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Use template string for histogramQueryTpl

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This commit is contained in:
Daniel García Aubert 2017-09-05 15:53:21 +02:00
parent adcff54589
commit 2739364193
1 changed files with 38 additions and 28 deletions
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66
lib/cartodb/models/dataview/histogram.js
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@ -154,34 +154,44 @@ const nansQueryTpl = ctx => `
)
`;
var histogramQueryTpl = dot.template([
'SELECT',
' (__cdb_max_val - __cdb_min_val) / cast(__cdb_bins_number as float) AS bin_width,',
' __cdb_bins_number AS bins_number,',
' __cdb_nulls_count AS nulls_count,',
' {{?it._isFloatColumn}}__cdb_infinities_count AS infinities_count,',
' __cdb_nans_count AS nans_count,{{?}}',
' __cdb_avg_val AS avg_val,',
' CASE WHEN __cdb_min_val = __cdb_max_val',
' THEN 0',
' ELSE GREATEST(',
' 1,',
' LEAST(',
' WIDTH_BUCKET({{=it._column}}, __cdb_min_val, __cdb_max_val, __cdb_bins_number),',
' __cdb_bins_number',
' )',
' ) - 1',
' END AS bin,',
' min({{=it._column}})::numeric AS min,',
' max({{=it._column}})::numeric AS max,',
' avg({{=it._column}})::numeric AS avg,',
' count(*) AS freq',
'FROM __cdb_filtered_source, __cdb_basics, __cdb_nulls,',
' __cdb_bins{{?it._isFloatColumn}}, __cdb_infinities, __cdb_nans{{?}}',
'GROUP BY bin, bins_number, bin_width, nulls_count,',
' avg_val{{?it._isFloatColumn}}, infinities_count, nans_count{{?}}',
'ORDER BY bin'
].join('\n'));
const specialNumericValuesColumnDefinitionTpl = () => `
__cdb_infinities_count AS infinities_count,
__cdb_nans_count AS nans_count
`;
const specialNumericValuesCTETpl = () => `
__cdb_infinities, __cdb_nans
`;
const specialNumericValuesColumnTpl = () => `
infinities_count, nans_count
`;
const histogramQueryTpl = ctx => `
SELECT
(__cdb_max_val - __cdb_min_val) / cast(__cdb_bins_number as float) AS bin_width,
__cdb_bins_number AS bins_number,
__cdb_nulls_count AS nulls_count,
${ctx._isFloatColumn ? `${specialNumericValuesColumnDefinitionTpl()},` : ''}
__cdb_avg_val AS avg_val,
CASE WHEN __cdb_min_val = __cdb_max_val
THEN 0
ELSE GREATEST(
1,
LEAST(
WIDTH_BUCKET(${ctx._column}, __cdb_min_val, __cdb_max_val, __cdb_bins_number),
__cdb_bins_number
)
) - 1
END AS bin,
min(${ctx._column})::numeric AS min,
max(${ctx._column})::numeric AS max,
avg(${ctx._column})::numeric AS avg,
count(*) AS freq
FROM __cdb_filtered_source, __cdb_basics, __cdb_nulls, __cdb_bins ${ctx._isFloatColumn ? `, ${specialNumericValuesCTETpl()}` : ''}
GROUP BY bin, bins_number, bin_width, nulls_count, avg_val${ctx._isFloatColumn ? `, ${specialNumericValuesColumnTpl()}` : ''}
ORDER BY bin
`;
var dateBasicsQueryTpl = dot.template([
'__cdb_basics AS (',