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| <li>Summary: </li> |
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| <div class="subTitle"><span class="packageLabelInType">Package</span> <a href="package-summary.html">org.apache.calcite.avatica.util</a></div> |
| <h2 title="Class DateTimeUtils" class="title">Class DateTimeUtils</h2> |
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| <li>java.lang.Object</li> |
| <li> |
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| <li>org.apache.calcite.avatica.util.DateTimeUtils</li> |
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| <pre>public class <span class="typeNameLabel">DateTimeUtils</span> |
| extends java.lang.Object</pre> |
| <div class="block">Utility functions for datetime types: date, time, timestamp. |
| |
| <p>Used by the JDBC driver. |
| |
| <p>TODO: review methods for performance. Due to allocations required, it may |
| be preferable to introduce a "formatter" with the required state.</div> |
| </li> |
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| <h3>Nested Class Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Nested Classes</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Class</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static class </code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="DateTimeUtils.PrecisionTime.html" title="class in org.apache.calcite.avatica.util">DateTimeUtils.PrecisionTime</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Helper class for <a href="#parsePrecisionDateTimeLiteral(java.lang.String,java.lang.String,java.util.TimeZone)"><code>parsePrecisionDateTimeLiteral(java.lang.String, java.lang.String, java.util.TimeZone)</code></a></div> |
| </td> |
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| <h3>Field Summary</h3> |
| <table class="memberSummary"> |
| <caption><span>Fields</span><span class="tabEnd"> </span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Field</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DATE_FORMAT_STRING">DATE_FORMAT_STRING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The SimpleDateFormat string for ISO dates, "yyyy-MM-dd".</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.util.TimeZone</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#DEFAULT_ZONE">DEFAULT_ZONE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The Java default time zone.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#EPOCH_JULIAN">EPOCH_JULIAN</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The julian date of the epoch, 1970-01-01.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.util.TimeZone</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#GMT_ZONE">GMT_ZONE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="deprecationComment">Use <a href="#UTC_ZONE"><code>UTC_ZONE</code></a></div> |
| </div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#MILLIS_PER_DAY">MILLIS_PER_DAY</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The number of milliseconds in a day.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#MILLIS_PER_HOUR">MILLIS_PER_HOUR</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The number of milliseconds in an hour.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#MILLIS_PER_MINUTE">MILLIS_PER_MINUTE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The number of milliseconds in a minute.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#MILLIS_PER_SECOND">MILLIS_PER_SECOND</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The number of milliseconds in a second.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#SECONDS_PER_DAY">SECONDS_PER_DAY</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The number of seconds in a day.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIME_FORMAT_STRING">TIME_FORMAT_STRING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The SimpleDateFormat string for ISO times, "HH:mm:ss".</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#TIMESTAMP_FORMAT_STRING">TIMESTAMP_FORMAT_STRING</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The SimpleDateFormat string for ISO timestamps, "yyyy-MM-dd HH:mm:ss".</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>static java.util.TimeZone</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#UTC_ZONE">UTC_ZONE</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">The UTC time zone.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>static java.util.Calendar</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ZERO_CALENDAR">ZERO_CALENDAR</a></span></code></th> |
| <td class="colLast"> |
| <div class="block">Calendar set to the epoch (1970-01-01 00:00:00 UTC).</div> |
| </td> |
| </tr> |
| </table> |
| </li> |
| </ul> |
| </section> |
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| </a> |
| <h3>Method Summary</h3> |
| <table class="memberSummary"> |
| <caption><span id="t0" class="activeTableTab"><span>All Methods</span><span class="tabEnd"> </span></span><span id="t1" class="tableTab"><span><a href="javascript:show(1);">Static Methods</a></span><span class="tabEnd"> </span></span><span id="t4" class="tableTab"><span><a href="javascript:show(8);">Concrete Methods</a></span><span class="tabEnd"> </span></span><span id="t6" class="tableTab"><span><a href="javascript:show(32);">Deprecated Methods</a></span><span class="tabEnd"> </span></span></caption> |
| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colSecond" scope="col">Method</th> |
| <th class="colLast" scope="col">Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addMonths(int,int)">addMonths</a></span>​(int date, |
| int m)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds a given number of months to a date, represented as the number of |
| days since the epoch.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#addMonths(long,int)">addMonths</a></span>​(long timestamp, |
| int m)</code></th> |
| <td class="colLast"> |
| <div class="block">Adds a given number of months to a timestamp, represented as the number |
| of milliseconds since the epoch.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static java.util.Calendar</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#calendar()">calendar</a></span>()</code></th> |
| <td class="colLast"> |
| <div class="block">Creates an instance of <code>Calendar</code> in the root locale and UTC time |
| zone.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static void</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#checkDateFormat(java.lang.String)">checkDateFormat</a></span>​(java.lang.String pattern)</code></th> |
| <td class="colLast"> |
| <div class="block">Checks if the date/time format is valid</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#dateStringToUnixDate(java.lang.String)">dateStringToUnixDate</a></span>​(java.lang.String s)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#digitCount(int)">digitCount</a></span>​(int v)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#floorDiv(long,long)">floorDiv</a></span>​(long x, |
| long y)</code></th> |
| <td class="colLast"> |
| <div class="block">Divide, rounding towards negative infinity.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#floorMod(long,long)">floorMod</a></span>​(long x, |
| long y)</code></th> |
| <td class="colLast"> |
| <div class="block">Modulo, always returning a non-negative result.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static java.util.TimeZone</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#getTimeZone(java.util.Calendar)">getTimeZone</a></span>​(java.util.Calendar cal)</code></th> |
| <td class="colLast"> |
| <div class="block">Gets the active time zone based on a Calendar argument</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#intervalDayTimeToString(long,org.apache.calcite.avatica.util.TimeUnitRange,int)">intervalDayTimeToString</a></span>​(long v, |
| <a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| int scale)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#intervalYearMonthToString(int,org.apache.calcite.avatica.util.TimeUnitRange)">intervalYearMonthToString</a></span>​(int v, |
| <a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static boolean</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#isOffsetDateTime(java.lang.Object)">isOffsetDateTime</a></span>​(java.lang.Object o)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns whether a value is an <code>OffsetDateTime</code>.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static java.text.SimpleDateFormat</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#newDateFormat(java.lang.String)">newDateFormat</a></span>​(java.lang.String format)</code></th> |
| <td class="colLast"> |
| <div class="block">Creates a new date formatter with Farrago specific options.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.StringBuilder</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#number(java.lang.StringBuilder,int,int)">number</a></span>​(java.lang.StringBuilder buf, |
| int v, |
| int n)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#offsetDateTimeValue(java.lang.Object)">offsetDateTimeValue</a></span>​(java.lang.Object o)</code></th> |
| <td class="colLast"> |
| <div class="block">Returns the value of a <code>OffsetDateTime</code> as a string.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code>static java.util.Calendar</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parseDateFormat(java.lang.String,java.lang.String,java.util.TimeZone)">parseDateFormat</a></span>​(java.lang.String s, |
| java.lang.String pattern, |
| java.util.TimeZone tz)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr id="i16" class="altColor"> |
| <td class="colFirst"><code>static java.util.Calendar</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parseDateFormat(java.lang.String,java.text.DateFormat,java.util.TimeZone)">parseDateFormat</a></span>​(java.lang.String s, |
| java.text.DateFormat dateFormat, |
| java.util.TimeZone tz)</code></th> |
| <td class="colLast"> |
| <div class="block">Parses a string using <code>SimpleDateFormat</code> and a given pattern.</div> |
| </td> |
| </tr> |
| <tr id="i17" class="rowColor"> |
| <td class="colFirst"><code>static <a href="DateTimeUtils.PrecisionTime.html" title="class in org.apache.calcite.avatica.util">DateTimeUtils.PrecisionTime</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parsePrecisionDateTimeLiteral(java.lang.String,java.lang.String,java.util.TimeZone)">parsePrecisionDateTimeLiteral</a></span>​(java.lang.String s, |
| java.lang.String pattern, |
| java.util.TimeZone tz)</code></th> |
| <td class="colLast"> |
| <div class="block"><span class="deprecatedLabel">Deprecated.</span></div> |
| </td> |
| </tr> |
| <tr id="i18" class="altColor"> |
| <td class="colFirst"><code>static <a href="DateTimeUtils.PrecisionTime.html" title="class in org.apache.calcite.avatica.util">DateTimeUtils.PrecisionTime</a></code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#parsePrecisionDateTimeLiteral(java.lang.String,java.text.DateFormat,java.util.TimeZone,int)">parsePrecisionDateTimeLiteral</a></span>​(java.lang.String s, |
| java.text.DateFormat dateFormat, |
| java.util.TimeZone tz, |
| int maxPrecision)</code></th> |
| <td class="colLast"> |
| <div class="block">Parses a string using <code>SimpleDateFormat</code> and a given pattern, and |
| if present, parses a fractional seconds component.</div> |
| </td> |
| </tr> |
| <tr id="i19" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#powerX(long,long)">powerX</a></span>​(long a, |
| long b)</code></th> |
| <td class="colLast"> |
| <div class="block">Cheap, unsafe, long power.</div> |
| </td> |
| </tr> |
| <tr id="i20" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resetDate(long)">resetDate</a></span>​(long timestamp)</code></th> |
| <td class="colLast"> |
| <div class="block">Resets to epoch (1970-01-01) the "date" part of a timestamp.</div> |
| </td> |
| </tr> |
| <tr id="i21" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#resetTime(long)">resetTime</a></span>​(long timestamp)</code></th> |
| <td class="colLast"> |
| <div class="block">Resets to zero the "time" part of a timestamp.</div> |
| </td> |
| </tr> |
| <tr id="i22" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#subtractMonths(int,int)">subtractMonths</a></span>​(int date0, |
| int date1)</code></th> |
| <td class="colLast"> |
| <div class="block">Finds the number of months between two dates, each represented as the |
| number of days since the epoch.</div> |
| </td> |
| </tr> |
| <tr id="i23" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#subtractMonths(long,long)">subtractMonths</a></span>​(long t0, |
| long t1)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i24" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#timestampStringToUnixDate(java.lang.String)">timestampStringToUnixDate</a></span>​(java.lang.String s)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i25" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#timeStringToUnixDate(java.lang.String)">timeStringToUnixDate</a></span>​(java.lang.String v)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i26" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#timeStringToUnixDate(java.lang.String,int)">timeStringToUnixDate</a></span>​(java.lang.String v, |
| int start)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i27" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixDateCeil(org.apache.calcite.avatica.util.TimeUnitRange,long)">unixDateCeil</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| long date)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i28" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixDateExtract(org.apache.calcite.avatica.util.TimeUnitRange,long)">unixDateExtract</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| long date)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i29" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixDateFloor(org.apache.calcite.avatica.util.TimeUnitRange,long)">unixDateFloor</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| long date)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i30" class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixDateToString(int)">unixDateToString</a></span>​(int date)</code></th> |
| <td class="colLast"> |
| <div class="block">Helper for CAST({date} AS VARCHAR(n)).</div> |
| </td> |
| </tr> |
| <tr id="i31" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimeExtract(org.apache.calcite.avatica.util.TimeUnitRange,int)">unixTimeExtract</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| int time)</code></th> |
| <td class="colLast"> |
| <div class="block">Extracts a time unit from a time value (milliseconds since midnight).</div> |
| </td> |
| </tr> |
| <tr id="i32" class="altColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimestamp(int,int,int,int,int,int)">unixTimestamp</a></span>​(int year, |
| int month, |
| int day, |
| int hour, |
| int minute, |
| int second)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i33" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimestampCeil(org.apache.calcite.avatica.util.TimeUnitRange,long)">unixTimestampCeil</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| long timestamp)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i34" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimestampExtract(org.apache.calcite.avatica.util.TimeUnitRange,long)">unixTimestampExtract</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| long timestamp)</code></th> |
| <td class="colLast"> |
| <div class="block">Extracts a time unit from a UNIX date (milliseconds since epoch).</div> |
| </td> |
| </tr> |
| <tr id="i35" class="rowColor"> |
| <td class="colFirst"><code>static long</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimestampFloor(org.apache.calcite.avatica.util.TimeUnitRange,long)">unixTimestampFloor</a></span>​(<a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| long timestamp)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i36" class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimestampToString(long)">unixTimestampToString</a></span>​(long timestamp)</code></th> |
| <td class="colLast"> |
| <div class="block">Helper for CAST({timestamp} AS VARCHAR(n)).</div> |
| </td> |
| </tr> |
| <tr id="i37" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimestampToString(long,int)">unixTimestampToString</a></span>​(long timestamp, |
| int precision)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i38" class="altColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimeToString(int)">unixTimeToString</a></span>​(int time)</code></th> |
| <td class="colLast"> |
| <div class="block">Helper for CAST({timestamp} AS VARCHAR(n)).</div> |
| </td> |
| </tr> |
| <tr id="i39" class="rowColor"> |
| <td class="colFirst"><code>static java.lang.String</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#unixTimeToString(int,int)">unixTimeToString</a></span>​(int time, |
| int precision)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i40" class="altColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ymdToJulian(int,int,int)">ymdToJulian</a></span>​(int year, |
| int month, |
| int day)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| <tr id="i41" class="rowColor"> |
| <td class="colFirst"><code>static int</code></td> |
| <th class="colSecond" scope="row"><code><span class="memberNameLink"><a href="#ymdToUnixDate(int,int,int)">ymdToUnixDate</a></span>​(int year, |
| int month, |
| int day)</code></th> |
| <td class="colLast"> </td> |
| </tr> |
| </table> |
| <ul class="blockList"> |
| <li class="blockList"><a id="methods.inherited.from.class.java.lang.Object"> |
| <!-- --> |
| </a> |
| <h3>Methods inherited from class java.lang.Object</h3> |
| <code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li> |
| </ul> |
| </li> |
| </ul> |
| </section> |
| </li> |
| </ul> |
| </div> |
| <div class="details"> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <!-- ============ FIELD DETAIL =========== --> |
| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="field.detail"> |
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| </a> |
| <h3>Field Detail</h3> |
| <a id="EPOCH_JULIAN"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>EPOCH_JULIAN</h4> |
| <pre>public static final int EPOCH_JULIAN</pre> |
| <div class="block">The julian date of the epoch, 1970-01-01.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.EPOCH_JULIAN">Constant Field Values</a></dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="DATE_FORMAT_STRING"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>DATE_FORMAT_STRING</h4> |
| <pre>public static final java.lang.String DATE_FORMAT_STRING</pre> |
| <div class="block">The SimpleDateFormat string for ISO dates, "yyyy-MM-dd".</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.DATE_FORMAT_STRING">Constant Field Values</a></dd> |
| </dl> |
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| <a id="TIME_FORMAT_STRING"> |
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| </a> |
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| <h4>TIME_FORMAT_STRING</h4> |
| <pre>public static final java.lang.String TIME_FORMAT_STRING</pre> |
| <div class="block">The SimpleDateFormat string for ISO times, "HH:mm:ss".</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.TIME_FORMAT_STRING">Constant Field Values</a></dd> |
| </dl> |
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| <a id="TIMESTAMP_FORMAT_STRING"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>TIMESTAMP_FORMAT_STRING</h4> |
| <pre>public static final java.lang.String TIMESTAMP_FORMAT_STRING</pre> |
| <div class="block">The SimpleDateFormat string for ISO timestamps, "yyyy-MM-dd HH:mm:ss".</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.TIMESTAMP_FORMAT_STRING">Constant Field Values</a></dd> |
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| </a> |
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| <h4>GMT_ZONE</h4> |
| <pre>@Deprecated |
| public static final java.util.TimeZone GMT_ZONE</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span> |
| <div class="deprecationComment">Use <a href="#UTC_ZONE"><code>UTC_ZONE</code></a></div> |
| </div> |
| <div class="block">The GMT time zone.</div> |
| </li> |
| </ul> |
| <a id="UTC_ZONE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>UTC_ZONE</h4> |
| <pre>public static final java.util.TimeZone UTC_ZONE</pre> |
| <div class="block">The UTC time zone.</div> |
| </li> |
| </ul> |
| <a id="DEFAULT_ZONE"> |
| <!-- --> |
| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>DEFAULT_ZONE</h4> |
| <pre>public static final java.util.TimeZone DEFAULT_ZONE</pre> |
| <div class="block">The Java default time zone.</div> |
| </li> |
| </ul> |
| <a id="MILLIS_PER_SECOND"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>MILLIS_PER_SECOND</h4> |
| <pre>public static final long MILLIS_PER_SECOND</pre> |
| <div class="block">The number of milliseconds in a second.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.MILLIS_PER_SECOND">Constant Field Values</a></dd> |
| </dl> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>MILLIS_PER_MINUTE</h4> |
| <pre>public static final long MILLIS_PER_MINUTE</pre> |
| <div class="block">The number of milliseconds in a minute.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.MILLIS_PER_MINUTE">Constant Field Values</a></dd> |
| </dl> |
| </li> |
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| <a id="MILLIS_PER_HOUR"> |
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| </a> |
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| <h4>MILLIS_PER_HOUR</h4> |
| <pre>public static final long MILLIS_PER_HOUR</pre> |
| <div class="block">The number of milliseconds in an hour.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.MILLIS_PER_HOUR">Constant Field Values</a></dd> |
| </dl> |
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| <a id="MILLIS_PER_DAY"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>MILLIS_PER_DAY</h4> |
| <pre>public static final long MILLIS_PER_DAY</pre> |
| <div class="block">The number of milliseconds in a day. |
| |
| <p>This is the modulo 'mask' used when converting |
| TIMESTAMP values to DATE and TIME values.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.MILLIS_PER_DAY">Constant Field Values</a></dd> |
| </dl> |
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| <a id="SECONDS_PER_DAY"> |
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| <li class="blockList"> |
| <h4>SECONDS_PER_DAY</h4> |
| <pre>public static final long SECONDS_PER_DAY</pre> |
| <div class="block">The number of seconds in a day.</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../../constant-values.html#org.apache.calcite.avatica.util.DateTimeUtils.SECONDS_PER_DAY">Constant Field Values</a></dd> |
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| <a id="ZERO_CALENDAR"> |
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| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>ZERO_CALENDAR</h4> |
| <pre>public static final java.util.Calendar ZERO_CALENDAR</pre> |
| <div class="block">Calendar set to the epoch (1970-01-01 00:00:00 UTC). Useful for |
| initializing other values. Calendars are not immutable, so be careful not |
| to screw up this object for everyone else.</div> |
| </li> |
| </ul> |
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| <section role="region"> |
| <ul class="blockList"> |
| <li class="blockList"><a id="method.detail"> |
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| </a> |
| <h3>Method Detail</h3> |
| <a id="parseDateFormat(java.lang.String,java.lang.String,java.util.TimeZone)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>parseDateFormat</h4> |
| <pre class="methodSignature">@Deprecated |
| public static java.util.Calendar parseDateFormat​(java.lang.String s, |
| java.lang.String pattern, |
| java.util.TimeZone tz)</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </li> |
| </ul> |
| <a id="parseDateFormat(java.lang.String,java.text.DateFormat,java.util.TimeZone)"> |
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| </a> |
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| <h4>parseDateFormat</h4> |
| <pre class="methodSignature">public static java.util.Calendar parseDateFormat​(java.lang.String s, |
| java.text.DateFormat dateFormat, |
| java.util.TimeZone tz)</pre> |
| <div class="block">Parses a string using <code>SimpleDateFormat</code> and a given pattern. The |
| entire string must match the pattern specified.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - string to be parsed</dd> |
| <dd><code>dateFormat</code> - Date format</dd> |
| <dd><code>tz</code> - time zone in which to interpret string. Defaults to the Java |
| default time zone</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a Calendar initialized with the parsed value, or null if parsing |
| failed. If returned, the Calendar is configured to the UTC time zone.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="parsePrecisionDateTimeLiteral(java.lang.String,java.lang.String,java.util.TimeZone)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>parsePrecisionDateTimeLiteral</h4> |
| <pre class="methodSignature">@Deprecated |
| public static <a href="DateTimeUtils.PrecisionTime.html" title="class in org.apache.calcite.avatica.util">DateTimeUtils.PrecisionTime</a> parsePrecisionDateTimeLiteral​(java.lang.String s, |
| java.lang.String pattern, |
| java.util.TimeZone tz)</pre> |
| <div class="deprecationBlock"><span class="deprecatedLabel">Deprecated.</span></div> |
| </li> |
| </ul> |
| <a id="parsePrecisionDateTimeLiteral(java.lang.String,java.text.DateFormat,java.util.TimeZone,int)"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>parsePrecisionDateTimeLiteral</h4> |
| <pre class="methodSignature">public static <a href="DateTimeUtils.PrecisionTime.html" title="class in org.apache.calcite.avatica.util">DateTimeUtils.PrecisionTime</a> parsePrecisionDateTimeLiteral​(java.lang.String s, |
| java.text.DateFormat dateFormat, |
| java.util.TimeZone tz, |
| int maxPrecision)</pre> |
| <div class="block">Parses a string using <code>SimpleDateFormat</code> and a given pattern, and |
| if present, parses a fractional seconds component. The fractional seconds |
| component must begin with a decimal point ('.') followed by numeric |
| digits. The precision is rounded to a maximum of 3 digits of fractional |
| seconds precision (to obtain milliseconds).</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>s</code> - string to be parsed</dd> |
| <dd><code>dateFormat</code> - Date format</dd> |
| <dd><code>tz</code> - time zone in which to interpret string. Defaults to the |
| local time zone</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a <a href="DateTimeUtils.PrecisionTime.html" title="class in org.apache.calcite.avatica.util"><code>PrecisionTime</code></a> initialized |
| with the parsed value, or null if parsing failed. The PrecisionTime |
| contains a GMT Calendar and a precision.</dd> |
| </dl> |
| </li> |
| </ul> |
| <a id="getTimeZone(java.util.Calendar)"> |
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| </a> |
| <ul class="blockList"> |
| <li class="blockList"> |
| <h4>getTimeZone</h4> |
| <pre class="methodSignature">public static java.util.TimeZone getTimeZone​(java.util.Calendar cal)</pre> |
| <div class="block">Gets the active time zone based on a Calendar argument</div> |
| </li> |
| </ul> |
| <a id="checkDateFormat(java.lang.String)"> |
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| <h4>checkDateFormat</h4> |
| <pre class="methodSignature">public static void checkDateFormat​(java.lang.String pattern)</pre> |
| <div class="block">Checks if the date/time format is valid</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>pattern</code> - <code>SimpleDateFormat</code> pattern</dd> |
| <dt><span class="throwsLabel">Throws:</span></dt> |
| <dd><code>java.lang.IllegalArgumentException</code> - if the given pattern is invalid</dd> |
| </dl> |
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| <h4>newDateFormat</h4> |
| <pre class="methodSignature">public static java.text.SimpleDateFormat newDateFormat​(java.lang.String format)</pre> |
| <div class="block">Creates a new date formatter with Farrago specific options. Farrago |
| parsing is strict and does not allow values such as day 0, month 13, etc.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>format</code> - <code>SimpleDateFormat</code> pattern</dd> |
| </dl> |
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| <h4>unixTimestampToString</h4> |
| <pre class="methodSignature">public static java.lang.String unixTimestampToString​(long timestamp)</pre> |
| <div class="block">Helper for CAST({timestamp} AS VARCHAR(n)).</div> |
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| <pre class="methodSignature">public static java.lang.String unixTimestampToString​(long timestamp, |
| int precision)</pre> |
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| <pre class="methodSignature">public static java.lang.String unixTimeToString​(int time)</pre> |
| <div class="block">Helper for CAST({timestamp} AS VARCHAR(n)).</div> |
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| <pre class="methodSignature">public static java.lang.String unixDateToString​(int date)</pre> |
| <div class="block">Helper for CAST({date} AS VARCHAR(n)).</div> |
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| <a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range)</pre> |
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| <div class="block">Cheap, unsafe, long power. power(2, 3) returns 8.</div> |
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| <a href="TimeUnitRange.html" title="enum in org.apache.calcite.avatica.util">TimeUnitRange</a> range, |
| int scale)</pre> |
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| long date)</pre> |
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| long timestamp)</pre> |
| <div class="block">Extracts a time unit from a UNIX date (milliseconds since epoch).</div> |
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| int time)</pre> |
| <div class="block">Extracts a time unit from a time value (milliseconds since midnight).</div> |
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| long timestamp)</pre> |
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| long timestamp)</pre> |
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| int second)</pre> |
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| of milliseconds since the epoch.</div> |
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| <div class="block">Adds a given number of months to a date, represented as the number of |
| days since the epoch.</div> |
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| <div class="block">Finds the number of months between two dates, each represented as the |
| number of days since the epoch.</div> |
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| <div class="block">Creates an instance of <code>Calendar</code> in the root locale and UTC time |
| zone.</div> |
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