Privacy Policy
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knowhow:toextract [2009/11/20 01:59] Petr Vanek created |
knowhow:toextract [2010/03/21 09:05] (current) Tomas Straupis Spelling fix. |
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| Extractor (defined as class toExtract (files toextract.h/cpp)) is an interface to different databases. To execute different operations on different databases you will be calling extractor functions which will check which connection is currently being used (oracle, mysql etc.) and will call corresponding database specific implementation. | Extractor (defined as class toExtract (files toextract.h/cpp)) is an interface to different databases. To execute different operations on different databases you will be calling extractor functions which will check which connection is currently being used (oracle, mysql etc.) and will call corresponding database specific implementation. | ||
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| ===== Extractor parts ===== | ===== Extractor parts ===== | ||
| - | Extractor class has some subclasses to provide wrappers for abstract database objects. One of thes objects is datatype (class datatype). This class defines one particular datatype and it's properties, f.e. what is maximum lengh of data, does it has precision etc. | + | Extractor class has some subclasses to provide wrappers for abstract database objects. One of these objects is datatype (class datatype). This class defines one particular datatype and it's properties, f.e. what is maximum length of data, does it has precision etc. |
| Another part is extractor. | Another part is extractor. | ||
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| If heading generation is switched on (see extractor property description above) then this function will create vendor independent description of script being generated. Description will include time of generation, application version etc. | If heading generation is switched on (see extractor property description above) then this function will create vendor independent description of script being generated. Description will include time of generation, application version etc. | ||
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