Class: FluentQuery::Drivers::Shared::Tokens::SQL::Insert

Inherits:
FluentQuery::Drivers::Shared::Tokens::SQLToken show all
Defined in:
lib/fluent-query/drivers/shared/tokens/sql/insert.rb

Overview

Generic SQL query INSERT token.

Constant Summary

Constants inherited from FluentQuery::Drivers::Shared::Tokens::SQLToken

FluentQuery::Drivers::Shared::Tokens::SQLToken::TRANSFORMER

Instance Method Summary collapse

Methods inherited from FluentQuery::Drivers::Shared::Tokens::SQLToken

#initialize

Constructor Details

This class inherits a constructor from FluentQuery::Drivers::Shared::Tokens::SQLToken

Instance Method Details

#render!(mode = nil) ⇒ Object 



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# File 'lib/fluent-query/drivers/shared/tokens/sql/insert.rb', line 24

def render!(mode = nil)
    processor = @_query.processor
    result = "INSERT INTO "

    @_subtokens.each do |token|
        arguments = token.arguments

        # INSERT token
        if token.name == :insert
            values = arguments.second.values

            # Checks for arguments
            if (not arguments.first.symbol?) or (not arguments.second.hash?)
               raise FluentQuery::Drivers::Exception::new("Symbol and Hash arguments expected for #insert method.")
            end

            # Process
            table = processor.quote_identifier(arguments.first)
            fields = processor.process_identifiers(arguments.second.keys)
            
            if mode == :prepare
                values = values.map do |item|
                    if item != ??
                        processor.quote_value(i)
                    else
                        item
                    end
                end
                
                values = values.join(', ')
            else
                values = processor.process_array(values)
            end
            
            result << table << " (" << fields << ") VALUES (" << values << ")"

        # Unknown tokens renders directly
        else
            result = self.unknown_token::new(@_driver, @_query, token).render!
        end
    end

    return result
end