Class: Dev::Database

Inherits:
Object
  • Object
show all
Defined in:
lib/dev/Database.rb

Overview

create table Branches(Name text,Uri text,UNIQUE(Name));

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Database

Returns a new instance of Database.



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# File 'lib/dev/Database.rb', line 28

def initialize
  filename=Dev::Database.filename
  table_names=Dev::Database.get_table_names(filename)
  @db = SQLite3::Database.new filename
  @db.execute("create table Branches(Name text,Uri text,UNIQUE(Name));") if !table_names.include? "Branches"

  columns=""
  [:uri,:revision,:dir,:user,:machine,:ruby_version,:ruby_platform,:cmd,:status,:start_time,:end_time,:elapsed,:timeout,:timed_out,:output,:error].each { |s|
 columns="#{columns}," if columns.length > 0
 columns="#{columns}#{s.to_s} text"
  }
  @db.execute("create table Results(#{columns});") if ! table_names.include? "Results"
  @db.close
  @db=nil
end

Instance Attribute Details

#db ⇒ Object

Returns the value of attribute db.



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# File 'lib/dev/Database.rb', line 13

def db
  @db
end

Class Method Details

.filename ⇒ Object 



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# File 'lib/dev/Database.rb', line 15

def self.filename
  return Dev::Environment.dev_root + "/dev.db"
end

.get_table_names(filename) ⇒ Object 



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# File 'lib/dev/Database.rb', line 19

def self.get_table_names(filename)
  names=Array.new
  db = SQLite3::Database.new filename
  db.execute("select name from sqlite_master where type='table' ORDER BY name") do |row|
 names << row[0]
  end
  return names
end

Instance Method Details

#add_result(h) ⇒ Object 



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# File 'lib/dev/Database.rb', line 57

def add_result(h)
  columns=""
  values=""
  [:uri,:revision,:dir,:user,:machine,:ruby_version,:ruby_platform,:cmd,:status,:start_time,:end_time,:elapsed,:timeout,:timed_out,:output,:error].each { |s|
 sval=""
 sval=h[s].to_s if h.has_key?(s)
 sval.gsub("'","''")  # need to escape single quotes for sqlite

 columns="#{columns}," if columns.length > 0
 values="#{values}," if values.length > 0
 columns="#{columns}#{s.to_s}"
 values="#{values}'#{sval}'"
  }
  #puts "insert or replace into Results (#{columns}) VALUES (#{values});"

  @db = SQLite3::Database.new Dev::Database.filename
  @db.execute("insert or replace into Results (#{columns}) VALUES (#{values});")
  @db.close
  @db=nil
end

#find_branches(pattern) ⇒ Object 



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# File 'lib/dev/Database.rb', line 120

def find_branches(pattern)
  names=Array.new
  sql="select Name from Branches where Name LIKE '#{pattern}';"
  sql="select Name from Branches;" if pattern.nil? || pattern.length==0
  @db = SQLite3::Database.new Dev::Database.filename
  @db.execute(sql) do |row|
 names << row[0] if(row[0].length > 0)
  end
  @db.close
  @db=nil
  return names
end

#get_branch_uri(name) ⇒ Object 



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# File 'lib/dev/Database.rb', line 109

def get_branch_uri(name)
  uri=""
  @db = SQLite3::Database.new Dev::Database.filename
  @db.execute("select Uri from Branches where Name='#{name}';") do |row|
 uri=eval(row[0].to_s)[0]
  end
  @db.close
  @db=nil
  return uri
end

#get_results(where_hash) ⇒ Object 



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# File 'lib/dev/Database.rb', line 76

def get_results(where_hash)
  array=Array.new
  where=""
  where_hash.each{ |k,v|
 sval=v.to_s
 sval.gsub("'","''")  # need to escape single quotes for sqlite

 where="#{where} AND " if where.length > 0
 where="#{where}#{k.to_s}='#{sval}'"
  }
  
  columns=""
  [:uri,:revision,:dir,:user,:machine,:ruby_version,:ruby_platform,:cmd,:status,:start_time,:end_time,:elapsed,:timeout,:timed_out,:output,:error].each { |s|
 columns="#{columns}," if columns.length > 0
 columns="#{columns}#{s.to_s}"
  }

  @db = SQLite3::Database.new Dev::Database.filename
  @db.execute("select #{columns} from Results where #{where};") do |row|
 h=Hash.new
 index = 0
 [:uri,:revision,:dir,:user,:machine,:ruby_version,:ruby_platform,:cmd,:status,:start_time,:end_time,:elapsed,:timeout,:timed_out,:output,:error].each { |s|
   #puts "row[#{index}].to_s=#{row[index].to_s}"

   h[s]=row[index].to_s
   index=index+1
 }
 array << h if !h.empty?
  end
  @db.close
  @db=nil
 
  return array
end

#has_result(h) ⇒ Object 



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# File 'lib/dev/Database.rb', line 51

def has_result(h)
  results=get_results({:machine=>h[:machine],:user=>h[:user],:start_time=>h[:start_time]})
  return true if results.length > 0
  return false
end

#set_branch_uri(name, uri) ⇒ Object 



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# File 'lib/dev/Database.rb', line 44

def set_branch_uri(name,uri)
  @db = SQLite3::Database.new Dev::Database.filename
  @db.execute("insert or replace into Branches (Name,Uri) VALUES ('#{name}','#{uri}');")
  @db.close
  @db=nil
end