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60 lines
1.8 KiB
Groff
60 lines
1.8 KiB
Groff
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.\" Process this file with
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.\" groff -man -Tascii foo.1
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.\"
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.\" Copyright (c) 2007 Tokutek. All Rights Reserved.
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.TH DB_ENV->open 3 "November 2007" Tokutek "TokuDB Programmer's Manual"
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.SH NAME
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DB_ENV->open
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.SH SYNOPSIS
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.LP
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\fB #include <db.h>
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.br
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.sp
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.HP 13
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.BI "int DB_ENV->open(DB_ENV *" dbenv ", char *" db_home ", u_int32_t " flags " int " mode ");"
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.SH DESCRIPTION
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Open a TokuDB environment (which should previously have been created using \fBdb_env_create\fR, and which should eventually be closed using \fBDB_env->close()\fR.
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.SH PARAMETERS
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.IP \fIdbenv
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The environment.
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.IP \fIdb_home
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The name of the environment's directory if non-\fBNULL\fR. Can be
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either a relative pathame (relative to the current working directory),
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or an absolute pathname.
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if \fidb_home\fR is \fBNULL\fR and the \fBDB_USE_ENVIRON\fR or \fBDB_USE_ENVIRON_ROOT\fB flag is set, then the value of the
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\fBDB_HOME\fR environment variable is used.
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.IP \fIflags
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The \fIflags\fR parameter must be set to 0 or the bitwise or of one or more of the following values:
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..RS 4
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.IP \fBDB_INIT_LOCK
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.IP \fBDB_INIT_LOG
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.IP \fBDB_INIT_MPOOL
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.IP \fBDB_INIT_TXN
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.IP \fBDB_RECOVER
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.IP \fBDB_RECOVER_FATAL
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.IP \fBDB_USE_ENVIRON
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.IP \fBDB_USE_ENVIRON_ROOT
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.IP \fBDB_CREATE
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.IP \fBDB_PRIVATE
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.IP \fBDB_THREAD
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.SH RETURN VALUE
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.LP
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Returns zero on success, and nonzero on failure.
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.SH CONFORMING TO
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The TokuDB embedded database provides a subset of the functionality of
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the Berkeley DB. Programs that work with TokuDB probably work with
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with most versions of Berkeley DB with only recompilation or
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relinking. The database files are incompatible, however, so to
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convert from one library to the other you would need to dump the
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database with one library's tool and load it with the other's.
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.SH AUTHOR
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Tokutek, Inc.
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.SH COPYRIGHT
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Copyright (c) 2007 Tokutek. All Rights Reserved.
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