mirror of
https://github.com/moparisthebest/PhoneGap-SQLitePlugin-Android
synced 2024-11-11 19:45:03 -05:00
101 lines
3.0 KiB
Markdown
101 lines
3.0 KiB
Markdown
Phonegap SQLitePlugin
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=====================
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This is Joe Noon's fork of Phonegap-SQLitePlugin
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This fork lives at: https://github.com/joenoon/Phonegap-SQLitePlugin
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The original lives at: https://github.com/davibe/Phonegap-SQLitePlugin
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This fork has largely diverged from the original, and is not a drop-in
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replacement.
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DISCLAIMER:
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I'm brand new to objective-c, so there could be problems with my code!
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Please tell me. joenoon@gmail.com
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Added:
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- obj-c:
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- batch execution support
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- query parameter binding
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- perform after delay so js-objc call doesn't need to wait for response
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- callbacks moved out of instance and into options of each method call
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- path just takes filename, and path is put in Documents folder
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- added rowsAffected, insertId
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- success callback response is { insertId: x, rowsAffected: y, rows: z }
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- error callback response is { message: x }
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- js (coffeescript):
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- new implementation
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- first cut transaction support
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- callbacks per-statement, even within transaction
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- somewhat similar api to the webkit/phonegap default
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Removed:
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- quota limit webkit html5 db patching
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- exit from app
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- (I don't think either of these would make it through the approval process)
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Other notes:
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I played with the idea of batching responses into larger sets of
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writeJavascript on a timer, however there was only a barely noticeable
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performance gain. So I took it out, not worth it. However there is a
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massive performance gain by batching on the client-side to minimize
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PhoneGap.exec calls using the transaction support.
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Installing
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==========
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Drag .h and .m files into your project's Plugins folder (in xcode) -- I always
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just have "Create references" as the option selected.
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Compile the coffeescript file to javascript WITH the top-level function wrapper
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option (default).
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Use the resulting javascript file in your HTML.
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Look for the following to your project's PhoneGap.plist:
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<key>Plugins</key>
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<dict>
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...
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</dict>
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Insert this in there:
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<key>PGSQLitePlugin</key>
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<string>PGSQLitePlugin</string>
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General Usage
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=============
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(You're using Coffeescript right? Of course you are.)
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db = new PGSQLitePlugin("test_native.sqlite3")
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db.executeSql('DROP TABLE IF EXISTS test_table')
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db.executeSql('CREATE TABLE IF NOT EXISTS test_table (id integer primary key, data text, data_num integer)')
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db.transaction (tx) ->
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tx.executeSql [ "INSERT INTO test_table (data, data_num) VALUES (?,?)", "test", 100], (res) ->
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# success callback
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console.log "insertId: #{res.insertId} -- probably 1"
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console.log "rowsAffected: #{res.rowsAffected} -- should be 1"
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# check the count (not a part of the transaction)
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db.executeSql "select count(id) as cnt from test_table;", (res) ->
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console.log "rows.length: #{res.rows.length} -- should be 1"
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console.log "rows[0].cnt: #{res.rows[0].cnt} -- should be 1"
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, (e) ->
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# error callback
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console.log "ERROR: #{e.message}"
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