Module: ArJdbc::Abstract::DatabaseStatements

Included in:
ActiveRecord::ConnectionAdapters::JdbcAdapter, ActiveRecord::ConnectionAdapters::Mysql2Adapter, ActiveRecord::ConnectionAdapters::PostgreSQLAdapter, ActiveRecord::ConnectionAdapters::SQLite3Adapter
Defined in:
lib/arjdbc/abstract/database_statements.rb

Overview

This provides the basic interface for interacting with the database for JDBC based adapters

Constant Summary collapse

NO_BINDS = 
[].freeze

Instance Method Summary collapse

Instance Method Details

#exec_insert(sql, name = nil, binds = NO_BINDS, pk = nil, sequence_name = nil, returning: nil) ⇒ Object 



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# File 'lib/arjdbc/abstract/database_statements.rb', line 12

def exec_insert(sql, name = nil, binds = NO_BINDS, pk = nil, sequence_name = nil, returning: nil)
  sql = transform_query(sql)

  if preventing_writes?
    raise ActiveRecord::ReadOnlyError, "Write query attempted while in readonly mode: #{sql}"
  end

  mark_transaction_written_if_write(sql)

  binds = convert_legacy_binds_to_attributes(binds) if binds.first.is_a?(Array)

  with_raw_connection do |conn|
    if without_prepared_statement?(binds)
      log(sql, name) { conn.execute_insert_pk(sql, pk) }
    else
      log(sql, name, binds) do
        conn.execute_insert_pk(sql, binds, pk)
      end
    end
  end
end

#exec_update(sql, name = 'SQL', binds = NO_BINDS) ⇒ Object Also known as: exec_delete 



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# File 'lib/arjdbc/abstract/database_statements.rb', line 60

def exec_update(sql, name = 'SQL', binds = NO_BINDS)
  sql = transform_query(sql)

  if preventing_writes?
    raise ActiveRecord::ReadOnlyError, "Write query attempted while in readonly mode: #{sql}"
  end

  mark_transaction_written_if_write(sql)

  binds = convert_legacy_binds_to_attributes(binds) if binds.first.is_a?(Array)

  with_raw_connection do |conn|
    if without_prepared_statement?(binds)
      log(sql, name) { conn.execute_update(sql) }
    else
      log(sql, name, binds) { conn.execute_prepared_update(sql, binds) }
    end
  end
end

#internal_exec_query(sql, name = nil, binds = NO_BINDS, prepare: false, async: false, allow_retry: false, materialize_transactions: true) ⇒ Object

It appears that at this point (AR 5.0) "prepare" should only ever be true if prepared statements are enabled



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# File 'lib/arjdbc/abstract/database_statements.rb', line 36

def internal_exec_query(sql, name = nil, binds = NO_BINDS, prepare: false, async: false, allow_retry: false, materialize_transactions: true)
  sql = transform_query(sql)

  if preventing_writes? && write_query?(sql)
    raise ActiveRecord::ReadOnlyError, "Write query attempted while in readonly mode: #{sql}"
  end

  mark_transaction_written_if_write(sql)

  binds = convert_legacy_binds_to_attributes(binds) if binds.first.is_a?(Array)

  with_raw_connection do |conn|
    if without_prepared_statement?(binds)
      log(sql, name, async: async) { conn.execute_query(sql) }
    else
      log(sql, name, binds, async: async) do
        # this is different from normal AR that always caches
        cached_statement = fetch_cached_statement(sql) if prepare && @jdbc_statement_cache_enabled
        conn.execute_prepared_query(sql, binds, cached_statement)
      end
    end
  end
end

#select_all(arel, name = nil, binds = NO_BINDS, preparable: nil, async: false) ⇒ Object

overridden to support legacy binds



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# File 'lib/arjdbc/abstract/database_statements.rb', line 82

def select_all(arel, name = nil, binds = NO_BINDS, preparable: nil, async: false)
  binds = convert_legacy_binds_to_attributes(binds) if binds.first.is_a?(Array)
  super
end