Class: Google::Spanner::V1::ExecuteBatchDmlRequest::Statement

Inherits:
Object
  • Object
show all
Defined in:
lib/google/cloud/spanner/v1/doc/google/spanner/v1/spanner.rb

Overview

A single DML statement.

Instance Attribute Summary collapse

Instance Attribute Details

#param_types ⇒ Hash{String => Google::Spanner::V1::Type}

Returns It is not always possible for Cloud Spanner to infer the right SQL type from a JSON value. For example, values of type BYTES and values of type STRING both appear in params as JSON strings.

In these cases, param_types can be used to specify the exact SQL type for some or all of the SQL statement parameters. See the definition of Type for more information about SQL types.

Returns:

  • (Hash{String => Google::Spanner::V1::Type}) —

    It is not always possible for Cloud Spanner to infer the right SQL type from a JSON value. For example, values of type BYTES and values of type STRING both appear in params as JSON strings.

    In these cases, param_types can be used to specify the exact SQL type for some or all of the SQL statement parameters. See the definition of Type for more information about SQL types.



282
 
# File 'lib/google/cloud/spanner/v1/doc/google/spanner/v1/spanner.rb', line 282

class Statement; end

#params ⇒ Google::Protobuf::Struct

Returns The DML string can contain parameter placeholders. A parameter placeholder consists of '@' followed by the parameter name. Parameter names consist of any combination of letters, numbers, and underscores.

Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: "WHERE id > @msg_id AND id < @msg_id + 100"

It is an error to execute an SQL statement with unbound parameters.

Parameter values are specified using params, which is a JSON object whose keys are parameter names, and whose values are the corresponding parameter values.

Returns:

  • (Google::Protobuf::Struct) —

    The DML string can contain parameter placeholders. A parameter placeholder consists of '@' followed by the parameter name. Parameter names consist of any combination of letters, numbers, and underscores.

    Parameters can appear anywhere that a literal value is expected. The same parameter name can be used more than once, for example: "WHERE id > @msg_id AND id < @msg_id + 100"

    It is an error to execute an SQL statement with unbound parameters.

    Parameter values are specified using params, which is a JSON object whose keys are parameter names, and whose values are the corresponding parameter values.



282
 
# File 'lib/google/cloud/spanner/v1/doc/google/spanner/v1/spanner.rb', line 282

class Statement; end

#sql ⇒ String

Returns Required. The DML string.

Returns:

  • (String) —

    Required. The DML string.



282
 
# File 'lib/google/cloud/spanner/v1/doc/google/spanner/v1/spanner.rb', line 282

class Statement; end