However, I'd like to know what I'm doing wrong. Then, I'll use some logic in the app to determine whether it's necessary to run another query to get the col value. I've found a ton of somewhat similar questions (most notably this), but I'm not seeing any that answer my question.Īs a workaround, I intend to simply run the query to get the table count. It's worth noting that I know the WHEN portion is working properly, because replacing SELECT col FROM current_only_table with SELECT 'col FROM current_only_table' I get col FROM current_only_table when the table exists and when it does not (as expected). Set up methods in your db to write the info you need to the proper table, and methods in your activity to call. You only need cursors to read data from the tables, not write. I'm expecting it to just run the ELSE portion. It is quite possible (and easy) to have multiple cursors open (although not really necessary) and take data from them and insert it into other tables.
#ANDROID SQLITE LIST TABLES HOW TO#
How to Add a Boolean Column in Android SQlite. As you can see, the tables list command begins with a dot (decimal), and you don't need a semi-colon at the end of the command. Clicking the save button calls the saveToDB () method. To generate a SQLite tables list, just log into your SQLite database with the sqlite3 command, and then issue the 'tables' dot command: sqlite>. I could create a column of INTEGER and store in it values 0 or 1, but it wont be the best way to implement. The Employer table has three main columns, the name, description and foundeddate columns.
I'm expecting to be able to do something like this: SELECT CASEĭoes not exist, I get a no such table error. What is the type for a BOOL value in SQLite I want to store in my table TRUE/FALSE values. SQLite is an in-process library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.SQLite is. Basically, I just need to figure out which database type the user has selected before I proceed. Let us get the official definition of SQLite Database.
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There are two completely different database versions that should be importable (current and legacy). Having said that, if you say can run SELECT queries, try: SELECT FROM sqlitemaster WHERE typetable. Or to see all tables ending with the string "ers", I'd use this list command:Īs a brief summary, if you needed to see how to create a list of SQLite tables, I hope these examples are helpful.In a desktop app, I'm trying to allow users to import data from another computer via SQLite. You have not said what extension you are running for SO members to be able to offer definitive help.
To limit the output to show only the tables beginning with the string "order", I use this command: This tutorial explains how you can get started with SQLite using Android. For instance, in my sample database I see the following tables when I issue the SQLite tables command:Ĭoffees customers order_items orders salespeople How To Create Android SQLite Database and Tables. The SQLite list tables command lists all the tables by default, but if you have a large database, and just want to see a subset of the tables in the database, you can pass the tables command the equivalent of a SQL LIKE statement. To generate a SQLite tables list, just log into your SQLite database with the sqlite3 command, and then issue the "tables" dot command:Īs you can see, the tables list command begins with a dot (decimal), and you don't need a semi-colon at the end of the command. SQLite FAQ: How do I list the tables in a SQLite database?
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