Boris Tyukin boristyukin
boristyukin
/ impala_command_drop_database_tables.sh
Created
March 23, 2019 01:41
How to drop all Impala tables in a given database
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| impala-shell -d mydbname -q 'show tables' -B | xargs -I '{}' impala-shell -d mydbname -q 'DROP TABLE IF EXISTS `{}`;' |
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| import org.apache.kudu.ColumnSchema | |
| import org.apache.kudu.Schema | |
| import org.apache.kudu.Type | |
| import org.apache.kudu.client.AlterTableOptions | |
| import org.apache.kudu.client.CreateTableOptions | |
| import org.apache.kudu.client.Insert | |
| import org.apache.kudu.client.KuduClient | |
| import org.apache.kudu.client.KuduException | |
| import org.apache.kudu.client.KuduPredicate | |
| import org.apache.kudu.client.KuduPredicate.ComparisonOp |
boristyukin
/ ssis_output_value_from_script.cs
Last active
September 21, 2021 21:38
SSIS write string value to Output Window for debug
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| /////////////////////////////////////// | |
| // For Script Task (control flow) | |
| /////////////////////////////////////// | |
| bool fireAgain = true; Dts.Events.FireInformation(1,"YOUR TITLE",myVar.ToString(),"",0, ref fireAgain); //debug message | |
| Dts.Events.FireError(0, "Error!", "Your custom Error message", String.Empty, 0); //raise custom error | |
| /////////////////////////////////////// | |
| //For Script Component (data flow) | |
| /////////////////////////////////////// |
boristyukin
/ qlikview_dynamic_charts
Last active
August 29, 2015 14:15
QlikView implementation of dynamic charts (trends), driven by user selection
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| Dimension Expression (Primary and Secondary) | |
| ------------------------------------------------ | |
| = $(='['&only(%TrendDimensionName)&']') | |
| = $(='['&only(%TrendDimensionNameSecondary)&']') | |
| Dimension Label | |
| ------------------------------------------------ | |
| =%TrendDimensionName | |
| Metric Expression |
boristyukin
/ qlikview_set_expression_to_ignore_dimension_selections
Last active
January 1, 2016 18:19
Qlikview - dynamic set expression to disregard all calendar (or any other dimension) selections
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| // Credit to http://community.qlikview.com/blogs/qlikviewdesignblog/2013/11/18/dollar-expansions | |
| // define variable which will pull/contatenate all members of dimension to disregard | |
| Set vClearCalendar = "='[' & Concat({1<$Table={'Calendar'}>} $Field, ']=,[') & ']=' "; | |
| // if you want to exclude some, for example Year: | |
| Set vClearCalendar = "='[' & Concat({1<$Table={'Calendar'}, $Field-={'Year'}>} $Field, ']=,[') & ']=' "; | |
| //this is how set expression will look like | |
| // Sum ({$<$(vClearCalendar)>} Amount) |