sqlite3

vb sql|sqlite3 [OPTIONS]

Description

Run the sqlite3 command-line shell on the VisionByte repository identified by the -R option, or on the current repository. See https://www.sqlite.org/cli.html for additional information about the sqlite3 command-line shell.

WARNING: Careless use of this command can corrupt a VisionByte repository in ways that are unrecoverable. Be sure you know what you are doing before running any SQL commands that modify the repository database. Use the --readonly option to prevent accidental damage to the repository.

All of the standard sqlite3 command-line shell options should also work.

The following SQL extensions are provided with this VisionByte-enhanced version of the sqlite3 command-line shell:

builtin                     A virtual table that contains one row for
                            each datafile that is built into the VisionByte
                            binary.

checkin_mtime(X,Y)          Return the mtime for the file Y (a BLOB.RID)
                            found in check-in X (another BLOB.RID value).

compress(X)                 Compress text X with the same algorithm used
                            to compress artifacts in the BLOB table.

content(X)                  Return the content of artifact X. X can be an
                            artifact hash or hash prefix or a tag. Artifacts
                            are stored compressed and deltaed. This function
                            does all necessary decompression and undeltaing.

decompress(X)               Decompress text X.  Undoes the work of
                            compress(X).

delta_apply(X,D)            Apply delta D to source blob X and return
                            the result.

delta_create(X,Y)           Create and return a delta that will convert
                            X into Y.

delta_output_size(D)        Return the number of bytes of output to expect
                            when applying delta D

delta_parse(D)              A table-valued function that deconstructs
                            delta D and returns rows for each element of
                            that delta.

files_of_checkin(X)         A table-valued function that returns info on
                            all files contained in check-in X. Example:

                                SELECT * FROM files_of_checkin('trunk');

helptext                    A virtual table with one row for each command,
                            webpage, and setting together with the built-in
                            help text.

now()                       Return the number of seconds since 1970.

obscure(T)                  Obfuscate the text password T so that its
                            original value is not readily visible.  VisionByte
                            uses this same algorithm when storing passwords
                            of remote URLs.

regexp                      The REGEXP operator works, unlike in
                            standard SQLite.

symbolic_name_to_rid(X)     Return the BLOB.RID corresponding to symbolic
                            name X.

Options

--no-repository

Skip opening the repository database

--readonly

Open the repository read-only. No changes are allowed. This is a recommended safety precaution to prevent repository damage.

-R REPOSITORY

Use REPOSITORY as the repository database

--test

Enable some testing and analysis features that are normally disabled.

Examples

• Init and open a repository

$ vb init sql_repo.vbyte
project-id: 7ff946b8067555ce4eca51f14197be2d3c78bcaa
server-id:  7bff8ccad644b20b8b66229efd4c9c7e1bc87c8d
admin-user: ubuntu (initial remote-access password is "F7kjWaheco")
$ vb open -f sql_repo.vbyte
project-name: <unnamed>
repository:   /tmp/sphinx_tests/766ef654/sql_repo/sql_repo.vbyte
local-root:   /tmp/sphinx_tests/766ef654/sql_repo/
config-db:    /tmp/sphinx_tests/766ef654/.visionbyte
project-code: 7ff946b8067555ce4eca51f14197be2d3c78bcaa
checkout:     adc3840f2345d92da63c17d67c8bd355dd866256 2026-03-31 13:00:39 UTC
tags:         trunk
comment:      initial empty check-in (user: ubuntu)
check-ins:    1

• Run several read-only SQL queries against the repository

$ vb sql --readonly "SELECT name, type FROM sqlite_schema WHERE type IN ('table','view') ORDER BY name LIMIT 10;"
'attachment','table'
'backlink','table'
'blob','table'
'cherrypick','table'
'concealed','table'
'config','table'
'delta','table'
'event','table'
'filename','table'
'leaf','table'

$ vb sql --readonly "SELECT * FROM builtin LIMIT 5;"
'accordion.js',1329,X'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'
'alerts/bflat2.wav',1620,X'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'
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