module OGR::LayerMixins::OGRSQLMethods
Public Instance Methods
commit_transaction()
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@raise [OGR::Failure]
# File lib/ogr/layer_mixins/ogr_sql_methods.rb, line 12 def commit_transaction transact { FFI::OGR::API.OGR_L_CommitTransaction(@c_pointer) } end
fid_column()
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The name of the underlying database column or “” if not supported.
@return [String]
# File lib/ogr/layer_mixins/ogr_sql_methods.rb, line 24 def fid_column name, ptr = FFI::OGR::API.OGR_L_GetFIDColumn(@c_pointer) ptr.autorelease = false name end
geometry_column()
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The name of the underlying database column being used as the geometry column. Returns “” if not supported.
@return [String]
# File lib/ogr/layer_mixins/ogr_sql_methods.rb, line 35 def geometry_column name, ptr = FFI::OGR::API.OGR_L_GetGeometryColumn(@c_pointer) ptr.autorelease = false name end
rollback_transaction()
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@raise [OGR::Failure]
# File lib/ogr/layer_mixins/ogr_sql_methods.rb, line 17 def rollback_transaction transact { FFI::OGR::API.OGR_L_RollbackTransaction(@c_pointer) } end
start_transaction()
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@raise [OGR::Failure]
# File lib/ogr/layer_mixins/ogr_sql_methods.rb, line 7 def start_transaction transact { FFI::OGR::API.OGR_L_StartTransaction(@c_pointer) } end
Private Instance Methods
transact() { || ... }
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@raise [OGR::Failure]
# File lib/ogr/layer_mixins/ogr_sql_methods.rb, line 45 def transact raise OGR::UnsupportedOperation, "This layer does not support transactions." unless supports_transactions? ogr_err = yield OGR::ErrorHandling.handle_ogr_err("Unable to set geometry directly on feature") do ogr_err end end