/**
* @param $tableName
* @param DynamoDbIndex $primaryIndex
* @param DynamoDbIndex[] $localSecondaryIndices
* @param DynamoDbIndex[] $globalSecondaryIndices
* @param int $readCapacity
* @param int $writeCapacity
*
* @return bool
* @internal param DynamoDbIndex $primaryKey
*/
public function createTable($tableName, DynamoDbIndex $primaryIndex, array $localSecondaryIndices = [], array $globalSecondaryIndices = [], $readCapacity = 5, $writeCapacity = 5)
{
$attrDef = $primaryIndex->getAttributeDefinitions();
foreach ($globalSecondaryIndices as $gsi) {
$gsiDef = $gsi->getAttributeDefinitions();
$attrDef = array_merge($attrDef, $gsiDef);
}
foreach ($localSecondaryIndices as $lsi) {
$lsiDef = $lsi->getAttributeDefinitions();
$attrDef = array_merge($attrDef, $lsiDef);
}
$attrDef = array_values($attrDef);
$keySchema = $primaryIndex->getKeySchema();
$gsiDef = [];
foreach ($globalSecondaryIndices as $globalSecondaryIndex) {
$gsiDef[] = ["IndexName" => $globalSecondaryIndex->getName(), "KeySchema" => $globalSecondaryIndex->getKeySchema(), "Projection" => $globalSecondaryIndex->getProjection(), "ProvisionedThroughput" => ["ReadCapacityUnits" => $readCapacity, "WriteCapacityUnits" => $writeCapacity]];
}
$lsiDef = [];
foreach ($localSecondaryIndices as $localSecondaryIndex) {
$lsiDef[] = ["IndexName" => $localSecondaryIndex->getName(), "KeySchema" => $localSecondaryIndex->getKeySchema(), "Projection" => $localSecondaryIndex->getProjection()];
}
$args = ["TableName" => $tableName, "ProvisionedThroughput" => ["ReadCapacityUnits" => $readCapacity, "WriteCapacityUnits" => $writeCapacity], "AttributeDefinitions" => $attrDef, "KeySchema" => $keySchema];
if ($gsiDef) {
$args["GlobalSecondaryIndexes"] = $gsiDef;
}
if ($lsiDef) {
$args["LocalSecondaryIndexes"] = $lsiDef;
}
$result = $this->db->createTable($args);
if (isset($result['TableDescription']) && $result['TableDescription']) {
return true;
} else {
return false;
}
}
public function getLocalSecondaryIndices()
{
$description = $this->describe();
$lsiDefs = isset($description['LocalSecondaryIndexes']) ? $description['LocalSecondaryIndexes'] : null;
if (!$lsiDefs) {
return [];
}
$attrDefs = [];
foreach ($description['AttributeDefinitions'] as $attributeDefinition) {
$attrDefs[$attributeDefinition['AttributeName']] = $attributeDefinition['AttributeType'];
}
$lsis = [];
foreach ($lsiDefs as $lsiDef) {
$hashKey = null;
$hashKeyType = null;
$rangeKey = null;
$rangeKeyType = null;
foreach ($lsiDef['KeySchema'] as $keySchema) {
switch ($keySchema['KeyType']) {
case "HASH":
$hashKey = $keySchema['AttributeName'];
$hashKeyType = $attrDefs[$hashKey];
break;
case "RANGE":
$rangeKey = $keySchema['AttributeName'];
$rangeKeyType = $attrDefs[$rangeKey];
break;
}
}
$projectionType = $lsiDef['Projection']['ProjectionType'];
$projectedAttributes = isset($lsiDef['Projection']['NonKeyAttributes']) ? $lsiDef['Projection']['NonKeyAttributes'] : [];
$lsi = new DynamoDbIndex($hashKey, $hashKeyType, $rangeKey, $rangeKeyType, $projectionType, $projectedAttributes);
$lsi->setName($lsiDef['IndexName']);
$lsis[$lsi->getName()] = $lsi;
}
return $lsis;
}
