Summary
Returns the value of a column in a result set
Prototype
stmt:get_value(n)
Description
Returns the value of column n in the result set of statement stmt. (The left-most column is number 0.)
See Also ...
Lua functions
context:aggregate_count - Returns the number of calls to the aggregate step function. context:get_aggregate_data - Returns the user-definable data field for callback functions. context:result - This function sets the result of a callback function to res. context:result_blob - This function sets the result of a callback function to the binary string in blob. context:result_error - This function sets the result of a callback function to the error value in err. context:result_int - This function sets the result of a callback function to the integer value in number context:result_null - This function sets the result of a callback function to nil. context:result_number - This function sets the result of a callback function to the value number. context:result_text - This function sets the result of a callback function to the string in str. context:set_aggregate_data - Set the user-definable data field for callback functions to udata. context:user_data - Returns the userdata parameter given in the call to install the callback function. db:busy_handler - Sets or removes a busy handler for a database db:busy_timeout - Sets a busy handler db:changes - Returns number of changes by the most recent SQL statement db:close - Closes a database db:close_vm - Finalizes all statements that have not been explicitly finalized db:create_aggregate - Creates an aggregate callback function db:create_collation - Creates a collation callback db:create_function - Creates a callback function db:errcode - Returns the most recent result code db:errmsg - Returns the most recent error message db:exec - Executes SQL statements db:interrupt - Interrupts any pending operation db:isopen - Tests if the database is open db:last_insert_rowid - Returns the key of the most recent insert into the database db:nrows - Creates an iterator that returns a table of rows from a SELECT - keyed by name db:prepare - Compiles an SQL statement db:progress_handler - Installs a progress callback function db:rows - Creates an iterator that returns a table of rows from a SELECT - numerically keyed db:total_changes - Returns total number of changes db:trace - Installs debug trace callback db:urows - Creates an iterator that returns the rows from a SELECT sqlite3.complete - Checks for a complete SQL statement sqlite3.open - Opens or creates a database sqlite3.open_memory - Opens a database in memory sqlite3.version - Returns the SQLite version stmt:bind - Binds a value to a parameter stmt:bind_blob - Binds a blob to a parameter stmt:bind_names - Binds values in a table to parameters stmt:bind_parameter_count - Returns the largest parameter index stmt:bind_parameter_name - Returns the name of the n'th paremeter stmt:bind_values - Binds values to parameters stmt:columns - Returns number of columns in the result set stmt:finalize - Frees a prepared statement stmt:get_name - Returns the name of a column in a result set stmt:get_named_types - Returns a table of names and types for the columns in a result set stmt:get_named_values - Returns a table of names and values for the columns in a result set stmt:get_names - Returns a table of the names of all columns in a result set stmt:get_type - Returns the type of a column in a result set stmt:get_types - Returns a table of the types of all columns in a result set stmt:get_unames - Returns a list of names of the columns in a result set stmt:get_utypes - Returns a list of types of the columns in a result set stmt:get_uvalues - Returns a list of values of the columns in a result set stmt:get_values - Returns a table of the values of all columns in a result set stmt:isopen - Checks if the statement is open stmt:nrows - Creates an iterator that returns a table of rows from a SELECT - keyed by name stmt:reset - Resets an SQL statement, so it can be executed again stmt:rows - Creates an iterator that returns a table of rows from a SELECT - numerically keyed stmt:step - Executes a previously-prepared SQL statement stmt:urows - Creates an iterator that returns the rows from a SELECT
Topics
Database (SQLite) Lua script extensions Lua SQLite (database) interface Lua syntax Scripting Scripting callbacks - plugins
(Help topic: lua=stmt:get_value)
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