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%% Copyright (c) 2023 Peter Morgan <peter.james.morgan@gmail.com> |
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%% |
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%% Licensed under the Apache License, Version 2.0 (the "License"); |
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%% you may not use this file except in compliance with the License. |
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%% You may obtain a copy of the License at |
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%% |
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%% http://www.apache.org/licenses/LICENSE-2.0 |
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%% |
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%% Unless required by applicable law or agreed to in writing, software |
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%% distributed under the License is distributed on an "AS IS" BASIS, |
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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%% See the License for the specific language governing permissions and |
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%% limitations under the License. |
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-module(msmp_column_definition). |
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-feature(maybe_expr, enable). |
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-export([decode/0]). |
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-include_lib("kernel/include/logger.hrl"). |
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decode() -> |
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fun |
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(Input) -> |
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?LOG_DEBUG(#{input => Input}), |
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(scran_result:into_map( |
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scran_sequence:sequence( |
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[scran_result:kv( |
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catalog, |
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msmp_string_length_encoded:decode()), |
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scran_result:kv( |
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schema, |
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msmp_string_length_encoded:decode()), |
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scran_result:kv( |
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table, |
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msmp_string_length_encoded:decode()), |
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scran_result:kv( |
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org_table, |
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msmp_string_length_encoded:decode()), |
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scran_result:kv( |
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name, |
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msmp_string_length_encoded:decode()), |
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scran_result:kv( |
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org_name, |
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msmp_string_length_encoded:decode()), |
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scran_result:kv( |
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length_of_fixed_length_fields, |
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msmp_integer_variable:decode()), |
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scran_result:kv( |
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character_set, |
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msmp_integer_fixed:decode(2)), |
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scran_result:kv( |
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column_length, |
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msmp_integer_fixed:decode(4)), |
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scran_result:kv( |
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type, |
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scran_combinator:map_result( |
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msmp_integer_fixed:decode(1), |
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fun msmp_field:lookup/1)), |
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scran_result:kv( |
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flags, |
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scran_combinator:map_result( |
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msmp_integer_fixed:decode(2), |
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fun msmp_column_definition_flags:decode/1)), |
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scran_result:kv( |
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decimals, |
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msmp_integer_fixed:decode(1)), |
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scran_result:kv( |
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reserved0, |
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scran_bytes:take(2)), |
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scran_result:kv( |
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action, |
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scran_combinator:value( |
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column_definition, |
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scran_combinator:eof()))])))(Input) |
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end. |