alpha2 #2
19
README.md
19
README.md
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@ -8,6 +8,25 @@ This library allows SQLite (and, by v1.0.0-beta1, PostgreSQL) to be treated as a
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`composer require bit-badger/pdo-document`
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## Configuration
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### Connection Details
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The static variable `Configuration::$pdoDSN` must be set to the [PDO data source name](https://www.php.net/manual/en/pdo.construct.php#refsect1-pdo.construct-parameters) for your database. `Configuration` also has `$username`, `$password`, and `$options` variables that will be used to construct the PDO object it will use for data access.
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### Document Identifiers
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Each document must have a unique identifier. By default, the library assumes that this is a property or array key named `id`, but this can be controlled by setting `Configuration::$idField`. Once documents exist, this should not be changed.
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IDs can be generated automatically on insert. The `AutoId` enumeration has 4 values:
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- `AutoId::None` is the default; no IDs will be generated
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- `AutoId::Number` will assign max-ID-plus-one to documents with an ID of 0
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- `AutoId::UUID` will generate a v4 <abbr title="Universally Unique Identifier">UUID</abbr> for documents with an empty `string` ID
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- `AutoId::RandomString` will generate a string of letters and numbers for documents with an empty `string` ID; `Configuration::$idStringLength` controls the length of the generated string, and defaults to 16 characters
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In all generated scenarios, if the ID value is not 0 or blank, that ID will be used instead of a generated one.
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## Usage
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Documentation for this library is not complete; however, its structure is very similar to the .NET version, so [its documentation will help](https://bitbadger.solutions/open-source/relational-documents/basic-usage.html) until its project specific documentation is developed. Things like `Count.All()` become `Count::all`, and all the `byField` operations are named `byFields` and take an array of fields.
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@ -161,7 +161,7 @@ class QueryTest extends TestCase
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#[TestDox('Insert succeeds with auto random string for SQLite')]
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public function testInsertSucceedsWithAutoRandomStringForSQLite(): void
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{
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Configuration::$mode = Mode::SQLite;
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Configuration::$mode = Mode::SQLite;
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try {
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$query = Query::insert('test_tbl', AutoId::RandomString);
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$this->assertStringStartsWith("INSERT INTO test_tbl VALUES (json_set(:data, '$.id', '", $query,
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@ -170,7 +170,7 @@ class QueryTest extends TestCase
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$id = str_replace(["INSERT INTO test_tbl VALUES (json_set(:data, '$.id', '", "'))"], '', $query);
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$this->assertEquals(16, strlen($id), "Generated ID [$id] should have been 16 characters long");
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} finally {
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Configuration::$mode = null;
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Configuration::$mode = null;
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}
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}
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