Method and computer program product for processing system files using a trigger program
First Claim
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1. A method for processing system files in a computer system;
- said system files storing information used for processing a query, said system files including structured query language (SQL) catalog files and system initialization files;
said method comprising the steps of;
attaching an associated trigger program to each respective system file;
utilizing said associated trigger program for capturing all input/output (I/O) requests against said respective system file;
utilizing said associated trigger program for pre-processing said respective system file to identify predetermined information, utilizing said associated trigger program for storing said identified predetermined information in an internal structure; and
utilizing said internal structure to access said predetermined information when required to perform a query.
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Abstract
A method and computer program product are provided for processing system files. An associated trigger program is attached to each respective system file. The associated trigger program is utilized for pre-processing the respective system file to identify predetermined information. The identified predetermined information is stored in an internal structure. The internal structure is utilized to access the predetermined information when required to perform a query.
11 Citations
9 Claims
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1. A method for processing system files in a computer system;
- said system files storing information used for processing a query, said system files including structured query language (SQL) catalog files and system initialization files;
said method comprising the steps of;attaching an associated trigger program to each respective system file;
utilizing said associated trigger program for capturing all input/output (I/O) requests against said respective system file;
utilizing said associated trigger program for pre-processing said respective system file to identify predetermined information, utilizing said associated trigger program for storing said identified predetermined information in an internal structure; and
utilizing said internal structure to access said predetermined information when required to perform a query. - View Dependent Claims (2, 3, 4, 5)
- said system files storing information used for processing a query, said system files including structured query language (SQL) catalog files and system initialization files;
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6. A computer program product for processing system files in a computer system;
- said system files storing information used for processing a query, said system files including structured query language (SQL) catalog files and system initialization files;
said computer program product comprising;a recording medium;
means, recorded on the recording medium, for attaching an associated trigger program to each respective system file;
means, recorded on the recording medium, for utilizing said associated trigger program for capturing all input/output (I/O) requests against said respective system file;
means, recorded on the recording medium, for utilizing said associated trigger program for pre-processing said respective system file to identify predetermined information, means, recorded on the recording medium, for utilizing said associated trigger program for storing said identified predetermined information in an internal structure; and
means, recorded on the recording medium, for utilizing said internal structure to access said predetermined information when required to perform a query. - View Dependent Claims (7, 8)
- said system files storing information used for processing a query, said system files including structured query language (SQL) catalog files and system initialization files;
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9. A computer system comprising:
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a processor, a memory coupled to the processor for storing a computer program product for processing system files;
said system files storing information used for processing a query, said system files including structured query language (SQL) catalog files and system initialization files;
said computer program product including a plurality of computer executable instructions stored on a computer readable medium, wherein said instructions, when executed by said computer, cause the computer to perform the steps of;
attaching an associated trigger program to each respective system file;
utilizing said associated trigger program for capturing all input/output (I/O) requests against said respective system file;
utilizing said associated trigger program for pre-processing said respective system file to identify predetermined information, utilizing said associated trigger program for storing said identified predetermined information in an internal structure; and
utilizing said internal structure to access said predetermined information when required to perform a query.
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Specification