Uses of Class
org.apache.lens.server.api.query.AbstractQueryContext

Packages that use AbstractQueryContext

Package	Description
org.apache.lens.cube.query.cost
org.apache.lens.driver.es
org.apache.lens.driver.hive
org.apache.lens.driver.jdbc
org.apache.lens.server.api.driver
org.apache.lens.server.api.driver.hooks
org.apache.lens.server.api.query
org.apache.lens.server.api.query.cost
org.apache.lens.server.query
org.apache.lens.server.rewrite

Uses of AbstractQueryContext in org.apache.lens.cube.query.cost

Methods in org.apache.lens.cube.query.cost with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
QueryCost	FactPartitionBasedQueryCostCalculator.calculateCost(AbstractQueryContext queryContext, LensDriver driver)
Map<String,Set<?>>	FactPartitionBasedQueryCostCalculator.getAllPartitions(AbstractQueryContext queryContext, LensDriver driver)

Uses of AbstractQueryContext in org.apache.lens.driver.es

Methods in org.apache.lens.driver.es with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
QueryCost	ESDriver.estimate(AbstractQueryContext qctx)
DriverQueryPlan	ESDriver.explain(AbstractQueryContext context)

Uses of AbstractQueryContext in org.apache.lens.driver.hive

Methods in org.apache.lens.driver.hive with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
Priority	HiveDriver.decidePriority(AbstractQueryContext ctx)
QueryCost	HiveDriver.estimate(AbstractQueryContext qctx)
HiveQueryPlan	HiveDriver.explain(AbstractQueryContext explainCtx)

Uses of AbstractQueryContext in org.apache.lens.driver.jdbc

Methods in org.apache.lens.driver.jdbc with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
QueryCost	JDBCDriver.estimate(AbstractQueryContext qctx)
DriverQueryPlan	JDBCDriver.explain(AbstractQueryContext explainCtx) Explain the given query.
void	JDBCDriver.validate(AbstractQueryContext pContext) Validate query using prepare

Uses of AbstractQueryContext in org.apache.lens.server.api.driver

Methods in org.apache.lens.server.api.driver with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
Priority	LensDriver.decidePriority(AbstractQueryContext queryContext) decide priority based on query's cost.
Priority	AbstractLensDriver.decidePriority(AbstractQueryContext queryContext)
QueryCost	LensDriver.estimate(AbstractQueryContext qctx) Estimate the cost of execution for given query.
DriverQueryPlan	LensDriver.explain(AbstractQueryContext explainCtx) Explain the given query.
LensDriver	WeightedQueryCostDriverSelector.select(AbstractQueryContext ctx, org.apache.hadoop.conf.Configuration conf) Returns the driver that has the minimum query cost according to predefined driver allocation ratios.
LensDriver	MinQueryCostSelector.select(AbstractQueryContext ctx, org.apache.hadoop.conf.Configuration conf) Returns the driver that has the minimum query cost.
LensDriver	DriverSelector.select(AbstractQueryContext ctx, org.apache.hadoop.conf.Configuration conf) Select.

Uses of AbstractQueryContext in org.apache.lens.server.api.driver.hooks

Methods in org.apache.lens.server.api.driver.hooks with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
void	NoOpDriverQueryHook.postDriverSelection(AbstractQueryContext ctx)
void	DriverQueryHook.postDriverSelection(AbstractQueryContext ctx) Called just after driver has been selected to execute a query.
void	ChainedDriverQueryHook.postDriverSelection(AbstractQueryContext ctx)
void	QueryCostBasedQueryHook.postEstimate(AbstractQueryContext ctx)
void	NoOpDriverQueryHook.postEstimate(AbstractQueryContext ctx)
void	DriverQueryHook.postEstimate(AbstractQueryContext ctx) Called just after a successful estimate operation is tried on this driver
void	ChainedDriverQueryHook.postEstimate(AbstractQueryContext ctx)
void	NoOpDriverQueryHook.postRewrite(AbstractQueryContext ctx)
void	DriverQueryHook.postRewrite(AbstractQueryContext ctx) Called just after a successful rewrite operation is tried on this driver
void	ChainedDriverQueryHook.postRewrite(AbstractQueryContext ctx)
void	NoOpDriverQueryHook.preEstimate(AbstractQueryContext ctx)
void	DriverQueryHook.preEstimate(AbstractQueryContext ctx) Called just before estimate operation is tried on this driver Note : Estimate operation will be skipped if rewrite operation fails for this driver
void	ChainedDriverQueryHook.preEstimate(AbstractQueryContext ctx)
void	UserBasedQueryHook.preRewrite(AbstractQueryContext ctx)
void	NoOpDriverQueryHook.preRewrite(AbstractQueryContext ctx)
void	DriverQueryHook.preRewrite(AbstractQueryContext ctx) Called just before rewrite operation is tried on this driver
void	ChainedDriverQueryHook.preRewrite(AbstractQueryContext ctx)

Uses of AbstractQueryContext in org.apache.lens.server.api.query

Subclasses of AbstractQueryContext in org.apache.lens.server.api.query

Modifier and Type	Class and Description
class	ExplainQueryContext The class ExplainQueryContext
class	PreparedQueryContext The Class PreparedQueryContext.
class	QueryContext The Class QueryContext.

Methods in org.apache.lens.server.api.query with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
void	DriverSelectorQueryContext.setDriverQueryPlans(Map<LensDriver,String> driverQueries, AbstractQueryContext qctx) Sets driver queries, generates plans for each driver by calling explain with respective queries, Sets driverQueryPlans

Constructors in org.apache.lens.server.api.query with parameters of type AbstractQueryContext

Constructor and Description
DriverEstimateRunnable(AbstractQueryContext queryContext, LensDriver driver)

Uses of AbstractQueryContext in org.apache.lens.server.api.query.cost

Methods in org.apache.lens.server.api.query.cost with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
QueryCost	QueryCostCalculator.calculateCost(AbstractQueryContext queryContext, LensDriver driver)

Uses of AbstractQueryContext in org.apache.lens.server.query

Constructors in org.apache.lens.server.query with parameters of type AbstractQueryContext

Constructor and Description
RewriteEstimateRunnable(LensDriver driver, RewriteUtil.DriverRewriterRunnable rewriterRunnable, AbstractQueryContext.DriverEstimateRunnable estimateRunnable, AbstractQueryContext ctx, CountDownLatch estimateCompletionLatch)

Uses of AbstractQueryContext in org.apache.lens.server.rewrite

Methods in org.apache.lens.server.rewrite with parameters of type AbstractQueryContext

Modifier and Type	Method and Description
void	UserQueryToCubeQueryRewriter.rewrite(AbstractQueryContext ctx)
static Map<LensDriver,RewriteUtil.DriverRewriterRunnable>	RewriteUtil.rewriteQuery(AbstractQueryContext ctx) Rewrite query.

Constructors in org.apache.lens.server.rewrite with parameters of type AbstractQueryContext

Constructor and Description
DriverRewriterRunnable(LensDriver driver, AbstractQueryContext ctx, List<org.apache.lens.server.rewrite.RewriteUtil.CubeQueryInfo> cubeQueries, String replacedQuery)