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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 | # DBI 0.7 (2017-06-17)
- Import updated specs from `DBItest`.
- The default implementation of `dbGetQuery()` now accepts an `n` argument and forwards it to `dbFetch()`. No warning about pending rows is issued anymore (#76).
- Require R >= 3.0.0 (for `slots` argument of `setClass()`) (#169, @mvkorpel).
# DBI 0.6-1 (2017-04-01)
- Fix `dbReadTable()` for backends that do not provide their own implementation (#171).
# DBI 0.6 (2017-03-08)
- Interface changes
- Deprecated `dbDriver()` and `dbUnloadDriver()` by documentation (#21).
- Renamed arguments to `sqlInterpolate()` and `sqlParseVariables()` to be more consistent with the rest of the interface, and added `.dots` argument to `sqlParseVariables`. DBI drivers are now expected to implement `sqlParseVariables(conn, sql, ..., .dots)` and `sqlInterpolate(conn, sql, ...)` (#147).
- Interface enhancements
- Removed `valueClass = "logical"` for those generics where the return value is meaningless, to allow backends to return invisibly (#135).
- Avoiding using braces in the definitions of generics if possible, so that standard generics can be detected (#146).
- Added default implementation for `dbReadTable()`.
- All standard generics are required to have an ellipsis (with test), for future extensibility. - Improved default implementation of `dbQuoteString()` and `dbQuoteIdentifier()` (#77).
- Removed `tryCatch()` call in `dbGetQuery()` (#113).
- Documentation improvements
- Finalized first draft of DBI specification, now in a vignette.
- Most methods now draw documentation from `DBItest`, only those where the behavior is not finally decided don't do this yet yet.
- Removed `max.connections` requirement from documentation (#56).
- Improved `dbBind()` documentation and example (#136).
- Change `omegahat.org` URL to `omegahat.net`, the particular document still doesn't exist below the new domain.
- Internal
- Use roxygen2 inheritance to copy DBI specification to this package.
- Use `tic` package for building documentation.
- Use markdown in documentation.
# DBI 0.5-1 (2016-09-09)
- Documentation and example updates.
# DBI 0.5 (2016-08-11, CRAN release)
- Interface changes
- `dbDataType()` maps `character` values to `"TEXT"` by default (#102).
- The default implementation of `dbQuoteString()` doesn't call `encodeString()` anymore: Neither SQLite nor Postgres understand e.g. `\n` in a string literal, and all of SQLite, Postgres, and MySQL accept an embedded newline (#121).
- Interface enhancements
- New `dbSendStatement()` generic, forwards to `dbSendQuery()` by default (#20, #132).
- New `dbExecute()`, calls `dbSendStatement()` by default (#109, @bborgesr).
- New `dbWithTransaction()` that calls `dbBegin()` and `dbCommit()`, and `dbRollback()` on failure (#110, @bborgesr).
- New `dbBreak()` function which allows aborting from within `dbWithTransaction()` (#115, #133).
- Export `dbFetch()` and `dbQuoteString()` methods.
- Documentation improvements:
- One example per function (except functions scheduled for deprecation) (#67).
- Consistent layout and identifier naming.
- Better documentation of generics by adding links to the class and related generics in the "See also" section under "Other DBI... generics" (#130). S4 documentation is directed to a hidden page to unclutter documentation index (#59).
- Fix two minor vignette typos (#124, @mdsumner).
- Add package documentation.
- Remove misleading parts in `dbConnect()` documentation (#118).
- Remove misleading link in `dbDataType()` documentation.
- Remove full stop from documentation titles.
- New help topic "DBIspec" that contains the full DBI specification (currently work in progress) (#129).
- HTML documentation generated by `staticdocs` is now uploaded to http://rstats-db.github.io/DBI for each build of the "production" branch (#131).
- Further minor changes and fixes.
- Internal
- Use `contains` argument instead of `representation()` to denote base classes (#93).
- Remove redundant declaration of transaction methods (#110, @bborgesr).
# DBI 0.4-1 (2016-05-07, CRAN release)
- The default `show()` implementations silently ignore all errors. Some DBI drivers (e.g., RPostgreSQL) might fail to implement `dbIsValid()` or the other methods used.
# DBI 0.4 (2016-04-30)
* New package maintainer: Kirill Müller.
* `dbGetInfo()` gains a default method that extracts the information from
`dbGetStatement()`, `dbGetRowsAffected()`, `dbHasCompleted()`, and
`dbGetRowCount()`. This means that most drivers should no longer need to
implement `dbGetInfo()` (which may be deprecated anyway at some point) (#55).
* `dbDataType()` and `dbQuoteString()` are now properly exported.
* The default implementation for `dbDataType()` (powered by `dbiDataType()`) now
also supports `difftime` and `AsIs` objects and lists of `raw` (#70).
* Default `dbGetQuery()` method now always calls `dbFetch()`, in a `tryCatch()`
block.
* New generic `dbBind()` for binding values to a parameterised query.
* DBI gains a number of SQL generation functions. These make it easier to
write backends by implementing common operations that are slightly
tricky to do absolutely correctly.
* `sqlCreateTable()` and `sqlAppendTable()` create tables from a data
frame and insert rows into an existing table. These will power most
implementations of `dbWriteTable()`. `sqlAppendTable()` is useful
for databases that support parameterised queries.
* `sqlRownamesToColumn()` and `sqlColumnToRownames()` provide a standard
way of translating row names to and from the database.
* `sqlInterpolate()` and `sqlParseVariables()` allows databases without
native parameterised queries to use parameterised queries to avoid
SQL injection attacks.
* `sqlData()` is a new generic that converts a data frame into a data
frame suitable for sending to the database. This is used to (e.g.)
ensure all character vectors are encoded as UTF-8, or to convert
R varible types (like factor) to types supported by the database.
* The `sqlParseVariablesImpl()` is now implemented purely in R, with full
test coverage (#83, @hannesmuehleisen).
* `dbiCheckCompliance()` has been removed, the functionality is now available
in the `DBItest` package (#80).
* Added default `show()` methods for driver, connection and results.
* New concrete `ANSIConnection` class and `ANSI()` function to generate a dummy
ANSI compliant connection useful for testing.
* Default `dbQuoteString()` and `dbQuoteIdentifer()` methods now use
`encodeString()` so that special characters like `\n` are correctly escaped.
`dbQuoteString()` converts `NA` to (unquoted) NULL.
* The initial DBI proposal and DBI version 1 specification are now included as
a vignette. These are there mostly for historical interest.
* The new `DBItest` package is described in the vignette.
* Deprecated `print.list.pairs()`.
* Removed unused `dbi_dep()`.
# Version 0.3.1
* Actually export `dbIsValid()` :/
* `dbGetQuery()` uses `dbFetch()` in the default implementation.
# Version 0.3.0
## New and enhanced generics
* `dbIsValid()` returns a logical value describing whether a connection or
result set (or other object) is still valid. (#12).
* `dbQuoteString()` and `dbQuoteIdentifier()` to implement database specific
quoting mechanisms.
* `dbFetch()` added as alias to `fetch()` to provide consistent name.
Implementers should define methods for both `fetch()` and `dbFetch()` until
`fetch()` is deprecated in 2015. For now, the default method for `dbFetch()`
calls `fetch()`.
* `dbBegin()` begins a transaction (#17). If not supported, DB specific
methods should throw an error (as should `dbCommit()` and `dbRollback()`).
## New default methods
* `dbGetStatement()`, `dbGetRowsAffected()`, `dbHasCompleted()`, and
`dbGetRowCount()` gain default methods that extract the appropriate elements
from `dbGetInfo()`. This means that most drivers should no longer need to
implement these methods (#13).
* `dbGetQuery()` gains a default method for `DBIConnection` which uses
`dbSendQuery()`, `fetch()` and `dbClearResult()`.
## Deprecated features
* The following functions are soft-deprecated. They are going away,
and developers who use the DBI should begin preparing. The formal deprecation
process will begin in July 2015, where these function will emit warnings
on use.
* `fetch()` is replaced by `dbFetch()`.
* `make.db.names()`, `isSQLKeyword()` and `SQLKeywords()`: a black list
based approach is fundamentally flawed; instead quote strings and
identifiers with `dbQuoteIdentifier()` and `dbQuoteString()`.
* `dbGetDBIVersion()` is deprecated since it's now just a thin wrapper
around `packageVersion("DBI")`.
* `dbSetDataMappings()` (#9) and `dbCallProc()` (#7) are deprecated as no
implementations were ever provided.
## Other improvements
* `dbiCheckCompliance()` makes it easier for implementors to check that their
package is in compliance with the DBI specification.
* All examples now use the RSQLite package so that you can easily try out
the code samples (#4).
* `dbDriver()` gains a more effective search mechanism that doesn't rely on
packages being loaded (#1).
* DBI has been converted to use roxygen2 for documentation, and now most
functions have their own documentation files. I would love your feedback
on how we could make the documentation better!
# Version 0.2-7
* Trivial changes (updated package fields, daj)
# Version 0.2-6
* Removed deprecated \synopsis in some Rd files (thanks to Prof. Ripley)
# Version 0.2-5
* Code cleanups contributed by Matthias Burger: avoid partial argument
name matching and use TRUE/FALSE, not T/F.
* Change behavior of make.db.names.default to quote SQL keywords if
allow.keywords is FALSE. Previously, SQL keywords would be name
mangled with underscores and a digit. Now they are quoted using
'"'.
# Version 0.2-4
* Changed license from GPL to LPGL
* Fixed a trivial typo in documentation
# Version 0.1-10
* Fixed documentation typos.
# Version 0.1-9
* Trivial changes.
# Version 0.1-8
* A trivial change due to package.description() being deprecated in 1.9.0.
# Version 0.1-7
* Had to do a substantial re-formatting of the documentation
due to incompatibilities introduced in 1.8.0 S4 method
documentation. The contents were not changed (modulo fixing
a few typos). Thanks to Kurt Hornik and John Chambers for
their help.
# Version 0.1-6
* Trivial documentation changes (for R CMD check's sake)
# Version 0.1-5
* Removed duplicated setGeneric("dbSetDataMappings")
# Version 0.1-4
* Removed the "valueClass" from some generic functions, namely,
dbListConnections, dbListResults, dbGetException, dbGetQuery,
and dbGetInfo. The reason is that methods for these generics
could potentially return different classes of objects (e.g.,
the call dbGetInfo(res) could return a list of name-value pairs,
while dbGetInfo(res, "statement") could be a character vector).
* Added 00Index to inst/doc
* Added dbGetDBIVersion() (simple wrapper to package.description).
# Version 0.1-3
* ??? Minor changes?
# Version 0.1-2
* An implementation based on version 4 classes and methods.
* Incorporated (mostly Tim Keitt's) comments.
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