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December 27, 2017 08:32
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Basic Forsuredb Retrieval Query
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MyTable myTableApi = ForSure.myTable().getApi(); // <-- get retrieval API that Forsuredb generated for you | |
Retriever r = ForSure.myTable() // <-- the generated ForSure class serves as your entrypoint | |
.find() // <-- start narrowing the number of records and columns to return | |
.byIntColumnBetween(3).andInclusive(10) // <-- set bounds (3, 10] | |
.and().byNotDeleted() // <-- add additional condition that the record must not be "soft deleted" | |
.then() // <-- end narrowing number of records and columns to return | |
.get(); // <-- execute the query and return a Retriever (a Cursor/ResultSet) | |
if (r.moveToFirst()) { // <-- Retrievers get iterated just like Cursors or ResultSets | |
do { | |
String stringColumn = myTableApi.stringColumn(r); | |
int intColumn = myTableApi.intColumn(r); | |
System.out.println("found record: string_column=" + stringColumn + ", int_column=" + intColumn); | |
} while (r.moveToNext()); | |
} | |
r.close(); // <-- Retrievers must be closed | |
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