24 lines
		
	
	
		
			491 B
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			24 lines
		
	
	
		
			491 B
		
	
	
	
		
			Ruby
		
	
	
	
| # frozen_string_literal: true
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| 
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| module Gitlab
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|   module Database
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|     class PgClass < SharedModel
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|       self.table_name = 'pg_class'
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| 
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|       def self.for_table(relname)
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|         joins("LEFT JOIN pg_stat_user_tables ON pg_stat_user_tables.relid = pg_class.oid")
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|           .where('schemaname = current_schema()')
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|           .find_by(relname: relname)
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|       end
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| 
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|       def cardinality_estimate
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|         tuples = reltuples.to_i
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| 
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|         return if tuples < 1
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| 
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|         tuples
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|       end
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|     end
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|   end
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| end
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