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influxdb_fdw--1.2.sql
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/*-------------------------------------------------------------------------
*
* InfluxDB Foreign Data Wrapper for PostgreSQL
*
* Portions Copyright (c) 2020, TOSHIBA CORPORATION
*
* IDENTIFICATION
* influxdb_fdw--1.2.sql
*
*-------------------------------------------------------------------------
*/
CREATE FUNCTION influxdb_fdw_handler()
RETURNS fdw_handler
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT;
CREATE FUNCTION influxdb_fdw_validator(text[], oid)
RETURNS void
AS 'MODULE_PATHNAME'
LANGUAGE C STRICT;
CREATE OR REPLACE FUNCTION influxdb_fdw_version()
RETURNS pg_catalog.int4 STRICT
AS 'MODULE_PATHNAME' LANGUAGE C;
CREATE FOREIGN DATA WRAPPER influxdb_fdw
HANDLER influxdb_fdw_handler
VALIDATOR influxdb_fdw_validator;
CREATE FUNCTION influxdb_create_or_replace_stub(func_type text, name_arg text, return_type regtype) RETURNS BOOL AS $$
DECLARE
proname_raw text := split_part(name_arg, '(', 1);
proname text := ltrim(rtrim(proname_raw));
BEGIN
IF lower(func_type) = 'aggregation' OR lower(func_type) = 'aggregate' OR lower(func_type) = 'agg' OR lower(func_type) = 'a' THEN
DECLARE
proargs_raw text := right(name_arg, length(name_arg) - length(proname_raw));
proargs text := ltrim(rtrim(proargs_raw));
proargs_types text := right(left(proargs, length(proargs) - 1), length(proargs) - 2);
aggproargs text;
BEGIN
IF lower(proargs_types) = '*' THEN
aggproargs := '(text)';
ELSE
aggproargs := format('(%s, %s)', return_type, proargs_types);
END IF;
BEGIN
EXECUTE format('
CREATE FUNCTION %s_sfunc%s RETURNS %s IMMUTABLE AS $inner$
BEGIN
RAISE EXCEPTION ''stub %s_sfunc%s is called'';
RETURN NULL;
END $inner$ LANGUAGE plpgsql;',
proname, aggproargs, return_type, proname, aggproargs);
EXCEPTION
WHEN duplicate_function THEN
RAISE DEBUG 'stub function for aggregation already exists (ignored)';
END;
BEGIN
IF lower(proargs_types) = '*' THEN
name_arg := format('%s(*)', proname);
END IF;
EXECUTE format('
CREATE AGGREGATE %s
(
sfunc = %s_sfunc,
stype = %s
);', name_arg, proname, return_type);
EXCEPTION
WHEN duplicate_function THEN
RAISE DEBUG 'stub aggregation already exists (ignored)';
WHEN others THEN
RAISE EXCEPTION 'stub aggregation % exception', name_arg;
END;
END;
ELSEIF lower(func_type) = 'function' OR lower(func_type) = 'func' OR lower(func_type) = 'f' THEN
BEGIN
EXECUTE format('
CREATE FUNCTION %s RETURNS %s IMMUTABLE AS $inner$
BEGIN
RAISE EXCEPTION ''stub %s is called'';
RETURN NULL;
END $inner$ LANGUAGE plpgsql;',
name_arg, return_type, name_arg);
EXCEPTION
WHEN duplicate_function THEN
RAISE DEBUG 'stub already exists (ignored)';
END;
ELSEIF lower(func_type) = 'stable function' OR lower(func_type) = 'sfunc' OR lower(func_type) = 'sf' THEN
BEGIN
EXECUTE format('
CREATE FUNCTION %s RETURNS %s STABLE AS $inner$
BEGIN
RAISE EXCEPTION ''stub %s is called'';
RETURN NULL;
END $inner$ LANGUAGE plpgsql;',
name_arg, return_type, name_arg);
EXCEPTION
WHEN duplicate_function THEN
RAISE DEBUG 'stub already exists (ignored)';
END;
ELSE
RAISE EXCEPTION 'not supported function type %', func_type;
BEGIN
EXECUTE format('
CREATE FUNCTION %s_sfunc RETURNS %s AS $inner$
BEGIN
RAISE EXCEPTION ''stub %s is called'';
RETURN NULL;
END $inner$ LANGUAGE plpgsql;',
name_arg, return_type, name_arg);
EXCEPTION
WHEN duplicate_function THEN
RAISE DEBUG 'stub already exists (ignored)';
END;
END IF;
RETURN TRUE;
END
$$ LANGUAGE plpgsql;
--Aggregations
SELECT influxdb_create_or_replace_stub('a', 'influx_count_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_count(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_distinct(anyelement)', 'anyelement');
SELECT influxdb_create_or_replace_stub('a', 'integral(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('a', 'integral(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('a', 'integral(bigint, interval)', 'bigint');
SELECT influxdb_create_or_replace_stub('a', 'integral(float8, interval)', 'float8');
SELECT influxdb_create_or_replace_stub('a', 'integral_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'integral(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'mean(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('a', 'mean(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('a', 'mean_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'mean(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'median(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('a', 'median(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('a', 'median_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'median(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_mode(anyelement)', 'anyelement');
SELECT influxdb_create_or_replace_stub('a', 'influx_mode_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_mode(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'spread(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('a', 'spread(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('a', 'spread_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'spread(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'stddev_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'stddev(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_sum_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_sum(text)', 'text');
--Selectors
SELECT influxdb_create_or_replace_stub('f', 'bottom(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'bottom(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'bottom(bigint, text, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'bottom(float8, text, int)', 'float8');
SELECT influxdb_create_or_replace_stub('a', 'first(timestamp with time zone, anyelement)', 'anyelement');
SELECT influxdb_create_or_replace_stub('a', 'first_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'first(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'last(timestamp with time zone, anyelement)', 'anyelement');
SELECT influxdb_create_or_replace_stub('a', 'last_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'last(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_max_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_max(text)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_min_all(*)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'influx_min(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'percentile(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'percentile(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'percentile(bigint, float8)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'percentile(float8, float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'percentile_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'percentile_all(float8)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'percentile(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'percentile(text, float8)', 'text');
SELECT influxdb_create_or_replace_stub('a', 'sample(anyelement, int)', 'anyelement');
SELECT influxdb_create_or_replace_stub('sf', 'sample_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'sample(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'top(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'top(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'top(bigint, text, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'top(float8, text, int)', 'float8');
--Transformations
SELECT influxdb_create_or_replace_stub('sf', 'abs_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'acos(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'acos(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'acos_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'asin(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'asin(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'asin_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'atan(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'atan(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'atan_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'atan2(bigint, bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'atan2(bigint, float8)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'atan2(float8, bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'atan2(float8, float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'atan2_all(bigint)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'atan2_all(float8)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'ceil(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'ceil(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'ceil_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'cos(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'cos(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'cos_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'cumulative_sum(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('f', 'cumulative_sum(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'cumulative_sum_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'cumulative_sum(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'derivative(anyelement)', 'anyelement');
SELECT influxdb_create_or_replace_stub('f', 'derivative(anyelement, interval)', 'anyelement');
SELECT influxdb_create_or_replace_stub('sf', 'derivative_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'derivative(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'difference(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('f', 'difference(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'difference_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'difference(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'elapsed(anyelement)', 'bigint');
SELECT influxdb_create_or_replace_stub('sf', 'elapsed_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'elapsed(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'elapsed(anyelement, interval)', 'bigint');
SELECT influxdb_create_or_replace_stub('f', 'exp(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'exp(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'exp_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'floor(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'floor(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'floor_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'ln(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'ln(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'ln_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'log(bigint, bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'log(float8, float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'log_all(bigint)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'log_all(float8)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'log2(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'log2(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'log2_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'log10(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'log10(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'log10_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'moving_average(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'moving_average(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'moving_average_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'moving_average(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'non_negative_derivative(anyelement)', 'anyelement');
SELECT influxdb_create_or_replace_stub('f', 'non_negative_derivative(anyelement, interval)', 'anyelement');
SELECT influxdb_create_or_replace_stub('sf', 'non_negative_derivative_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'non_negative_derivative(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'non_negative_difference(bigint)', 'bigint');
SELECT influxdb_create_or_replace_stub('f', 'non_negative_difference(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'non_negative_difference_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'non_negative_difference(text)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'pow(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'pow(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'pow_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'round(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'round(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'round_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'sin(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'sin(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'sin_all()', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'sqrt_all()', 'text');
SELECT influxdb_create_or_replace_stub('f', 'tan(bigint)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'tan(float8)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'tan_all()', 'text');
--Predictors
SELECT influxdb_create_or_replace_stub('f', 'holt_winters(anyelement, int, int)', 'anyelement');
SELECT influxdb_create_or_replace_stub('f', 'holt_winters_with_fit(anyelement, int, int)', 'anyelement');
--Technical Analysis
SELECT influxdb_create_or_replace_stub('f', 'chande_momentum_oscillator(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'chande_momentum_oscillator(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'chande_momentum_oscillator(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'chande_momentum_oscillator(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'chande_momentum_oscillator(double precision, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'chande_momentum_oscillator(double precision, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'chande_momentum_oscillator_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'chande_momentum_oscillator(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'exponential_moving_average(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'exponential_moving_average(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'exponential_moving_average(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'exponential_moving_average(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'exponential_moving_average_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'exponential_moving_average(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'double_exponential_moving_average(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'double_exponential_moving_average(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'double_exponential_moving_average(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'double_exponential_moving_average(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'double_exponential_moving_average_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'double_exponential_moving_average(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_efficiency_ratio(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_efficiency_ratio(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_efficiency_ratio(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_efficiency_ratio(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'kaufmans_efficiency_ratio_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'kaufmans_efficiency_ratio(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_adaptive_moving_average(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_adaptive_moving_average(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_adaptive_moving_average(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'kaufmans_adaptive_moving_average(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'kaufmans_adaptive_moving_average_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'kaufmans_adaptive_moving_average(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_moving_average(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_moving_average(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_moving_average(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_moving_average(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'triple_exponential_moving_average_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'triple_exponential_moving_average(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_derivative(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_derivative(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_derivative(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'triple_exponential_derivative(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'triple_exponential_derivative_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'triple_exponential_derivative(text, int)', 'text');
SELECT influxdb_create_or_replace_stub('f', 'relative_strength_index(bigint, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'relative_strength_index(float8, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'relative_strength_index(bigint, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('f', 'relative_strength_index(float8, int, int)', 'float8');
SELECT influxdb_create_or_replace_stub('sf', 'relative_strength_index_all(int)', 'text');
SELECT influxdb_create_or_replace_stub('sf', 'relative_strength_index(text, int)', 'text');
--time
SELECT influxdb_create_or_replace_stub('f', 'influx_time(timestamp with time zone, interval, interval)', 'timestamp with time zone');
SELECT influxdb_create_or_replace_stub('f', 'influx_time(timestamp with time zone, interval)', 'timestamp with time zone');