SYSTEMS AND METHODS FOR EFFICIENT DATA TRANSFER
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Abstract
A system and method for transferring data are provided. The method comprises: sending, from a receiving device, a data query to request data from a sending device; receiving, from the sending device, a data result model in response to the data query, the data result model including a table block; analyzing the data result model to regenerate the data for storage at the receiving device in accordance with the table block; and providing the regenerated data for storage at the receiving device.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. A method for transferring data, the method comprising:
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sending, from a receiving device, a data query to request data from a sending device; receiving, from the sending device, a data result model in response to the data query, the data result model including a table block; analyzing the data result model to regenerate the data for storage at the receiving device, wherein the analyzing of the data result model comprises; reading at least one column definition and at least one data row from the table block, the data row including a row flag, a null location list, and a row payload field including non-null data to be transferred to the receiving device, determining the number of columns in the table block from the column definition, analyzing the row flag to determine whether the data row includes null values and, when the row flag indicates a presence of null values, further analyzing the null location list to determine location information for the non-null data and the null values, and creating at least one mapped data row by sequentially inserting the non-null data from the row payload field at non-null locations and inserting a null value at each null location determined in the analyzing of the row flag; and processing each mapped data row to provide the regenerated data for storage at the receiving device. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A system for transferring data from a sending device to a receiving device, the sending device providing a data result model in response to a data query from the receiving device, the data result model including a table block, wherein the system comprising:
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a processor; and a memory for storing program instructions which, when executed, cause the receiving device to; analyze the data result model to regenerate data for storage at the receiving device; read at least one column definition and at least one data row from the table block, the data row including a row flag, a null location list, and a row payload field including non-null data to be transferred to the receiving device, determine the number of columns in the table block from the column definition, analyze the row flag to determine whether the data row includes null values and, when the row flag indicates a presence of the null values, further analyze the null location list to determine location information for the non-null data and the null values, and create at least one mapped data row by sequentially inserting the non-null data from the row payload field at non-null locations and inserting a null value at each null location determined from the null location list. - View Dependent Claims (30, 31, 32, 33, 34)
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35. A computer-readable storage medium comprising instructions, which when executed on a processor, cause the processor to perform a method for transferring data, the method comprising:
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sending, from a receiving device, a data query to request data from a sending device; receiving, from the sending device, a data result model in response to the data query, the data result model including a table block; analyzing the data result model to regenerate the data for storage at the receiving device, wherein the analyzing of the data result model comprises; reading at least one column definition and at least one data row from the table block, the data row including a row flag, a null location list, and a row payload field including non-null data to be transferred to the receiving device, determining the number of columns in the table block from the column definition, analyzing the row flag to determine whether the data row includes null values and, when the row flag indicates a presence of the null values, further analyzing the null location list to determine location information for the non-null data and the null values, and creating at least one mapped data row by sequentially inserting the non-null data of the row payload field at non-null locations and inserting a null value at each null location determined from the null location list; and processing each mapped data row to provide the regenerated data for storage at the receiving device. - View Dependent Claims (36, 37, 38, 39, 40)
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Specification