, and sqlite3_prepare16() and sqlite3_prepare16_v2() ** use UTF-16. ** ** ^If the nByte argument is less than zero, then zSql is read up to the ** first zero terminator. ^If nByte is non-negative, then it is the maximum ** number of bytes read from zSql. ^When nByte is non-negative, the ** zSql string ends at either the first '\000' or '\u0000' character or ** the nByte-th byte, whichever comes first. If the caller knows ** that the supplied string is nul-terminated, then there is a small ** performance advantage to be gained by passing an nByte parameter that ** is equal to the number of bytes in the input string <i>including</i> ** the nul-terminator bytes as this saves SQLite from having to ** make a copy of the input string. ** ** ^If pzTail is not NULL then *pzTail is made to point to the first byte ** past the end of the first SQL statement in zSql. These routines only ** compile the first statement in zSql, so *pzTail is left pointing to ** what remains uncompiled. ** ** ^*ppStmt is left pointing to a compiled [prepared statement] that can be |
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** [sqlite3_open16()]. The database connection must not have been closed. ** ** The second argument, "zSql", is the statement to be compiled, encoded ** as either UTF-8 or UTF-16. The sqlite3_prepare() and sqlite3_prepare_v2() ** interfaces use UTF-8, and sqlite3_prepare16() and sqlite3_prepare16_v2() ** use UTF-16. ** ** ^If the nByte argument is negative, then zSql is read up to the ** first zero terminator. ^If nByte is positive, then it is the ** number of bytes read from zSql. ^If nByte is zero, then no prepared ** statement is generated. ** If the caller knows that the supplied string is nul-terminated, then ** there is a small performance advantage to passing an nByte parameter that ** is the number of bytes in the input string <i>including</i> ** the nul-terminator. ** ** ^If pzTail is not NULL then *pzTail is made to point to the first byte ** past the end of the first SQL statement in zSql. These routines only ** compile the first statement in zSql, so *pzTail is left pointing to ** what remains uncompiled. ** ** ^*ppStmt is left pointing to a compiled [prepared statement] that can be |