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int64_t Item_func_period_add::val_int()
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{
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  assert(fixed == 1);
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  ulong period=(ulong) args[0]->val_int();
 
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  uint32_t period= args[0]->val_int();
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  int months=(int) args[1]->val_int();
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  if ((null_value=args[0]->null_value || args[1]->null_value) ||
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int64_t Item_func_period_diff::val_int()
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{
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  assert(fixed == 1);
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  ulong period1=(ulong) args[0]->val_int();
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  ulong period2=(ulong) args[1]->val_int();
 
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  uint32_t period1= args[0]->val_int();
 
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  uint32_t period2= args[1]->val_int();
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  if ((null_value=args[0]->null_value || args[1]->null_value))
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    return 0; /* purecov: inspected */