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Overview
| Comment: | Improvements to the documentation for SQLITE_PREPARE_PERSISTENT. No code changes. |
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| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA3-256: |
265778142485882f39edfb5756175b26 |
| User & Date: | drh 2017-07-13 22:03:34 |
Context
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2017-07-13
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| 22:39 | Improved documentation for the new sqlite3_bind_pointer() interface and its cousins. check-in: 889968bd user: drh tags: trunk | |
| 22:03 | Improvements to the documentation for SQLITE_PREPARE_PERSISTENT. No code changes. check-in: 26577814 user: drh tags: trunk | |
| 20:11 | Fix documentation typo. No changes to code. check-in: 9319f7b7 user: drh tags: trunk | |
Changes
Changes to src/sqlite.h.in.
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** "prepFlags" parameter of the [sqlite3_prepare_v3()] and ** [sqlite3_prepare16_v3()] interfaces. ** ** New flags may be added in future releases of SQLite. ** ** <dl> ** [[SQLITE_PREPARE_PERSISTENT]] ^(<dt>SQLITE_PREPARE_PERSISTENT</dt> ** <dd>The SQLITE_PREPARE_PERSISTENT flag causes [sqlite3_prepare_v3()] ** and [sqlite3_prepare16_v3()] ** to optimize the resulting prepared statement to be retained for a ** relatively long amount of time.)^ ^Without this flag, ** [sqlite3_prepare_v3()] and [sqlite3_prepare16_v3()] assume that ** the prepared statement will be used just once or at most a few times ** and then destroyed using [sqlite3_finalize()] relatively soon. ** </dl> */ #define SQLITE_PREPARE_PERSISTENT 0x01 /* ** CAPI3REF: Compiling An SQL Statement ** KEYWORDS: {SQL statement compiler} |
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** "prepFlags" parameter of the [sqlite3_prepare_v3()] and ** [sqlite3_prepare16_v3()] interfaces. ** ** New flags may be added in future releases of SQLite. ** ** <dl> ** [[SQLITE_PREPARE_PERSISTENT]] ^(<dt>SQLITE_PREPARE_PERSISTENT</dt> ** <dd>The SQLITE_PREPARE_PERSISTENT flag is a hint to the query planner ** that the prepared statement will be retained for a long time and ** probably reused many times. ^Without this flag, [sqlite3_prepare_v3()] ** and [sqlite3_prepare16_v3()] assume that the prepared statement will ** be used just once or at most a few times and then destroyed using ** [sqlite3_finalize()] relatively soon. The current implementation acts ** on this hint by avoiding the use of [lookaside memory] so as not to ** deplete the limited store of lookaside memory. Future versions of ** SQLite may act on this hint differently. ** </dl> */ #define SQLITE_PREPARE_PERSISTENT 0x01 /* ** CAPI3REF: Compiling An SQL Statement ** KEYWORDS: {SQL statement compiler} |