diff options
Diffstat (limited to 'odb/options.cli')
-rw-r--r-- | odb/options.cli | 56 |
1 files changed, 38 insertions, 18 deletions
diff --git a/odb/options.cli b/odb/options.cli index 97bc48a..a8ff86d 100644 --- a/odb/options.cli +++ b/odb/options.cli @@ -48,8 +48,8 @@ class options ::database --database | -d { "<db>", - "Generate code for the <db> database. Valid values are \cb{mysql}, - \cb{oracle}, \cb{pgsql}, and \cb{sqlite}." + "Generate code for the <db> database. Valid values are \cb{mssql}, + \cb{mysql}, \cb{oracle}, \cb{pgsql}, and \cb{sqlite}." }; bool --generate-query | -q @@ -69,9 +69,9 @@ class options Depending on the database being used (\cb{--database} option), the schema is generated either as a standalone SQL file or embedded into the generated C++ code. By default the SQL file is generated for - the MySQL, PostgreSQL, and Oracle databases and the schema is embedded - into the C++ code for the SQLite database. Use the \cb{--schema-format} - option to alter the default schema format." + the MySQL, PostgreSQL, Oracle, and Microsoft SQL Server databases + and the schema is embedded into the C++ code for the SQLite database. + Use the \cb{--schema-format} option to alter the default schema format." }; std::set< ::schema_format> --schema-format @@ -427,6 +427,26 @@ class options bool --trace {"Trace the compilation process."}; // + // SQL Server-specific options. + // + + unsigned int --mssql-short-limit = 256 + { + "<size>", + "Specify the short data size limit. If character, national character, + or binary data type has a maximum length (in bytes) less than this + limit, then it is treated as \i{short data}, otherwise it is \i{long + data}. For short data ODB pre-allocates an intermediate buffer of + the maximum size and binds it directly to a parameter or result + column. This way the underlying API (ODBC) can read/write directly + from/to this buffer. In the case of long data, the data is read/written + in chunks using the \cb{SQLGetData()}/\cb{SQLPutData()} ODBC functions. + While the long data approach reduces the amount of memory used by the + application, it may require greater CPU resources. The default short + data limit is 256 bytes." + }; + + // // MySQL-specific options. // @@ -441,19 +461,6 @@ class options }; // - // SQLite-specific options. - // - - bool --sqlite-lax-auto-id - { - "Do not force monotonically increasing automatically-assigned - object ids. In this mode the generated database schema omits the - \cb{AUTOINCREMENT} keyword which results in faster object persistence - but may lead to automatically-assigned ids not being in a strictly - ascending order. Refer to the SQLite documentation for details." - }; - - // // Oracle-specific options. // @@ -465,4 +472,17 @@ class options version-specific optimizations in the generated C++ code. The version must be in the \c{\i{major}\b{.}\i{minor}} form, for example, \cb{11.2}." }; + + // + // SQLite-specific options. + // + + bool --sqlite-lax-auto-id + { + "Do not force monotonically increasing automatically-assigned + object ids. In this mode the generated database schema omits the + \cb{AUTOINCREMENT} keyword which results in faster object persistence + but may lead to automatically-assigned ids not being in a strictly + ascending order. Refer to the SQLite documentation for details." + }; }; |